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CS5101

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

ON Semiconductor 

CS5101

ORDERING INFORMATION

Device

Package

Shipping†

CS5101EN14

CS5101EN14G

PDIP−14

PDIP−14

(Pb−Free)

25 Units / Rail

CS5101EDW16

CS5101EDW16G

SOIC−16WB

SOIC−16WB

(Pb−Free)

47 Units / Rail

CS5101EDWR16

CS5101EDWR16G

SOIC−16WB

SOIC−16WB

(Pb−Free)

1000 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

VCC

VREF

LGND

VFB

COMP

RAMP

SYNC

CIRCUIT DESCRIPTION

VCC

REF

+

+

Q1

5.0 V OK

UVL +

SLEEP

−

−

+

−

8.0 V/7.0 V

0.7 V

+

−

Q2

5.0 V

24.6 k

5.0 V

−

EA

+

+

−

2.0 V

10 k 10 k

−

BUF

VC

−

+

−

+

PWM

+

5.0 V

+

−

2.4 V

I = 200 mA

QS

LATCH

5.0 V

+

RAMP

−

+

−

1.65 V

5.0 V

+

SYNC

−

+

−

2.5 V

+

−

1.5 V

Q4

G1

QR

+

REF_OK

−

G2

5.0 V

+

−

4.5 V/4.4 V

VCC

−

IS

+

5.0 V

Q3

5.0 V

0.7 V

+

−

−

VCC−OK

+

VCC

VD

VC

VG

PGND

IS COMP

IS−

IS+

Figure 2. Block Diagram

http://onsemi.com

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