CS7054 데이터 시트보기 (PDF) - ON Semiconductor

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CS7054

Low Side PWM FET Controller

ON Semiconductor 

CS7054

PACKAGE PIN #

DIP–14

SO–16L

1

1

2

2

3

3

4

4

5

5

6

6

7

7, 8, 15

8

9

9

10

10

11

11

12

12

13

13

14

14

16

PACKAGE PIN DESCRIPTION

PIN SYMBOL

OUTPUT

GND

FLT

COSC

ROSC

CTL

NC

VREG

ISENSE–

ISENSE+

IADJ

INH

PGND

VCC

FUNCTION

MOSFET Gate Drive.

Ground.

Fault time out capacitor.

Oscillator capacitor.

Oscillator resistor.

Pulse width control input.

No connection.

5.0 V linear regulator.

Current sense minus.

Current sense plus.

Current limit adjust.

Output Inhibit.

Power ground for on chip clamp.

Positive power supply input.

GND

VCC

VREG

5.0 V Regulator

VCC

PGND

Clamp

CTL

+

_

Overvoltage

+

_

+

_

Reset

Triangle

Oscillator

OUTPUT

+

_

SQ

R

Current

Sense

Timer

+

Out In

_

INH

ISENSE+

ISENSE–

IADJ

COSC

FLT

ROSC

Figure 2. Block Diagram

http://onsemi.com

4

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