IR2152

V

B

PULSE

GEN

DELAY

HV

LEVEL

SHIFT

V

CC

PULSE

FILTER

DEAD

TIME

LO

V

S

COM

R

S

Q

15.6V

C

T

R

T

UV

DETECT

+

-

+

-

RQ

S

Q

R

R

DEAD

TIME

R

HO

Lead Definitions

Lead

Symbol

Description

Oscillator timing resistor input,in phase with HO for normal IC operation

Oscillator timing capacitor input, the oscillator frequency according to the following equation:

f

=

×+

×

1

1.4 (R

75 ) C

TT

Ω

where 75

High side floating supply

HO

High side gate drive output

High side floating supply return

Low side and logic fixed supply

LO

Low side gate drive output

COM

Low side return

Functional Block Diagram

Lead Assignments

8 Lead DIP

SO-8

IR2151

IR2151S

To Order

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