LTC4238

32

Rev. 0

For more information www.analog.com



ANALOG DEVICES, INC. 2020

07/20

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

COMM

0.8m

0.8m

RG1

10

M2A

PSMN3R7-100BSE

RG2

10

R1

360k

1%

R3

93.1k

1%

R2

3.01k

1%

R1

4.22k

1%

C3

0.1µF

CFET

0.33µF

R7

62k

1%

R8

5.23k

4300pF

CF

0.1µF

RG3

10

M2B

PSMN3R7-100BSE

RG4

10

UV

FLT

PG

TMR

CONFIG1

GATE1

GATE2

FB

COMM

LTC4238

OV

ISET

CONFIG2

TMRFET

GND

48V

GND

48V

BACKPLANE PLUG-IN

BOARD

150A

SMC5K60A

×3

3× LTC4238

RS1

RS2

4238 TA02

1k

1nF

*ONLY ONE OF ALL THE LTC4238s NEEDS TO HAVE A CAPACITOR CONNECTED TO THE TMR PIN.

39k

0.015µF

39k

0.015µF

M1A

M1B

PSMN3R7-100BSE

PSMN3R7-100BSE

48V, 150A Hot Swap Controllers Using the COMM Pin

PART NUMBER DESCRIPTION

COMMENTS

LT®1641-1/

LT1641-2

Positive High Voltage Hot Swap Controllers

Active Current Limiting, Supplies from 9V to 80V

LT4256-1/

LT4256-2

Positive 48V Hot Swap Controller with Open-Circuit Detect Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output, Up to

80V Supply

LTC4281

Monitoring

12-/16-Bit ADC Monitors Current, Voltage, Power and Energy, Internal

LTC4282

Compatible Monitoring

Dual Gate Drive, 12-/16-Bit ADC Monitors Current, Voltage, Power and

LTC4283

–48V Hot Swap Controller with Energy Monitor

SOA Timer, 8-Bit to 16-Bit ADC Monitors Current, Voltage, Power and

LTC4284

–48V High Current Hot Swap Controller with Energy

Monitor

Dual Gate Drive, SOA Timer, 8-Bit to 16-Bit ADC Monitors Current, Voltage,

LTC4237

Positive High Voltage Hot Swap Controllers

Active Current Limiting, Foldback Current Limiting, SOA Timer, FET Health

Monitor, Supplies from 6.5V to 80V