IR3638SPBF Просмотр технического описания (PDF) - International Rectifier

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IR3638SPBF

HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER FOR TRACKING APPLIACTIONS

International Rectifier 

IR3638SPbF

Electrical Specifications

Unless otherwise specified, these specification apply over Vcc=Vc=12V, 0oC<Tj< 125oC

Parameter

SYM

Test Condition

Min TYP

Soft Start

Soft Start Current

Soft Start Turn On

ISS

SS (on)

SS=0V

12 22

1.8

2

Output Drivers

LO, Drive Rise Time

HI Drive Rise Time

LO Drive Fall Time

HI Drive Fall Time

Dead Band Time

Tr(Lo)

Tr(Hi)

Tf(Lo)

Tf(Hi)

Tdead

CL=1.5nF, See Fig 3

CL=1.5nF, See Fig 3

CL=1.5nF, See Fig 3

CL=1.5nF, See Fig 3

See Fig 3

30

30

30

30

35 90

MAX

32

2.2

60

60

60

60

150

Units

μA

V

ns

ns

ns

ns

ns

Tr

9V

High Side Driver

(HDrv)

2V

9V

Low Side Driver

(LDrv)

2V

Tf

Tr

Deadband

H_to_L

Tf

Deadband

L_to_H

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

3/19/07

6

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