ANPEC APL1431 Service Manual

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APL1431

Adjustable Precision Shunt Regulator

Features General Description

••

•

Precise Reference Voltage to 2.500V

••

•

Guaranteed 0.5% or 1% Reference Voltage

••

Tolerance

••

•

Sink Current Capability , 1mA to 100mA

••

•

Quick Turn-on

••

•

Adjustable Output Voltage , VO = V

••

• Low Operational Cathode Current , 250µA

••

to 20V

REF

Typical

••

• 0.1Ω Typical Output Impedance

••

• SOT-23 , SOT-89 and TO-92 Packages

••

Applications

••

• Linear Regulators

••

• Adjustable Power Supply

••

• Switching Power Supply

••

The APL1431 is a 3-terminal adjustable voltage reference with specified thermal stability over applicable commercial temperature ranges. Output voltage may be set to any value between V

(2.5 V) and 20 V with

ref

two external resistors (see Figure 2). When used with an photocoupler, the APL1431 is an ideal voltage reference in isolated feedback circuits for 2.5V to 12V switching-mode power supplies. This device has a typical output impedance of 0.1Ω. Active output circuitry provides a very sharp turn-on characteristic, making the APL1431 excellent replacements for zener diodes in many applications, including on-board regulation and adjustable power supplies.

ANODE

3

12

CATHODE

REF

SOT-23 (Top View)

Symbol

REF

CathodeAnode

Functional Diagram

Cathode

REF

+

_

ref

V

123

REFANODECATHODE

SOT-89 (Top View)

REF

1

2

ANODE

CATHODE

3

TO-92 (Top View)

Anode

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders.

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Ordering and Marking Information

Elec. Grade

APL1431

APL1431 A :

Handling Code

Temp. Range

Package Code

Elec. Grade

1431

A : 0.5% Reference Voltage Tolerance B : 1% R eference Voltage Tolerance Package Code A : S O T -23 D : S O T-8 9 E : TO-92 Y : C hip Fo rm Temp. Range C : 0 to 70 C I : -40 to 85 C Handling Code PB : P lastic B ag TB : Tape & Box TR : Ta pe & Reel

APL1431 E :

°

APL 1431 XXXXX

°

XXXXX - Date Code

APL1431 D :

APL1431 XXXXX

XXXXX

- Date Code

Absolute Maximum Ratings

Symbol Parameter Rating Unit

V

KA

I

K

I

REF

θ

JA

T

A

T

j

T

STG

T

SOL

Cathode voltage Continuous cathode current range Reference current range

Thermal Resistance from Junction to Ambient in Free Air SOT-23 SOT-89 TO-92 Ambient temperature range APL1431XXC APL1431XXI Junction temperature range APL1431XXC APL1431XXI

Storage Temperature Range

Lead temperature range, Ts (Soldering, 10sec)

20 V

120 mA

3mA

416 250 250

0 to 70

-40 to 85 0 to 150

-40 to 150

-65 to 150

260

C/W

°

C

Electrical Characteristics

TA= 25°C ( unless otherwise noted)

Symbol Parameter Test Conditions

V

REF

/T

V

∆

REF

Reference voltage

Reference voltage drift over temp. range

KA=VREF

I

=10mA

K

V

KA=VREF

T

A

,

*1

, IK=10mA

= 0 to 70°C

TA= -40 to 85°C

/ ∆V

V

∆

REF

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

Voltage ratio (open

KA

loop gain)

IK=10mA, VKA=V I

=10mA, VKA=V

K

APL1431

Min. Typ. Max.

APL431A 2.487 2.500 2.513 APL431B 2.475 2.500 2.525

*1

to 10V

REF

to 20V

REF

*2

-1.5 -3

-1.2 -2.5

Unit

V

20

mV

30

mV/V

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APL1431

Electrical Characteristics Cont. T

Symbol Parameter Test Conditions

=10mA,

I

K

R

=10kΩ, R2=open

1

I

=10mA, R1=10kΩ,

K

R

=open, TA= -40 to 85°C

2

V

KA

V

KA=VREF

*1

REF

= 20V, V

REF

= 0V

IK=1mA to 100mA, f ≤1kHz

+ 50mV

REF

∆

I

REF

I

REF

I

K(min)

I

K(off)

/T

Reference current

Reference current drift

Min. cathode current VKA=V Off-state cathode

current

|ZKA| Dynamic impedance

I

K

Cathode current VKA=V

Notes : *1 : use Figure 1

*2 : use Figure 2 *3 : use Figure 3

Test figures

= 25°C ( unless otherwise noted)

A

APL1431

Min. Typ. Max.

*2

1.0 3

0.3 1

0.25 0.5 mA

*3

*1

*2

0.1 1

0.1 0.4

Unit

µ

Ω

100 mA

A

IN

V

REF

V

Figure 1. Test Circuit for VKA=V

V

IN

R1

R2

I

REF

V

Figure 2. Test Circuit for VKA>V VO= VKA= V

× (1+R1/R2) + I

REF

K

I

, VO=VKA=V

REF

I

K

,

REF

V

o

V

× R

V

o

REF

V

IN

Figure 3. Test Circuit for I

K(off)

I

K(off)

Application schematic

o

1

∗ R

should provide cathode current large than

b

1mA to maintain APL431 work properly.

5-Volt Precision Regulator

V

IN

b

R

27.5k

0.1%

27.5k

0.1%

o

V

Ω

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Typical Characteristics

Reference Current vs.Temperature

125

100

75

Reference Current -µA

50

-40 -20 0 20 40 60 80

Temperature - C

°

100

Cathode Current vs. Cathode Voltage

800

600

400

I

K-MIN

200

Cathode Current -µA

0

-200

-1 0 1 2 3

Cathode Voltage (V)

Cathode Current vs. Cathode Voltage

100

50

0

Cathode Current -mA

-50

-100

-1 0 1 2 3

Cathode Voltage -V

Reference Voltage vs. Temperature

2.52

2.515

2.51

2.505

2.5

2.495

2.49

2.485

Reference Voltage -V

2.48

2.475

2.47

-40

-20

20 40 60 80 100

0

Temperature ( C)

°

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Typical Characteristics (Cont.)

Small-Signal Voltage Amplification vs Frequency

60

50

40

30

20

10

Small-Signal Voltage Amplification- dB

0

1 10 100 1000

Frequency - kHz

Pulse Response

6

Input

5

4

3

2

1

Input and Output Voltage - V

0

345 67

output

Time -

89

s

µ

10 11

12

13

Off-State Cathode Current vsTemperature

0.5

VKA = 20V

= 0

V

0.4

0.3

0.2

0.1

Off-State Cathode Current - µA

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

REF

0

-40 -20 0 20 40 60 80 100

Temperature ( C)

Ratio of Delta Reference Voltage to

Delta Cathode Voltage vs Temperature

0

-0.25

VKA= V

I

= 10mA

K

REF

to 20V

-0.5

-0.75

-1

-1.25

-1.5

-1.75

Ratio of Delta Reference Voltage to

Delta Cathode Voltage - mV/V

-2

-40 -20 0 20 40 60 80 100 120

°

Temperature ( C)

°

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APL1431

Typical Characteristics (Cont.)

Off-State Cathode Current vs Cathode Voltage

2500

V

=0

2000

A)

µ

1500

1000

500

Off-State Cathode Current (

-500

REF

0

-5051015202530

Cathode Voltage (V)

Reference Impedance vs Frequency

1

Ω

Reference Impedance -

500m

300m

200m

100m

IK= 10mA

TA= 25°C

1k

Frequency

Figure 10Figure 9

100k

200k2k 5k 10k 20k 50k

Stability Boundary Conditions

100

90

80

70

60

50

40

30

Cathode Current -mA

20

10

0

0.001 0.01 0.1

VkA=V

VkA=3.3V

Load Capacitance - µF

Figure 11

REF

TA= 25°C

Stable

1

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Packaging Information

SOT-23

D

B

3

1

S

e

E H

2

A

Dim

A1

L

Millimeters Inches

Min. Max. Min. Max.

C

A 1.00 1.30 0.039 0.051

A1 0.00 0.10 0.000 0.004

B 0.35 0.51 0.014 0.020

C 0.10 0.25 0.004 0.010

D 2.70 3.10 0.106 0.122

E 1.40 1.80 0.055 0.071

e 1.90 BSC 0.075 BSC

H 2.40 3.00 0.094 0.118

L 0.37 0.0015

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Packaging Information

SOT-89

H

L

12 3

D

D1

a

E

C

Dim

B1

B

e

e1

A

a

Millimeters Inches

Min. Max. Min. Max.

A 1.40 1.60 0.055 0.063 B 0.40 0.56 0.016 0.022

B1 0.35 0.48 0.014 0.019

C 0.35 0.44 0.014 0.017 D 4.40 4.60 0.173 0.181

D1 1.35 1.83 0.053 0.072

e 1.50 BSC 0.059 BSC

e1 3.00 BSC 0.118 BSC

E 2.29 2.60 0.090 0.102 H 3.75 4.25 0.148 0.167

L 0.80 1.20 0.031 0.047

α

10

°

10

°

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Packaging Information

TO-92

3

J

e

e1

L1

Q

A

SEATING PLANE

b2

L

b

2

1

S

E

S

Millimeters Inches

Dim

Min. Max. Min. Max.

A 4.318 5.334 0.170 0.210

b

φ

b2

φ

D

φ

0.406 0.559 0.016 0.022

4.445 5.207 0.175 0.205

E 3.175 4.191 0.125 0.165

e 2.413 2.667 0.095 0.105

e1 1.143 1.397 0.045 0.055

J 3.429 0.135

L 12.70 0.500

L1 1.27 0.050

Q 2.921 0.115

S 2.032 2.667 0.080 0.105

D

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Physical Specifications

Terminal Material Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb) Lead Solderability Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.

Reflow Condition (IR/Convection or VPR Reflow)

Reference JEDEC Standard J-STD-020A APRIL 1999

Peak temperature

temperature

Pre-heat temperature

°

183 C

Time

Classification Reflow Profiles

Convection or IR/

Convection

Average ramp-up rate(183°C to Peak) 3°C/second max. 10 °C /second max. Preheat temperature 125 ± 25°C) Temperature maintained above 183°C Time within 5°C of actual peak temperature Peak temperature range Ramp-down rate Time 25°C to peak temperature

120 seconds max 60 – 150 seconds 10 –20 seconds 60 seconds 220 +5/-0°C or 235 +5/-0°C 215-219°C or 235 +5/-0°C 6 °C /second max. 10 °C /second max. 6 minutes max.

VPR

Package Reflow Conditions

pkg. thickness and all bgas

Convection 220 +5/-0 °C Convection 235 +5/-0 °C VPR 215-219 °C VPR 235 +5/-0 °C IR/Convection 220 +5/-0 °C IR/Convection 235 +5/-0 °C

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

2.5mm

≥≥≥≥

pkg. thickness < 2.5mm and pkg. volume

350 mm³

≥≥≥≥

pkg. thickness < 2.5mm and pkg. volume < 350mm³

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APL1431

F

Re liability test prog ram

SOLDERABILITY MIL-STD-883D-2003 HOLT MIL-STD-883D-1005.7 PCT JESD-22-B, A102 TST MIL-STD-883D-1011.9

245°C , 5 SEC 1000 Hrs Bias @ 125 °C 168 Hrs, 100 % RH , 121°C

-65°C ~ 150°C, 200 Cycles ESD MIL-STD-883D-3015.7 VHBM > 2KV, VMM > 200V La tch-U p JE S D 78 10 m s , Itr > 100mA

Carrier Tape & Reel Dimensions

t

Test item Method Description

E

F

W

Po

P

P1

Ao

D

Bo

D1

Ko

Application

SOT-23

Application

SOT-89

T2

J

C

A

B

T1

A B C J T1 T2 W P E

178±1 60 ± 1.0 12.0 2.5 ± 0.15 9.0 ± 0.5 1.4

8.0+ 0.3

- 0.3

4.0 1.75

F D D1 Po P1 Ao Bo Ko t

3.5 ± 0.05 1.5 +0.1

0.1MIN 4.0 2.0 ± 0.05 3.1 3.0 1.3 0.2±0.03

A B C J T1 T2 W P E

178 ±1 70 ± 2 13.5 ± 0.15 3 ± 0.15 14 ± 2 1.3 ± 0.3

12 + 0.3

12 - 0.1

8 ± 0.1 1.75± 0.1

F D D1 Po P1 Ao Bo Ko t

5.5 ± 0.05 1.5± 0.1 1.5± 0.1 4.0 ± 0.1 2.0 ± 0.1 4.8 ± 0.1 4.5± 0.1 1.80± 0.1 0.3±0.013

(mm)

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

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APL1431

Carrier Tape & Reel Dimensions

Application

TO-92

H2H2

L

L1

T2 T T1

H2H2A

F1F2

P1

P

D2

A

H3

W2

H4

H

W1

H1

D

D1

P2

W

A D D1 D2 F1,F2 H H1 H2 H2A

3.18~12 4.0±0.2 0.36~0.53 9.0 MAX

2.5+0.2

-0.1

16±0.5 9±0.5 0.5 MAX 0.5 MAX

H3 H4 L L1 P P1 P2 T T1

27.0 MAX 20.0 MAX 11.0 MAX 2.5 MIN 12.7±0.2 6.35±0.4 50.8±0.5 0.55 MAX 1.42 MAX

T2 W W1 W2

0.36~0.68 17.5~19 5.0~7.0 0.5 MAX

(mm)

Cover Tape Dimensions

Application Carrier Width Cover Tape Width Devices Per Reel

SOT- 23 SOT- 89

TO-92

Copyright  ANPEC Electronics Corp. Rev. A.3 - May., 2003

8 5.3 3000

12 9.3 1000

17.5~19 5.0~7.0 2000

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ANPEC APL1431 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual