IR21271(2001) View Datasheet(PDF) - International Rectifier

Part Name

Description

Manufacturer

IR21271
(Rev.:2001)

CURRENT SENSING SINGLE CHANNEL DRIVER

International Rectifier 

IR2127(S) / IR21271(S) / IR2128(S)

Functional Block Diagram IR2127/IR21271

VCC

IN

FAULT

COM

QR

S

UP

SHIFTERS

HV

LEVEL

SHIFT

UV

DETECT

PULSE

FILTER

PULSE

GEN

VB

RQ

R

S

DOWN

PULSE SHIFTER

FILTER

PULSE

GEN

QR

S

VB

BUFFER

HO

VS

DELAY

-

CS

+

Functional Block Diagram IR2128

V CC

5V

IN

FAULT

COM

QR

S

UP

SHIFTERS

HV

LEVEL

SHIFT

PULSE

GEN

UV

DETECT

PULSE

FILTER

VB

RQ

R

S

PULSE

FILTER

DOWN

SHIFTER

PULSE

GEN

QR

S

VB

BUFFER

HO

VS

DELAY

-

CS

+

4

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