CS5101EDWR16 View Datasheet(PDF) - Cherry semiconductor

Part Name

Description

View to exact match

CS5101EDWR16

Secondary Side Post Regulator for AC/DC and DC/DC Multiple Output Converters

Cherry semiconductor 

PACKAGE PIN #

14L PDIP 16L SO Wide

1

1

2

2

3

3

4

5

6

6

7

7

8

8

9

9

10

10

11

11

12, 13

12

14

13

15

14

16

5

4

Package Pin Description

PIN SYMBOL

FUNCTION

SYNC

VCC

VREF

LGnd

VFB

COMP

RAMP

IS+

IS-

IS COMP

PGnd

VG

VC

VD

AGnd

DGnd

Synchronization input.

Logic supply (10V to 45V).

5.0V voltage reference.

Logic level ground (Analog and digital ground tied).

Error amplifier inverting input.

Error amplifier output and compensation.

RAMP programmable with the external capacitor.

Current sense amplifier non-inverting input.

Current sense amplifier inverting input.

Current sense amplifier compensation and output.

Power ground.

External power switch gate drive.

Output power stage supply voltage (8V to 75V).

External FET DRAIN Voltage Monitor.

Analog Ground.

Digital Ground.

Circuit Description

Block Diagram

VCC

VREF

LGnd

VFB

COMP

RAMP

SYNC

VCC

REF

5V

OK

UVL

+

8V/7V

Ð

SLEEP

+

0.7V

Ð

5V

24.6k

5V

Ð

EA

+

+

Ð 2V

5V

+

RAMP

Ð

+

1.65V

Ð

5V

+

SYNC

Ð

+

Ð 2.5V

10k

10k

Ð

BUF

+

+

5V

2.4V

Ð

I = 200mA

+

1.5V

Ð

VC Ð

Ð

+ PWM

+

Q

S

LATCH

Q

R

5V

Q4

G1

REF_OK

+

Ð

G2

4.5V/4.4V

Q1

Q2

VCC

IS

5V

Q3

5V

+

0.7V

Ð

VCC_OK

VD

VC

VG

PGnd

IS COMP

IS-

IS+

VCC

4

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