VIPER53SP13TR datasheet(1/24 Pages) STMICROELECTRONICS

部件名	VIPER53SP13TR

功能描述	OFF LINE PRIMARY SWITCH

PDF	24 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 24 page

June 2004

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VIPer53DIP

VIPer53SP

OFF LINE PRIMARY SWITCH

®

TYPICAL OUTPUT POWER CAPABILITY

Note:

Above power capabilities are given under adequate

thermal conditions

FEATURES

n SWITCHING FREQUENCY UP TO 300 kHz

n CURRENT LIMITATION

n CURRENT MODE CONTROL WITH

ADJUSTABLE LIMITATION

n SOFT START AND SHUT DOWN CONTROL

n AUTOMATIC BURST MODE IN STAND-BY

CONDITION (“BLUE ANGEL” COMPLIANT)

n UNDERVOLTAGE LOCKOUT WITH

HYSTERESIS

n HIGH VOLTAGE STARTUP CURRENT

SOURCE

n OVERTEMPERATURE PROTECTION

n OVERLOAD AND SHORT-CIRCUIT CONTROL

DESCRIPTION

The VIPer53 combines in the same package an

enhanced current mode PWM controller with a

high voltage MDMesh Power Mosfet. Typical

applications cover off line power supplies with a

secondary power capability ranging up to 30W in

wide range input voltage or 50W in single

European voltage range and DIP-8 package, with

the following benefits:

– Overload

and

short

circuit

controlled

by

feedback monitoring and delayed device reset.

– Efficient standby mode by enhanced pulse

skipping.

– Primary regulation or secondary loop failure

protection through high gain error amplifier.

TYPE

European

(195 - 265 Vac)

US / Wide range

(85 - 265 Vac)

DIP-8

50W

30W

PowerSO-10

™

65W

40W

1

10

DIP-8

PowerSO-10™

BLOCK DIAGRAM

FF

OSCILLATOR

150/400ns

BLANKING

1V

4V

OVERTEMP.

DETECTOR

8.4/

11.5V

15V

0.5V

VDD

OSC

DRAIN

TOVL

COMP

SOURCE

PWM

LATCH

ON/OFF

BLANKING TIME

SELECTION

PWM

COMPARATOR

CURRENT

AMPLIFIER

S

R1

R2

R3

R4

R5

Q

8V

4.35V

OVERLOAD

COMPARATOR

18V

4.5V

125k

0.5V

STANDBY

COMPARATOR

OVERVOLTAGE

COMPARATOR

ERROR

AMPLIFIER

UVLO

COMPARATOR

H

COMP

类似零件编号 - VIPER53SP13TR

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