LTC4217(RevC) Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LTC4217
(Rev.:RevC)

2A Integrated Hot Swap Controller

Linear Technology 

LTC4217

FUNCTIONAL DIAGRAM

SENSE

(EXPOSED PAD)

GATE

INTERNAL 7.5mΩ

INTERNAL 25mΩ

SENSE RESISTOR

MOSFET

VDD

OUT

–

CS

+–

+

CM

VDD 1.235V

+

140k *

UV

UV

–

20k *

0.62V +

RST

VDD

–

224k *

OV

+

OV

20k *

1.235V

–

TIMER

VDD

2.73V

–

UVLO1

+

CHARGE

PUMP

AND GATE

DRIVER

OUT

INRUSH

LOGIC

0.2V +

TM1

–

1.235V

+

TM2

–

0.3V/ms

CLAMP

0.6V POSITIVE

TEMPERATURE

COEFFICIENT

REFERENCE

20k

X1

IMON

ISET

FOLDBACK

FB

0.6V

OUT

150k *

PG

20k *

1.235V

PG

INTVCC

100μA

2μA

VDD

3.1V

GEN

UVLO2

2.65V

FLT

INTVCC

*LTC4217-12 (DFN) ONLY

GND

4217 BD

4217fc

8

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