LTC1157CS8 datasheet(2/8 Pages) LINER

Part #	LTC1157CS8

Description	3.3V Dual Micropower High-Side/Low-Side MOSFET Driver

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC1157

LTC1157C

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IQ

Quiescent Current OFF

VS = 3.3V, VIN1 = VIN2 = 0V (Note 1)

3

10

µA

Quiescent Current ON

VS = 3.3V, VIN = 3.3V (Note 2)

80

160

µA

VS = 5V, VIN = 5V (Note 2)

180

400

µA

VINH

Input High Voltage

q

70%

× VS

V

VINL

Input Low Voltage

q

15%

× VS

V

IIN

Input Current

0V

≤ VIN ≤ VS

q

±1

µA

CIN

Input Capacitance

5pF

VGATE – VS

Gate Voltage Above Supply

VS = 3V

q

4.0

4.7

6.5

V

VS = 3.3V

q

4.5

5.4

7.0

V

VS = 5V

q

7.5

8.8

12.0

V

tON

Turn-ON Time

VS = 3.3V, CGATE = 1000pF

Time for VGATE > VS + 1V

30

130

300

µs

Time for VGATE > VS + 2V

75

240

750

µs

VS = 5V, CGATE = 1000pF

Time for VGATE > VS + 1V

30

85

300

µs

Time for VGATE > VS + 2V

75

230

750

µs

tOFF

Turn-OFF Time

VS = 3.3V, CGATE = 1000pF

Time for VGATE < 0.5V

10

36

60

µs

VS = 5V, CGATE = 1000pF

Time for VGATE < 0.5V

10

31

60

µs

Supply Voltage ........................................... – 0.3V to 7V

Any Input Voltage ............. (VS + 0.3V) to (GND – 0.3V)

Any Output Voltage ............. (VS + 12V) to (GND – 0.3V)

Current (Any Pin) ................................................. 50mA

A

G

A

U

A

R

BSOLUTEXI

TI

S

Operating Temperature Range

LTC1157C ............................................... 0

°C to 70°C

Storage Temperature Range ................ – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec) ................. 300

°C

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

LTC1157CN8

ORDER PART

NUMBER

TJMAX = 100°C, θJA = 130°C/ W

LTC1157CS8

TJMAX = 100°C, θJA = 150°C/ W

ELECTRICAL C

C

HARA TERISTICS V

S = 2.7V to 5.5V, TA = 25°C, unless otherwise noted.

The q denotes specifications which apply over the full operating

temperature range.

Note 1: Quiescent current OFF is for both channels in OFF condition.

Note 2: Quiescent current ON is per driver and is measured independently.

S8 PART MARKING

1157

1

2

3

4

8

7

6

5

TOP VIEW

NC

GATE 1

GND

IN1

NC

GATE 2

VS

IN2

N8 PACKAGE

8-LEAD PLASTIC DIP

1

2

3

4

8

7

6

5

TOP VIEW

NC

GATE 2

VS

IN2

NC

GATE 1

GND

IN1

S8 PACKAGE

8-LEAD PLASTIC SO

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