Datasheet ADuM6000 Datasheet (ANALOG DEVICES)

Isolated, 5 kV, DC-to-DC Converter

Data Sheet

FEATURES

isoPower integrated, isolated dc-to-dc converter
Regulated 5 V or 3.3 V output
Up to 400 mW output power
16-lead SOIC wide-body package (RW-16)
16-lead SOIC wide-body package with enhanced

creepage (RI-16-1)
High temperature operation: 105°C maximum
High common-mode transient immunity: >25 kV/μs
Thermal overload protection

Safety and regulatory approvals

UL recognition

5000 V rms for 1 minute per UL 1577

CSA Component Acceptance Notice #5A (pending)

IEC 60601-1: 250 V rms, 8 mm package (RI-16-1)
IEC 60950-1: 400 V rms, 8 mm package (RI-16-1)

VDE certificate of conformity (RW-16) (pending)

IEC 60747-5-2 (VDE 0884 Part 2):2003-01
V

= 846 V peak

IORM

VDE certificate of conformity (RI-16-1)

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V

= 846 V peak

IORM

APPLICATIONS

USB peripheral power
RS-232/RS-422/RS-485 transceiver power
Industrial field bus power
Industrial PLCs

FUNCTIONAL BLOCK DIAGRAM

ADuM6000

GENERAL DESCRIPTION

The ADuM60001 is an isolated dc-to-dc converter based on the
Analog Devices, Inc., iCoupler® technology. The dc-to-dc converter
in this device provides regulated, isolated power in several combi­nations of input and output voltages as listed in Table 1.

The Analog Devices chip scale transformer iCoupler technology
transfers isolated power in this dc-to-dc converter with up to
31% efficiency. The result is a small form factor, total isolation
solution.

Higher output power levels are obtained by using the ADuM6000
to augment the power output of the ADuM5401, ADuM5402,

ADuM5403, ADuM5404, ADuM520x, and ADuM620x iCouplers

with isoPower®.
isoPower uses high frequency switching elements to transfer

power through its transformer. Special care must be taken
during printed circuit board (PCB) layout to meet emissions
standards. See the AN-0971 Application Note for board layout
recommendations.

Table 1. Power Levels

Input Voltage Output Voltage Output Power

5 V 5 V 400 mW
5 V 3.3 V 330 mW

3.3 V 3.3 V 132 mW

1

1

IN

1

2

3

4

5

6

7

8

OSCILLATOR

RECTIFIER REGULATOR

ADuM6000

RC

RC

V

GND

RC

V

GND

DD1

NC

OUT

SEL

DD1

Figure 1.

1

Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329; other patents pending.

Rev. C

Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: [phone] www.analog.com
Fax: [phone] ©2010–2012 Analog Devices, Inc. All rights reserved.

16

V

ISO

GND

15

ISO

14

NC

13

V

SEL

12

NC

11

NC

10

V

ISO

9

GND

ISO

8624-001

ADuM6000 Data Sheet

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications ..................................................................................... 3

Electrical Characteristics—5 V Primary Input Supply/

5 V Secondary Isolated Supply ................................................... 3

Electrical Characteristics—3.3 V Primary Input Supply/

3.3 V Secondary Isolated Supply ................................................ 3

Electrical Characteristics—5 V Primary Input Supply/

3.3 V Secondary Isolated Supply ................................................ 4

Package Characteristics ............................................................... 4

Regulatory Information ............................................................... 5

Insulation and Safety-Related Specifications ............................ 5

DIN V VDE V 0884-10 (VDE V 0884-10) and IEC 60747-5-2

(VDE 0884 Part 2):2003-01 Insulation Characteristics ........... 6

Recommended Operating Conditions .......................................7

Absolute Maximum Ratings ............................................................8

ESD Caution...................................................................................8

Pin Configuration and Function Descriptions ..............................9

Typical Performance Characteristics ........................................... 10

Applications Information .............................................................. 12

PCB Layout ................................................................................. 12

Start-Up Behavior....................................................................... 12

EMI Considerations ................................................................... 13

Thermal Analysis ....................................................................... 13

Current Limit and Thermal Overload Protection ................. 13

Power Considerations ................................................................ 13

Increasing Available Power ....................................................... 14

Insulation Lifetime ..................................................................... 15

Outline Dimensions ....................................................................... 16

Ordering Guide .......................................................................... 16

REVISION HISTORY

5/12—Rev. B to Rev. C

Created Hyperlink for Safety and Regulatory Approvals

Entry in Features Section ................................................................. 1

Changes to Ordering Guide .......................................................... 16

9/11—Rev. A to Rev. B

Change to Features Section ............................................................. 1

Changes to Table 6 ............................................................................ 5

9/11—Rev. 0 to Rev. A

Changes to Features and Applications Sections ........................... 1

Changes to Table 6 and Table 7 ....................................................... 5

Changes to DIN V VDE V 0844-10 (VDE V 0884-10) and
IEC 60747-5-2 (VDE 0884 Part 2):2003-01 Insulation

Characteristics Section ..................................................................... 6

Changes to Table 1 1 .......................................................................... 8

Updated Outline Dimensions ....................................................... 16

Changes to Ordering Guide .......................................................... 16

10/10—Revision 0: Initial Version

Rev. C | Page 2 of 16

Data Sheet ADuM6000

Setpoint

V

ISO

4.7

5.0

5.4 V I

ISO

= 0 mA

ISO(LINE)

ISO

DD1

ISO(LOAD)

ISO

ISO

ISO(N)

ISO

OSC

PWM

DD1

ISO

DD1(M AX)

ISO(MAX)

ISO

DD1

ISO

DD1(Q)

ISO

UV+

UV−

UVH

DC-TO-DC CONVERTER POWER SUPPLY

ISO

ISO

ISO(LINE)

ISO

DD1

ISO(LOAD)

ISO

ISO

ISO(N)

ISO

OSC

PWM

DD1

ISO

DD1(M AX)

ISO(MAX)

ISO

Efficiency at Maximum Output

31 %

I

= 40 mA

DD1

ISO

DD1(Q)

ISO

UV+

Negative-Going Threshold

V

UV−

2.4 V

UVH

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY

4.5 V ≤ V
recommended operating range, unless otherwise noted. Typical specifications are at T

Table 2.

Parameter Symbol Min Typ Max Unit Test Conditions/Comments

DC-TO-DC CONVERTER POWER SUPPLY

≤ 5.5 V, V

DD1

SEL

= V

; each voltage is relative to its respective ground. Minimum/maximum specifications apply over the entire

ISO

= 25°C, V

A

= 5.0 V, V

DD1

= 5.0 V, and V

ISO

SEL

= V

ISO

.

Line Regulation V

Load Regulation V

Output Ripple V

Output Noise V

Switching Frequency f

PWM Frequency f

I

Supply Current, Full V

Load I
Maximum Output Supply Current I
Efficiency at Maximum Output

1 mV/V I

1 5 % I

75 mV p-p 20 MHz bandwidth, CBO = 0.1 μF||10 μF,

ISO(RIP)

200 mV p-p CBO = 0.1 μF||10 μF, I

= 40 mA, V
= 8 mA to 72 mA

I

= 72 mA

= 4.5 V to 5.5 V

= 72 mA

180 MHz

625 kHz

290 mA

80 mA V

31 % I

> 4.5 V

= 80 mA

ISO

Supply Current

I

Supply Current, No V

Undervoltage Lockout, V

Load I

and V

DD1

ISO

7 16 mA I

UVLO

= 0 mA

Supplies
Positive-Going Threshold V
Negative-Going Threshold V
Hysteresis V

2.7 V

2.4 V

0.3 V

ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY

3.0 V ≤ V
recommended operating range, unless otherwise noted. Typical specifications are at T

Table 3.

Parameter Symbol Min Typ Max Unit Test Conditions/Comments

≤ 3.6 V, V

DD1

= GND

SEL

; each voltage is relative to its respective ground. Minimum/maximum specifications apply over the entire

ISO

= 25°C, V

A

= 3.3 V, V

DD1

= 3.3 V, and V

ISO

= GND

SEL

ISO

.

Setpoint V
Line Regulation V
Load Regulation V
Output Ripple V

Output Noise V
Switching Frequency f
PWM Frequency f
I

Supply Current, Full V

Maximum Output Supply Current I

Supply Current

I

Supply Current, No V

Undervoltage Lockout, V

Supplies
Positive-Going Threshold V

Hysteresis V

Load I

Load I

and V

DD1

ISO

3.0 3.3 3.6 V I
1 mV/V I

1 5 % I

50 mV p-p 20 MHz bandwidth, CBO = 0.1 μF||10 μF,

ISO(RIP)

130 mV p-p CBO = 0.1 μF||10 μF, I

180 MHz

625 kHz

175 mA

40 mA V

5 13 mA I

UVLO

2.7 V

0.3 V

Rev. C | Page 3 of 16

= 0 mA
= 20 mA, V
= 4 mA to 36 mA

I

= 36 mA

> 3.0 V

ISO

= 0 mA

= 3.0 V to 3.6 V

= 36 mA

ADuM6000 Data Sheet

ISO

ISO

ISO(LINE )

ISO

DD1

ISO(LOAD )

ISO

ISO

ISO(N)

ISO

OSC

PWM

DD1

ISO

DD1(M AX)

ISO(MAX)

ISO

DD1

ISO

DD1(Q)

ISO

UV+

UV−

UVH

I-O

I-O

SD-HYS

ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY

4.5 V ≤ V
recommended operating range, unless otherwise noted. Typical specifications are at T

Table 4.

Parameter Symbol Min Typ Max Unit Test Conditions/Comments

DC-TO-DC CONVERTER POWER SUPPLY

Setpoint V
Line Regulation V
Load Regulation V
Output Ripple V

Output Noise V
Switching Frequency f
PWM Frequency f
I

I
Undervoltage Lockout, V

≤ 5.5 V, V

DD1

Supply Current, Full V

= GND

SEL

, each voltage is relative to its respective ground. Minimum/maximum specifications apply over the entire

ISO

Load I
Maximum Output Supply Current I
Efficiency at Maximum Output

Supply Current

Supply Current, No V

Load I

and V

DD1

ISO

Supplies
Positive-Going Threshold V
Negative-Going Threshold V
Hysteresis V

= 25°C, V

A

3.0 3.3 3.6 V I
1 mV/V I

1 5 % I

50 mV p-p 20 MHz bandwidth, CBO = 0.1 μF||10 μF,

ISO(RIP)

130 mV p-p CBO = 0.1 μF||10 μF, I

= 5.0 V, V

DD1

= 0 mA
= 50 mA, V
= 10 mA to 90 mA

I

= 90 mA

= 3.3 V, and V

ISO

= 4.5 V to 5.5 V

= 90 mA

180 MHz

625 kHz

250 mA

100 mA V

26 % I

4 12 mA I

> 3.0 V

= 100 mA

ISO

= 0 mA

UVLO

2.7 V

2.4 V

0.3 V

= GND

SEL

ISO

.

PACKAGE CHARACTERISTICS

Table 5.

Parameter Symbol Min Ty p Max Unit Test Conditions/Comments

RESISTANCE AND CAPACITANCE

Resistance (Input-to-Output)1 R
Capacitance (Input-to-Output)1 C
Input Capacitance2 CI 4.0 pF
IC Junction-to-Ambient Thermal

Resistance

THERMAL SHUTDOWN

Thermal Shutdown Threshold TSSD 150 °C TJ rising
Thermal Shutdown Hysteresis TS

1

This device is considered a 2-terminal device; Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.

2

Input capacitance is from any input data pin to ground.

3

Refer to the Thermal Analysis section for thermal model definitions.

1012 Ω

2.2 pF f = 1 MHz

θJA 45 °C/W Thermocouple is located at the center of

the package underside; test conducted
on a 4-layer board with thin traces

20 °C

3

Rev. C | Page 4 of 16

Data Sheet ADuM6000

REGULATORY INFORMATION

The ADuM6000 is approved by the organizations listed in Table 6. Refer to Table 11 and the Insulation Lifetime section for more
information about the recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.

Table 6.

UL1 CSA VDE2

Recognized under UL 1577
component recognition
program

Single protection, 5000 V rms
isolation voltage

RW-16 package:

RI-16-1 package (pending):

File E214100 File 205078 File 2471900-4880-0001

1

In accordance with UL 1577, each ADuM6000 is proof-tested by applying an insulation test voltage ≥ 6000 V rms for 1 sec (current leakage detection limit = 15 μA).

2

In accordance with IEC 60747-5-2 (VDE 0884 Part 2):2003-01, each ADuM6000 is proof-tested by applying an insulation test voltage ≥ 1590 V peak for 1 sec (partial

discharge detection limit = 5 pC). The asterisk (*) marking branded on the component designates IEC 60747-5-2 (VDE 0884 Part 2):2003-01 approval.

3

In accordance with DIN V VDE V 0884-10, each ADuM6000 is proof-tested by applying an insulation test voltage ≥1050 V peak for 1 sec (partial discharge detection

limit = 5 pC). The asterisk (*) marking branded on the component designates DIN V VDE V 0884-10 approval.

INSULATION AND SAFETY-RELATED SPECIFICATIONS

Approved under CSA Component Acceptance Notice #5A RI-16-1 package:

Certified according to DIN V VDE V
0884-10 (VDE V 0884-10):2006-12

Reinforced insulation, 846 V peak

Basic insulation per CSA 60950-1-07 and IEC 60950-1, 600 V rms
(848 V peak) maximum working voltage

RW-16 package (pending):
Certified according to IEC 60747-5-2

(VDE 0884 Part 2):2003-01
Basic insulation, 846 V peak

Reinforced insulation per CSA 60950-1-07 and IEC 60950-1, 380 V rms
(537 V peak) maximum working voltage
Reinforced insulation per IEC 60601-1, 125 V rms (176 V peak)
maximum working voltage

Reinforced insulation per CSA 60950-1-07 and IEC 60950-1, 400 V rms
(565 V peak) maximum working voltage
Reinforced insulation per IEC 60601-1, 250 V rms (353 V peak)
maximum working voltage

3

Table 7.

Parameter Symbol Value Unit Test Conditions/Comments

Rated Dielectric Insulation Voltage 5000 V rms 1-minute duration
Minimum External Air Gap (Clearance) L(I01) 8.0 mm

Measured from input terminals to output terminals,
shortest distance through air

Minimum External Tracking (Creepage) RW-16
Package

Minimum External Tracking (Creepage) RI-16-1
Package

L(I02) 7.6 mm

L(I02) 8.3 min mm

Measured from input terminals to output terminals,
shortest distance path along body

Measured from input terminals to output terminals,

shortest distance path along body
Minimum Internal Distance (Internal Clearance) 0.017 min mm Distance through insulation
Tracking Resistance (Comparative Tracking Index) CTI >175 V DIN IEC 112/VDE 0303, Part 1
Material Group IIIa Material Group (DIN VDE 0110, 1/89, Table 1)

Rev. C | Page 5 of 16

ADuM6000 Data Sheet

DIN V VDE V 0884-10 (VDE V 0884-10) AND IEC 60747-5-2 (VDE 0884 PART 2):2003-01 INSULATION CHARACTERISTICS

This power module is suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured
by protective circuits. The asterisk (*) marking branded on the component designates DIN V VDE V 0884-10 (VDE V 0884-10) or
IEC 60747-5-2 (VDE 0884 Part 2):2003-01 approval.

Table 8.

Description Conditions Symbol Characteristic Unit

Installation Classification per DIN VDE 0110

For Rated Mains Voltage ≤ 150 V rms I to IV
For Rated Mains Voltage ≤ 300 V rms I to II

For Rated Mains Voltage ≤ 400 V rms I to II
Climatic Classification 40/105/21
Pollution Degree per DIN VDE 0110, Table 1 2
Maximum Working Insulation Voltage V
Input-to-Output Test Voltage, Method b1

× 1.875 = V

V

IORM

= tm = 1 sec, partial discharge < 5 pC

t

ini

, 100% production test,

pd(m)

Input-to-Output Test Voltage, Method a

After Environmental Tests Subgroup 1

V

IORM

× 1.5 = V

, t

= 60 sec, tm = 10 sec,

pd(m)

ini

partial discharge < 5 pC

After Input and/or Safety Tests

Subgroup 2 and Subgroup 3

V

× 1.2 = V

IORM

, t

= 60 sec, tm = 10 sec,

pd(m)

ini

partial discharge < 5 pC
Highest Allowable Overvoltage V
Withstand Isolation Voltage 1 minute withstand rating V
Surge Isolation Voltage, RI-16-1 Package V peak = 10 kV, 1.2 μs rise time, 50 μs, 50% fall time V
Surge Isolation Voltage, RW-16 Package V peak = 6 kV, 1.2 μs rise time, 50 μs, 50% fall time V
Safety-Limiting Values

Maximum value allowed in the event of a failure

(see Figure 2)

Case Temperature TS 150 °C
Side 1 I

Insulation Resistance at TS V

Current IS1 555 mA

DD1

= 500 V RS >109 Ω

IO

846 V peak

IORM

1590 V peak

V

pd(m)

1269 V peak

V

pd(m)

V

1818 V peak

pd(m)

6000 V peak

IOTM

5000 V

ISO

6000 V peak

IOSM

6000 V peak

IOSM

RMS

Thermal Derating Curve

Figure 2. Thermal Derating Curve, Dependence of Safety-Limiting Values on Case Temperature, per DIN EN 60747-5-2

600

500

400

CURRENT (mA)

DD1

300

200

100

SAFE OPERATING V

0

0 50 100 150 200

AMBIENT TEMPERATURE (°C)

Rev. C | Page 6 of 16

08624-002

Data Sheet ADuM6000

TEMPERATURE

DD1

SEL

DD1

DD1

SEL

ISO

DD1

RECOMMENDED OPERATING CONDITIONS

Table 9.

Parameter Symbol Min Max Unit Test Conditions/Comments

Operating Temperature TA −40 +105 °C Operation at 105°C requires reduction of the

maximum load current, as specified in Table 10

SUPPLY VOLTAGES Each voltage is relative to its respective ground

V

@ V

= 0 V V

V

@ V

= V

V

3.0 5.5 V

4.5 5.5 V

Rev. C | Page 7 of 16

ADuM6000 Data Sheet

DD1

ISO

SEL

1, 2

DDI

OUT

DDO

ISO

Common-Mode Transients4

−100 kV/µs to +100 kV/µs

ABSOLUTE MAXIMUM RATINGS

TA = 25°C, unless otherwise noted.

Table 10.

Parameter Rating

Storage Temperature (TST) −55°C to +150°C
Ambient Operating Temperature (TA) −40°C to +105°C
Supply Voltages (V
Input Voltage (RCIN, RC
Output Voltage (RC
Average Total Output Current (I

1

Each voltage is relative to its respective ground.

2

V

and V

DDI

a given channel, respectively. See the PCB Layout section.

3

See Figure 2 for maximum rated current values for various temperatures.

4

Refers to common-mode transients across the isolation barrier. Common-

mode transients exceeding the absolute maximum ratings may cause
latch-up or permanent damage.

refer to the supply voltages on the input and output sides of

DDO

, V

)1 −0.5 V to +7.0 V

)

−0.5 V to V

1, 2

)

−0.5 V to V
)3 80 mA

+ 0.5 V

+ 0.5 V

1

Table 11. Maximum Continuous Working Voltage

Parameter Max Unit Applicable Certification

AC Voltage, Bipolar Waveform 424 V peak All certifications, 50-year operation
AC Voltage, Unipolar Waveform

Basic Insulation 600 V peak
Reinforced Insulation 565 V peak Working voltage per IEC 60950-1

DC Voltage

Basic Insulation 600 V peak
Reinforced Insulation 565 V peak Working voltage per IEC 60950-1

1

Refers to the continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more information.

Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.

ESD CAUTION

Rev. C | Page 8 of 16

Data Sheet ADuM6000

V

DD1

1

GND

1

2

NC

3

RC

IN

4

V

ISO

16

GND

ISO

15

NC

14

V

SEL

13

RC

OUT

5

NC

12

RC

SEL

6

NC

NC = NO CONNECT

11

V

DD1

7

V

ISO

10

GND

1

8

GND

ISO

9

ADuM6000

TOP VIEW

(Not to S cale)

08624-003

1, 7

V

Primary Supply Voltage, 3.0 V to 5.5 V. Pin 1 and Pin 7 are internally connected to each other, and it is
L

RC

OUT(EX T)

RCIN X X2

X

OUT(EXT )

iso

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

Figure 3. Pin Configuration

Table 12. Pin Function Descriptions

Pin No. Mnemonic Description

DD1

recommended that both pins be externally connected to a common power source.

2, 8 GND1 Ground Reference for the Primary Side of the Converter. Pin 2 and Pin 8 are internally connected to each

other, and it is recommended that both pins be connected to a common ground.
3, 11, 12, 14 NC No Internal Connection.
4 RCIN Regulation Control Input. In slave power configuration (RC

master isoPower device, or it is tied low to disable the converter. In master or standalone mode (RC

low), this pin is connected to the RC

SEL

pin of a

OUT

SEL

high),
this pin has no function. This pin is weakly pulled to the low state. In noisy environments, it should be tied low
or tied to a PWM control source. This pin must not be tied high if RC

is low; this combination causes excessive

SEL

voltage on the secondary side of the converter, damaging the ADuM6000 and possibly the devices that it powers.

5 RC

Regulation Control Output. In master power configuration (RC

OUT

high), this pin is connected to the RCIN pin of

SEL

a slave isoPower device to allow the ADuM6000 to regulate additional devices.

6 RC

Control Input. Sets either standalone/master mode (RC

SEL

high) or slave mode (RC

SEL

low). This pin is weakly

SEL

pulled to the high state. In noisy environments, tie this pin either high or low.

9, 15 GND

Ground Reference for the Secondary Side of the Converter. Pin 9 and Pin 15 are internally connected to each

ISO

other, and it is recommended that both pins be connected to a common ground.

10, 16 V

Secondary Supply Voltage Output for External Loads. 3.3 V ( V

ISO

low) or 5.0 V (V

SEL

high). The 5.0 V output

SEL

functionality is not guaranteed for a 3.3 V primary supply input. Pin 10 and Pin 16 are internally connected
to each other, and it is recommended that both pins be externally connected.

13 V

Output Voltage Selection. When V

SEL

= V

, the V

SEL

ISO

setpoint is 5.0 V. When V

ISO

= GND

SEL

ISO

, the V

ISO

setpoint is 3.3 V.
This pin is weakly pulled to the high state. In noisy environments, tie this pin either high or low. In slave mode,
this pin has no function.

Table 13. Truth Table (Positive Logic)

RC

SEL

Input

RCIN
Input

RC

OUT

Output

V

SEL

Input

V

DD1

Input

V

ISO

Output

Operation

H X PWM1 H 5.0 V 5.0 V Master mode operation, self regulating.
H X PWM1 L 5.0 V 3.3 V Master mode operation, self regulating.
H X PWM1 H 3.3 V 5.0 V This configuration is not recommended due to poor efficiency.
H X PWM1 L 3.3 V 3.3 V Master mode operation, self regulating.

Slave mode, RC
L L L X X 0 V Low power mode, converter disabled.
L H H X X X This combination of RCIN and RC

secondary side of the converter due to excess output voltage at V

RC

must be low, or it must be connected to a PWM signal from a

IN

1

PWM refers to the regulation control signal. This signal is derived from the secondary side regulator or from the RCIN input, depending on the value of RC

2

V

DD1

must be common between all isoPower devices being regulated by a master isoPower part.

master isoPower part.

Rev. C | Page 9 of 16

supplied by a master

is prohibited. Damage occurs on the

SEL

Power device.

.

ISO

.

SEL

ADuM6000 Data Sheet

08624-004

0

5

10

15

20

25

30

35

0 20 40 60 80 100 120

EFFICIENCY (%)

I

ISO

CURRENT (mA)

5.0V INPUT /5.0V OUTP UT

5.0V INPUT /3.3V OUTP UT

3.3V INPUT /3.3V OUTP UT

120

100

80

60

40

20

0

0 50 100 150 200 250 300

I

DD1

CURRENT (mA)

I

ISO

CURRENT (mA)

08624-005

5.0V INPUT /5.0V OUTP UT

5.0V INPUT /3.3V OUTP UT

3.3V INPUT /3.3V OUTP UT

I

ISO

CURRENT (mA)

TOTAL POWER DISSIPATION (mW)

08624-122

0

100

200

400

600

800

300

500

700

900

1000

0 20 40 60 80 100 120

5.0V INPUT /5.0V OUTP UT

5.0V INPUT /3.3V OUTP UT

3.3V INPUT /3.3V OUTP UT

0

0.5

1.0

1.5

2.0

3.0

2.5

3.5

0

0.5

1.0

1.5

2.0

3.0

2.5

3.5

3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT SUPPLY VOLTAGE

(V)

INPUT CURRENT ( A)

POWER (W)

POWER

I

DD1

08624-006

TIME (ms)

0

40

4.6

4.8

5.0

5.2

5.4

20

0

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

V

ISO

(V)

I

ISO

(mA)

08624-007

10% LOAD

90% LOAD

10% LOAD

TIME (ms)

0

40

60

3.1

3.3

3.5

3.7

20

0

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

V

ISO

(V)

I

ISO

(mA)

08624-008

10% LOAD

90% LOAD

10% LOAD

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 4. Typical Power Supply Efficiency

in All Supported Power Configurations

Figure 5. Typical Isolated Output Supply Current vs. Input Current

in All Supported Power Configurations

Figure 7. Typical Short-Circuit Input Current and Power

vs. V

Supply Voltage

DD1

Figure 8. Typical V

Transient Load Response, 5 V Output,

ISO

10% to 90% Load Step

Figure 6. Typical Total Power Dissipation vs. Isolated Output Supply Current

in All Supported Power Configurations

Figure 9. Typical V

Transient Load Response, 3.3 V Output,

ISO

10% to 90% Load Step

Rev. C | Page 10 of 16

Data Sheet ADuM6000

TIME (µs)

RC

OUT

(V)

V

ISO

(V)

5.02

5.00

4.98

4.96

4.94

4.92

4.90

5.0

2.5

0

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

08624-009

TIME (µs)

RC

OUT

(V)

V

ISO

(V)

3.34

3.30

3.32

3.28

3.26

3.24
4

2

08624-010

0

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

0

1

2

3

4

5

6

7

–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0

V

ISO

(V)

TIME (ms)

90% LOAD
10% LOAD

08624-012

0

1

2

3

4

5

–1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 3.0

V

ISO

(V)

Time (ms)

90% LOAD
10% LOAD

08624-013

Figure 10. Typical Output Voltage Ripple at 90% Load, V

Figure 11. Typical Output Voltage Ripple at 90% Load, V

ISO

= 3.3 V

ISO

= 5 V

Figure 12. Typical Output Voltage Start-Up Transient

at 10% and 90% Load, V

ISO

= 5 V

Figure 13. Typical Output Voltage Start-Up Transient

at 10% and 90% Load, V

= 3.3 V

ISO

Rev. C | Page 11 of 16

V

DD1

GND

1

NC

RC

IN

V

ISO

GND

ISO

NC

NC
NC

V

SEL

RC

OUT

RC

SEL

V

DD1

V

ISO

GND

1

GND

ISO

08624-011

ADuM6000 Data Sheet

APPLICATIONS INFORMATION

The dc-to-dc converter section of the ADuM6000 works on
principles that are common to most switching power supplies. It
has a secondary side controller architecture with isolated pulse­width modulation (PWM) feedback. V

power is supplied to

DD1

an oscillating circuit that switches current into a chip scale air
core transformer. Power transferred to the secondary side is
rectified and regulated to either 3.3 V or 5 V. The secondary
(V

) side controller regulates the output by creating a PWM

ISO

control signal that is sent to the primary (V

) side by a dedicated

DD1

iCoupler data channel. The PWM modulates the oscillator
circuit to control the power being sent to the secondary side.
Feedback allows for significantly higher power and efficiency.

The ADuM6000 provides a regulation control output (RC
signal that can be connected to other isoPower devices. This
feature allows a single regulator to control multiple power mod­ules without contention. When auxiliary power modules are
present, the V

pins can be connected together to work as a

ISO

single supply. Because there is only one feedback control path,
the supplies work together seamlessly. The ADuM6000 can be
a source of regulation control (master mode), and it can also be
controlled by another isoPower device (slave mode).

The ADuM6000 implements undervoltage lockout (UVLO)
with hysteresis in the V

input protection circuitry. When the

DD1

input voltage rises above the UVLO threshold, the dc-to-dc
converter becomes active. The input voltage must be decreased
below the turn-on threshold by the hysteresis value to disable
the converter. This feature has many benefits in the power-up
sequence of the converter. For example, UVLO ensures that the
system supply rises to a minimum level before the ADuM6000
demands current. Also, it prevents any voltage drop due to
converter current from turning the supply off and causing
oscillation.

PCB LAYOUT

The ADuM6000 digital isolator is a 0.4 W isoPower integrated
dc-to-dc converter that requires no external interface circuitry
for the logic interfaces. Power supply bypassing is required at
the input and output supply pins (see Figure 14).

The power supply section of the ADuM6000 uses a 180 MHz
oscillator frequency to pass power efficiently through its chip
scale transformers. In addition, the normal operation of the
data section of the iCoupler introduces switching transients
on the power supply pins. Bypass capacitors are required for
several operating frequencies. Noise suppression requires a low
inductance, high frequency capacitor, whereas ripple suppression
and proper regulation require a large value capacitor. These
capacitors are most conveniently connected between Pin 1 and
Pin 2 for V

, and between Pin 15 and Pin 16 for V

DD1

ISO

)

OUT

.

Rev. C | Page 12 of 16

To suppress noise and reduce ripple, a parallel combination of
at least two capacitors is required. The recommended capacitor
values are 0.1 μF and 10 μF. Best practice recommends using a
very low inductance ceramic capacitor, or its equivalent, for the
smaller value. The total lead length between both ends of the
capacitor and the input power supply pin should not exceed
10 mm. Consider bypassing between Pin 1 and Pin 8 and
between Pin 9 and Pin 16 unless both common ground pins
are connected together close to the package.

Figure 14. Recommended PCB Layout

In applications involving high common-mode transients, ensure
that board coupling across the isolation barrier is minimized.
Furthermore, design the board layout such that any coupling that
does occur affects all pins equally on a given component side.
Failure to ensure this can cause voltage differentials between
pins exceeding the absolute maximum ratings for the device
as specified in Ta bl e 10, thereby leading to latch-up and/or
permanent damage.

The ADuM6000 is a power device that dissipates approximately
1 W of power when fully loaded. Because it is not possible to apply
a heat sink to an isolation device, the device primarily depends
on heat dissipation into the PCB through the GND pins. If the
device is used at high ambient temperatures, provide a thermal
path from the GND pins to the PCB ground plane. The board
layout in Figure 14 shows enlarged pads for Pin 2 and Pin 8
(GND

) and for Pin 9 and Pin 15 (GND

1

). Implement multiple

ISO

vias from the pad to the ground plane to significantly reduce the
temperature inside the chip. The dimensions of the expanded
pads are at the discretion of the designer and depend on the
available board space.

START-UP BEHAVIOR

The ADuM6000 device does not contain a soft start circuit.
Therefore, the start-up current and voltage behavior must be
taken into account when designing with this device.

When power is applied to V
to operate and draw current when the UVLO minimum voltage
is reached. The switching circuit drives the maximum available
power to the output until it reaches the regulation voltage where
PWM control begins. The amount of current and the time
required to reach regulation voltage depends on the load and
the V

slew rate.

DD1

, the input switching circuit begins

DD1

Data Sheet ADuM6000

With a fast V
up to 100 mA/V of V
the output can turn on, so the peak current is proportional to
the maximum input voltage.

With a slow V
voltage is not changing quickly when V
minimum voltage. The current surge is approximately 300 mA
because V
behavior during startup is similar to when the device load is a
short circuit; these values are consistent with the short-circuit
current shown in Figure 7.

When starting the device for V
the current available to the V
The ADuM6000 device may not be able to drive the output to
the regulation point if a current-limiting device clamps the V
voltage during startup. As a result, the ADuM6000 device can
draw large amounts of current at low voltage for extended
periods of time.

The output voltage of the ADuM6000 device exhibits V
overshoot during startup. If this overshoot could potentially
damage components attached to V
such as a Zener diode can be used to clamp the voltage. Typical
behavior is shown in Figure 12 and Figure 13.

EMI CONSIDERATIONS

The dc-to-dc converter section of the ADuM6000 must operate
at 180 MHz to allow efficient power transfer through the small
transformers. This creates high frequency currents that can
propagate in circuit board ground and power planes, causing
edge emissions and dipole radiation between the primary and
secondary ground planes. Grounded enclosures are recommended
for applications that use these devices. If grounded enclosures
are not possible, follow good RF design practices in the layout
of the PCB. See the AN-0971 Application Note for board layout
recommendations.

THERMAL ANALYSIS

The ADuM6000 consists of four internal silicon die attached to
a split lead frame with two die attach paddles. For the purposes of
thermal analysis, it is treated as a thermal unit with the highest
junction temperature reflected in the θ
The value of θ
mounted on a JEDEC standard 4-layer board with fine width
traces and still air. Under normal operating conditions, the

ADuM6000 operates at full load across the full temperature

range without derating the output current. However, following
the recommendations in the PCB Layout section decreases the
thermal resistance to the PCB, allowing increased thermal
margin at high ambient temperatures.

slew rate (200 µs or less), the peak current draws

DD1

. The input voltage goes high faster than

DD1

slew rate (in the millisecond range), the input

DD1

reaches the UVLO

DD1

is nearly constant at the 2.7 V UVLO voltage. The

DD1

= 5 V operation, do not limit

ISO

power pin to less than 300 mA.

DD1

ISO

, a voltage-limiting device

ISO

value from Table 5.

JA

is based on measurements taken with the part

JA

DD1

Rev. C | Page 13 of 16

CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION

The ADuM6000 is protected against damage due to excessive
power dissipation by thermal overload protection circuits.
Thermal overload protection limits the junction temperature to
a maximum of 150°C (typical). Under extreme conditions (that
is, high ambient temperature and power dissipation), when the
junction temperature starts to rise above 150°C, the PWM is
turned off, turning off the output current. When the junction
temperature drops below 130°C (typical), the PWM turns on
again, restoring the output current to its nominal value.

Consider the case where a hard short from V

to ground occurs.

ISO

At first, the ADuM6000 reaches its maximum current, which is
proportional to the voltage applied at V

. Power dissipates on

DD1

the primary side of the converter (see Figure 7). If self-heating
of the junction becomes great enough to cause its temperature
to rise above 150°C, thermal shutdown is activated, turning off
the PWM and turning off the output current. As the junction
temperature cools and drops below 130°C, the PWM turns on
and power dissipates again on the primary side of the converter,
causing the junction temperature to rise to 150°C again. This
thermal oscillation between 130°C and 150°C causes the part
to cycle on and off as long as the short remains at the output.

Thermal limit protections are intended to protect the device
against accidental overload conditions. For reliable operation,
externally limit device power dissipation to prevent junction
temperatures from exceeding 130°C.

POWER CONSIDERATIONS

The ADuM6000 converter primary side is protected from pre­mature operation by undervoltage lockout (UVLO) circuitry.
Below the minimum operating voltage, the power converter
holds its oscillator inactive.

When the primary side oscillator begins to operate, it transfers
power to the secondary power circuits. The secondary V
starts below its UVLO limit, making it inactive and unable to
generate a regulation control signal. The primary side power
oscillator is allowed to free run under this condition, supplying
the maximum amount of power to the secondary side.

As the secondary side voltage rises to its regulation setpoint, a
large inrush current transient is present at V

. When the regula-

DD1

tion point is reached, the regulation control circuit produces the
regulation control signal that modulates the oscillator on the
primary side. The V

current is then reduced and is propor-

DD1

tional to the load current. The inrush current is less than the
short-circuit current shown in Figure 7. The duration of the
inrush current depends on the V
the current and voltage available at the V

loading conditions and on

ISO

pin.

DD1

voltage

ISO

ADuM6000 Data Sheet

INCREASING AVAILABLE POWER

The ADuM6000 device is designed to work in combination
with other compatible isoPower devices. The RC
RC

pins allow the ADuM6000 to provide its PWM signal to

SEL

another device through its RC

pin, acting as a master. It can

OUT

also receive a PWM signal from another device through its RC
pin and act as a slave to that control signal. The RC
whether the part acts as a master or slave device.

When the ADuM6000 acts as a slave, its power is regulated
by the master device, allowing multiple isoPower parts to be
combined in parallel while sharing the load equally. When the

ADuM6000 is configured as a master or standalone device, it

generates its own PWM feedback signal to regulate itself and
any slave devices.

The ADuM6000 can function as a master, slave, or standalone
device. All devices in the ADuM5xxx and ADuM6xxx family
can function as standalone devices. Some of these devices also
function as master devices or slave devices, but not both (see
Table 14).

Table 15 illustrates how isoPower devices can provide many
combinations of data channel count and multiples of the single­un it powe r.

, RCIN, and

OUT

pin chooses

SEL

IN

Table 14. Function of isoPower Parts

Function

Part No.

Master Slave Standalone

ADuM6000 Ye s Yes Yes
ADuM620x No Ye s Yes
ADuM640x No No Yes
ADuM5000 Yes Yes Ye s
ADuM520x No Ye s Yes
ADuM5400 No No Yes
ADuM5401 to

Yes No Yes

ADuM5404

Another feature that is allowed by the RC

and RCIN control

SEL

architecture is the ability to completely shut down the oscillator
in the dc-to-dc converter. This places the part in a low power
standby mode and reduces the current draw to a fraction of a
milliamp.

When the ADuM6000 is placed in slave mode by driving RC
low, the oscillator is controlled by RC

. If RCIN is held low, the

IN

SEL

oscillator is shut down and the part is in low power standby
mode. With no oscillator driving power to the secondary side,
V

turns off. This mode is useful for applications where an

ISO

isolated subsystem may be shut down to conserve power. To
reactivate the power module, drive RC

high; the power supply

SEL

resumes operation.

Table 15. Configurations for Power and Data Channels

Power Units
1-Unit Power

2-Unit Power

0 Channels 2 Channels 4 Channels

ADuM6000 or ADuM5000 (standalone) ADuM620x or ADuM520x (standalone) ADuM5401, ADuM5402, ADuM5403,

ADuM6000 or ADuM5000 (master)
ADuM6000 or ADuM5000 (slave)

ADuM6000 or ADuM5000 (slave)

3-Unit Power

ADuM6000 or ADuM5000 (master) ADuM6000 or ADuM5000 (master) ADuM6000 or ADuM5000 (master)
ADuM6000 or ADuM5000 (slave) ADuM6000 or ADuM5000 (slave) ADuM620x or ADuM520x (slave)
ADuM6000 or ADuM5000 (slave) ADuM620x or ADuM520x (slave) ADuM620x or ADuM520x (slave)

Number of Data Channels

ADuM6000 or ADuM5000 (master)
ADuM620x or ADuM520x (slave)

ADuM5404, or ADuM640x (standalone)
ADuM5401, ADuM5402, ADuM5403,

ADuM5404 (master)

Rev. C | Page 14 of 16

Data Sheet ADuM6000

INSULATION LIFETIME

All insulation structures eventually break down when subjected
to voltage stress over a sufficiently long period. The rate of insu­lation degradation is dependent on the characteristics of the
voltage waveform applied across the insulation. In addition to
the testing performed by the regulatory agencies, Analog Devices
carries out an extensive set of evaluations to determine the life­time of the insulation structure within the ADuM6000.

Analog Devices performs accelerated life testing using voltage
levels higher than the rated continuous working voltage. Accel­eration factors for several operating conditions are determined.
These factors allow calculation of the time to failure at the actual
working voltage. The values shown in Table 11 summarize the
peak voltage for 50 years of service life for a bipolar ac operating
condition and the maximum CSA/VDE approved working volt­ages. In many cases, the approved working voltage is higher than
the 50-year service life voltage. Operation at these high working
voltages can lead to shortened insulation life in some cases.

The insulation lifetime of the ADuM6000 depends on the
voltage waveform imposed across the isolation barrier. The
iCoupler insulation structure degrades at different rates depend­ing on whether the waveform is bipolar ac, unipolar ac, or dc.
Figure 15, Figure 16, and Figure 17 illustrate these different
isolation voltage waveforms.

Bipolar ac voltage is the most stringent environment. The goal
of a 50-year operating lifetime under the bipolar ac condition
determines the maximum working voltage recommended by
Analog Devices.

In the case of unipolar ac or dc voltage, the stress on the insu­lation is significantly lower. This allows operation at higher
working voltages while still achieving a 50-year service life.
The working voltages listed in Table 11 can be applied while
maintaining the 50-year minimum lifetime, provided that the
voltage conforms to either the unipolar ac or dc voltage cases.

Any cross-insulation voltage waveform that does not conform
to Figure 16 or Figure 17 should be treated as a bipolar ac wave­form and its peak voltage limited to the 50-year lifetime voltage
value listed in Table 11. The voltage presented in Figure 16 is
shown as sinusoidal for illustration purposes only. It is meant to
represent any voltage waveform varying between 0 V and some
limiting value. The limiting value can be positive or negative,
but the voltage cannot cross 0 V.

RATED PEAK VOL TAGE

0V

Figure 15. Bipolar AC Waveform

08624-021

RATED PEAK VOL TAGE

0V

Figure 16. Unipolar AC Waveform

08624-022

RATED PEAK VOL TAGE

0V

Figure 17. DC Waveform

08624-023

Rev. C | Page 15 of 16

ADuM6000 Data Sheet

C

OUTLINE DIMENSIONS

10.50 (0.4134)

10.10 (0.3976)

BSC

9

7.60 (0.2992)

7.40 (0.2913)

8

10.65 (0.4193)

10.00 (0.3937)

2.65 (0.1043)

2.35 (0.0925)

SEATING
PLANE

8°
0°

0.33 (0.0130)

0.20 (0.0079)

0
0

.

7

.

2

(

5

0

.

(

5

0

.

)

0

2

9

5

45°

9

8

)

0

0

1.27 (0.0500)

0.40 (0.0157)

03-27-2007-B

0.30 (0.0118)

0.10 (0.0039)

OPLANARITY

0.10

16

1

1.27 (0.0500)

0.51 (0.0201)

0.31 (0.0122)

CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES)ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.

COMPLIANT TO JEDEC STANDARDS MS-013-AA

Figure 18. 16-Lead Standard Small Outline Package [SOIC_W]

Wide Body

(RW-16)

Dimensions shown in millimeters and (inches)

13.00 (0.5118)

12.60 (0.4961)

16

1

9

8

7.60 (0.2992)

7.40 (0.2913)

10.65 (0.4193)

10.00 (0.3937)

.

(

7

5

0

.

0

2

9

5

0.30 (0.0118)

0.10 (0.0039)

COPLANARITY

0.10

2.65 (0.1043)

2.35 (0.0925)

1.27

0.51 (0.0201)

(0.0500)

0.31 (0.0122)

BSC

CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
(IN PARENTHESES)ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN.

COMPLIANT TO JEDEC STANDARDSMS-013-AC

SEATING
PLANE

8°
0°

0.33 (0.0130)

0.20 (0.0079)

0
0

2

.

(

5

0

.

)

45°

0

0

9

8

)

1.27 (0.0500)

0.40 (0.0157)

10-12-2010-A

Figure 19. 16-Lead Standard Small Outline Package, with Increased Creepage [SOIC_IC]

Wide Body

(RI-16-1)

Dimensions shown in millimeters and (inches)

ORDERING GUIDE

Model1 Temperature Range Package Description2 Package Option

ADuM6000ARWZ −40°C to +105°C 16-Lead SOIC_W RW-16
ADuM6000ARIZ −40°C to +105°C 16-Lead SOIC_IC RI-16-1

1

Z = RoHS Compliant Part.

2

Tape and reel are available. The additional -RL suffix designates a 13-inch (1,000 units) tape and reel option.

©2010–2012 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D08624-0-5/12(C)

Rev. C | Page 16 of 16