IMP38C45EMA 查看數據表（PDF） - IMP, Inc

零件编号

产品描述 (功能)

生产厂家

IMP38C45EMA

BiCMOS Current-Mode PWM Controllers

IMP, Inc 

IMP38C/HC/42/3/4/5

Application Information

+

UVLO

–

+

–

2R

–

1V COMP

R

+

T

Q

S

Q

R

UVL

Protection

(11)

VD

6 (10)

OUT

(8)

PGND

3 (5)

GND 5 ISNS

AGND (9)

Connection Notes

IMP38C4X, IMP38HC4X (8-Pin Devices)

50% Maximum Duty Cycle:

IMP38C44, IMP38HC44, IMP38C45, IMP38HC45

96% Maximum Duty Cycle:

IMP38C42, IMP38HC42, IMP38C43, IMP38HC43

( ) Pins Are 14-Pin Devices Only

Figure 3. UVL Protection Circuit

38C/HC_06.eps

© 2000 IMP, Inc.

PWM Controllers

7

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