IR3638SPBF datasheet(6/15 Pages) IRF | HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER FOR TRACKING APPLIACTIONS

Part Name

Description

IR3638SPBF

HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER FOR TRACKING APPLIACTIONS ( 15 Page)

IRF

6 page

IR3638SPbF

3/19/07

Parameter

SYM

Test Condition

Min

TYP

MAX

Units

Soft Start

Soft Start Current

ISS

SS=0V

μA

Soft Start Turn On

SS (on)

1.8

2.2

Output Drivers

LO, Drive Rise Time

Tr(Lo)

CL=1.5nF, See Fig 3

HI Drive Rise Time

Tr(Hi)

CL=1.5nF, See Fig 3

LO Drive Fall Time

Tf(Lo)

CL=1.5nF, See Fig 3

HI Drive Fall Time

Tf(Hi)

CL=1.5nF, See Fig 3

Dead Band Time

Tdead

See Fig 3

150

Electrical Specifications

Unless otherwise specified, these specification apply over V

cc=Vc=12V, 0

oC<T

j< 125

High Side Driver

(HDrv)

Low Side Driver

(LDrv)

Deadband

H_to_L

Deadband

L_to_H

Fig. 3: Definition of Rise/Fall time and Deadband Time

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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