MICREL MIC4425BWM, MIC4425CN, MIC4425CWM, MIC4425BM, MIC4424CWM Datasheet

MIC4423/4424/4425 Micrel

MIC4423/4424/4425

Dual 3A-Peak Low-Side MOSFET Driver

Bipolar/CMOS/DMOS Process

General Description

The MIC4423/4424/4425 family are highly reliable BiCMOS/
DMOS buffer/driver/MOSFET drivers. They are higher output
current versions of the MIC4426/4427/4428, which are
improved versions of the MIC426/427/428. All three families
are pin-compatible. The MIC4423/4424/4425 drivers are
capable of giving reliable service in more demanding electrical
environments than their predecessors. They will not latch
under any conditions within their power and voltage ratings.
They can survive up to 5V of noise spiking, of either polarity,
on the ground pin. They can accept, without either damage or
logic upset, up to half an amp of reverse current (either
polarity) forced back into their outputs.

The MIC4423/4424/4425 series drivers are easier to use,
more flexible in operation, and more forgiving than other
CMOS or bipolar drivers currently available. Their BiCMOS/
DMOS construction dissipates minimum power and provides
rail-to-rail voltage swings.

Primarily intended for driving power MOSFETs, the MIC4423/
4424/4425 drivers are suitable for driving other loads
(capacitive, resistive, or inductive) which require low­impedance, high peak currents, and fast switching times.
Heavily loaded clock lines, coaxial cables, or piezoelectric
transducers are some examples. The only known limitation on
loading is that total power dissipated in the driver must be kept
within the maximum power dissipation limits of the package.

Features

• Reliable, low-power bipolar/CMOS/DMOS construction

• Latch-up protected to >500mA reverse current

• Logic input withstands swing to –5V

• High 3A-peak output current

• Wide 4.5V to 18V operating range

• Drives 1800pF capacitance in 25ns

• Short <40ns typical delay time

• Delay times consistent with in supply voltage change

• Matched rise and fall times

• TTL logic input independent of supply voltage

• Low equivalent 6pF input capacitance

• Low supply current

3.5mA with logic-1 input
350µA with logic-0 input

• Low 3.5Ω typical output impedance

• Output voltage swings within 25mV of ground or VS.

• ‘426/7/8-, ‘1426/7/8-, ‘4426/7/8-compatible pinout

• Inverting, noninverting, and differential configurations

Functional Diagram

V

S

Integrated Component Count:

4 Resistors

INVERTING

NONINVERTING

INVERTING

NONINVERTING

GND

INA

INB

0.1mA

0.6mA

2kΩ

0.6mA

0.1mA

2kΩ

Ground Unused Inputs

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 [phone] • fax + 1 [phone] • http://www.micrel.com

January 1999 1 MIC4423/4424/4425

4 Capacitors
52 Transistors

OUTA

OUTB

MIC4423/4424/4425 Micrel

Ordering Information

Part Number Temperature Range Package Configuration

MIC4423CWM 0°C to +70°C 16-Pin Wide SOIC Dual Inverting
MIC4423BWM –40°C to +85°C

MIC4423BM –40°C to +85°C 8-Pin SOIC Dual Inverting
MIC4423CN 0°C to +70°C 8-Pin Plastic DIP Dual Inverting

MIC4423BN –40°C to +85°C
MIC4424CWM 0°C to +70°C 16-Pin Wide SOIC Dual Non-Inverting

MIC4424BWM –40°C to +85°C
MIC4424BM –40°C to +85°C 8-Pin SOIC Dual Non-Inverting
MIC4424CN 0°C to +70°C 8-Pin Plastic DIP Dual Non-Inverting

MIC4424BN –40°C to +85°C
MIC4425CWM 0°C to +70°C 16-Pin Wide SOIC Inverting + Non Inverting

MIC4425BWM –40°C to +85°C
MIC4425BM –40°C to +85°C 8-Pin SOIC Inverting + Non Inverting
MIC4425CN 0°C to +70°C 8-Pin Plastic DIP Inverting + Non Inverting

MIC4425BN –40°C to +85°C

Pin Configuration

NC

1

INA

2

GND

3

INB

4

8-pin SOIC (M)

1NC
2INA

8NC

16-lead Wide SOIC (WM)

8-pin DIP (N)

8
7
6
5

NC
OUTA
VS
OUTB

WM Package Note:

Duplicate

OUTA

, and
must be externally
connected together.

NC16
OUTA15
OUTA143NC
VS134GND
VS125GND
OUTB116NC
OUTB107INB
NC9

GND, VS

OUTB

Driver Configuration

MIC4423xN/M

A

7 OUTA

B

5 OUTB

A

7 OUTA

B

5 OUTB

A

7 OUTA

B

5 OUTB

,

pins

INA 2

INB 4

MIC4424xN/M

INA 2

INB 4

MIC4425xN/M

INA 2

INB 4

MIC4423xWM

INA 2

INB 7

MIC4424xWM

INA 2

INB 7

MIC4425xWM

INA 2

INB 7

14 OUTA

A

15 OUTA
10 OUTB

B

11 OUTB

14 OUTA

A

15 OUTA
10 OUTB

B

11 OUTB

14 OUTA

A

15 OUTA
10 OUTB

B

11 OUTB

Pin Description

Pin Number Pin Number Pin Name Pin Function

DIP, SOIC Wide SOIC

2 / 4 2 / 7 INA/B Control Input

3 4, 5 GND Ground: Duplicate pins must be externally connected together.
6 12, 13 V

S

7 / 5 14, 15 / 10, 11 OUTA/B Output: Duplicate pins must be externally connected together.

1, 8 1, 3, 6, 8, 9, 16 NC not connected

MIC4423/4424/4425 2 January 1999

Supply Input: Duplicate pins must be externally connected together.

MIC4423/4424/4425 Micrel

Absolute Maximum Ratings (Note 1)

Supply Voltage ...........................................................+22V

Input Voltage ................................. VS + 0.3V to GND – 5V

Junction Temperature .............................................. 150°C

Storage Temperature Range .................... –65°C to 150°C

Lead Temperature (10 sec.)..................................... 300°C

ESD Susceptability, Note 3...................................... 1000V

Operating Ratings (Note 2)

Supply Voltage (VS) .................................... +4.5V to +18V

Temperature Range

C Version .................................................. 0°C to +70°C

B Version............................................... –40°C to +85°C

Package Thermal Resistance

DIP θJA............................................................. 130°C/W

DIP θJC............................................................... 42°C/W

Wide-SOIC θJA................................................. 120°C/W

Wide-SOIC θJC................................................... 75°C/W

SOIC θJA.......................................................... 120°C/W

SOIC θJC............................................................ 75°C/W

MIC4423/4424/4425 Electrical Characteristics

4.5V ≤ VS ≤ 18V; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted.
Symbol Parameter Conditions Min Typ Max Units
Input

V

IH

V

IL

I

IN

Output

V

OH

V

OL

R

O

I

PK

I Latch-Up Protection >500 mA

Switching Time (Note 4)

t

R

t

F

t

D1

t

D2

Power Supply

I

S

I

S

Logic 1 Input Voltage 2.4 V
Logic 0 Input Voltage 0.8 V
Input Current 0V ≤ VIN ≤ V

S

–1 1 µA

–10 10 µA

High Output Voltage

VS–0.025

V
Low Output Voltage 0.025 V
Output Resistance HI State I

Output Resistance LO State I

= 10mA, VS = 18V 2.8 5 Ω

OUT

VIN = 0.8V, I

= 10mA, VS = 18V 3.5 5 Ω

OUT

VIN = 2.4V, I

= 10mA, VS = 18V 3.7 8 Ω

OUT

= 10mA, VS = 18V 4.3 8 Ω

OUT

Peak Output Current 3A

Withstand Reverse Current

Rise Time test Figure 1, CL = 1800pF 23 35 ns

28 60 ns

Fall Time test Figure 1, CL = 1800pF 25 35 ns

32 60 ns

Delay Tlme test Ffigure 1, CL = 1800pF 33 75 ns

32 100 ns

Delay Time test Figure 1, CL = 1800pF 38 75 ns

38 100 ns

Power Supply Current VIN = 3.0V (both inputs) 1.5 2.5 mA

2 3.5 mA

Power Supply Current VIN = 0.0V (both inputs) 0.15 0.25 mA

0.2 0.3 mA

Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handling precautions recommended. ESD tested to human body model, 1.5k in series with 100pF.
Note 4. Switching times guaranteed by design.

January 1999 3 MIC4423/4424/4425

MIC4423/4424/4425 Micrel

Test Circuit

INPUT

OUTPUT

VS = 18V

0.1µF 4.7µF

OUTA

1800pF

OUTB

1800pF

2.5V

t

D2

t

PW

≥ 0.5µs

5V

90%
10%

0V

V

90%

MIC4423

t

D1

A

B

t

PW

t

F

INA

INB

S

10%

0V

Figure 1a. Inverting Driver Switching Time

VS = 18V

0.1µF 4.7µF

INA

INB

A

MIC4424

B

5V

90%

INPUT

10%

0V

t

R

V

90%

S

t

PW

t

D1

t

R

OUTA

1800pF

OUTB

1800pF

2.5V

t

D2

t

PW

≥ 0.5µs

t

F

OUTPUT

10%

0V

Figure 1b. Noninverting Driver Switching Time

MIC4423/4424/4425 4 January 1999