MB3817 Просмотр технического описания (PDF) - Fujitsu

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Компоненты Описание

производитель

MB3817

Switching Regulator Controller

Fujitsu 

MB3817

s PIN DESCRIPTION

Pin no.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Pin name

CT

RT

+IN

−IN

FB

DTC

CB1

CB2

VCC

OUT

VE

GND

CS

CSCP

15

CTL

16

VREF

I/O

Descriptions

 This terminal connects to a capacitor for setting the triangular-wave frequency.

 This terminal connects to a resistor for setting the triangular-wave frequency.

I Error amplifier non-inverted input terminal

I Error amplifier inverted input terminal

O Error amplifier output terminal

I Dead time control terminal

 Boot capacitor connection terminal

 Boot capacitor connection terminal

 Power supply terminal

O Totem-pole type output terminal

 Output current setting terminal

 Ground terminal

 Soft start setting capacitor connection terminal

 Short detection setting capacitor connection terminal

Power supply control terminal

I When this terminal is High, IC is inactive state

When this terminal is Low, IC is standby state

O Reference voltage output terminal

3

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