25A4524 Просмотр технического описания (PDF) - Aeroflex Corporation

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производитель

25A4524

RadHard High Speed PWM Controller

Aeroflex Corporation 

Preliminary

VREF

11

VCC

1,24

PWROK SLEEP

10

3

EN

17

50%

2

Undervoltage

Lockout

Cset 8

Rset 9

SOFT 7

Comp 4

VFB 5

Isense 6

Reference

Internal Bias

Internal Enable /

Shutdown Control

Logic & Control

Functions

1.4V

Error Amp

Oscillator

Current Sense

Comparators

SQ

RQ

1V

Duty Cycle

Limiting

(50% or 100%)

Output

Drive

Uncommited

Op-Amp

12

VEE

15

AOUT

16 14

13

ENAUX PIN NIN

DRVP

18,19

OUTA

21

OUTB

20

22, 23

DRVN

FIGURE 1 – Block Diagram

SCD5031 Rev B

2

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