IR2125(Old_V) Ver la hoja de datos (PDF) - International Rectifier

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IR2125
(Rev.:Old_V)

CURRENT LIMITING SINGLE CHANNEL DRIVER

International Rectifier 

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IR2125

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Functional Block Diagram

VCC

IN

ERR

COM

UV

DETECT

1.8V

LATCHED

SHUTDOWN

ERROR

TIMING

1.8V

UP

SHIFTERS

HV

LEVEL

SHIFT

UV

DETECT

PULSE

FILTER

R

Q

PRE

DRIVER

R

S

VB

BUFFER

HO

PULSE

GEN

QR

S

PULSE

FILTER

VB

PULSE

GEN

HV

LEVEL

SHIFT

DOWN

SHIFTERS

VS

0.23V

-

+

CS

AMPLIFER

500ns

BLANK

COMPARATOR

Lead Definitions

Lead

Symbol Description

VCC

IN

ERR

Logic and gate drive supply

Logic input for gate driver output (HO), in phase with HO

Serves multiple functions; status reporting, linear mode timing and cycle by cycle logic

shutdown

COM

VB

HO

VS

CS

Logic ground

High side floating supply

High side gate drive output

High side floating supply return

Current sense input to current sense comparator

Lead Assignments

8 Lead DIP

IR2125

Part Number

B-110 CONTROL INTEGRATED CIRCUIT DESIGNERS’ MANUAL

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