LTC1255 データシートの表示（PDF） - Linear Technology

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LTC1255

Dual 24V High-Side MOSFET Driver

Linear Technology 

U

TYPICAL APPLICATIO S

10 to 12 Cell Battery Switch and 5V Ramped Load Switch with

12µA Standby Current and Optional 3A Overcurrent Shutdown

LTC1255

18V TO 30V

FROM

BATTERY

CHARGER

10 TO 12

CELL

BATTERY

PACK

9.1V

MMBZ5239BL

10k

2N2222

10k

VLOGIC

100k

µP OR

CONTROL

LOGIC

1N5400

0.033Ω*

IRFR024

IRFR024

0.22µF* 100k*

+

12V

MMBZ5242BL

VS DS1

G1

LTC1255

1N4148

IN1

DS2

100k

IN2 GND G2

*OPTIONAL 3A OVERCURRENT SHUTDOWN

†SEE LTC1149 DATA SHEET FOR CIRCUIT DETAILS

100µF

VIN

HIGH†

EFFICIENCY

SWITCHING

REGULATOR

VOUT

+

SWITCHED

BATTERY

5V/1A

100µF

1k

0.1µF

MTD3055EL

LTC1255 • TA04

5V/1A

(SWITCHED)

Automotive Motor Direction and Speed Control with

Stall-Current Shutdown

14V

+

MR2535L

10µF

50V

5V

DIRECTION

MOTOR SPEED

AND DIRECTION

CONTROL LOGIC

OR µP

DIRECTION

PWM 1

PWM 2

0.1µF

VS DS1

G1

LTC1255

IN1

DS2

IN2 GND G2

100Ω

0.1µF

100k

30k

0.02Ω

30k

MTD3055E

12V

MMBZ5242B

MTD3055E

12V

MMBZ5242B

14V

DC MOTOR

MTD3055EL

MTD3055EL

LTC1255 • TA05

11

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