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VIPER100A/ASP

更新时间： 2024-11-29 02:51:23

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
23页	406K
描述
SMPS PRIMARY I.C.

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中文翻译

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数据手册

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VIPER100A/ASP 数据手册

VIPer100/SP

- VIPer100A/ASP

SMPS PRIMARY I.C.

TYPE

DS(on)

DSS

VIPer100/SP

620V

700V

3 A

2.5 Ω

2.8 Ω

VIPer100A/ASP

■ ADJUSTABLE SWITCHING FREQUENCY UP

PENTAWATT HV

(022Y)

TO 200 kHz

PowerSO-10™

■ CURRENT MODE CONTROL

■ SOFT START AND SHUT DOWN CONTROL

■ AUTOMATIC BURST MODE OPERATION IN

STAND-BY CONDITION ABLE TO MEET

“BLUE ANGEL” NORM (<1w TOTAL POWER

CONSUMPTION)

DESCRIPTION

VIPer100™/100A, made using VIPower M0

Technology, combines on the same silicon chip a

state-of-the-art PWM circuit together with an

optimized high voltage avalanche rugged Vertical

Power MOSFET (620V or 700V / 3A).

■ INTERNALLY TRIMMED ZENER REFERENCE

■ UNDERVOLTAGE LOCK-OUT WITH

Typical applications cover off line power supplies

with a secondary power capability of 50 W in wide

range condition and 100W in single range or with

doubler configuration. It is compatible from both

primary or secondary regulation loop despite

using around 50% less components when

compared with a discrete solution. Burst mode

operation is an additional feature of this device,

offering the possibility to operate in stand-by

mode without extra components.

HYSTERESIS

■ INTEGRATED START-UP SUPPLY

■ AVALANCHE RUGGED

■ OVERTEMPERATURE PROTECTION

■ LOW STAND-BY CURRENT

■ ADJUSTABLE CURRENT LIMITATION

BLOCK DIAGRAM

DRAIN

OSC

ON/OFF

OSCILLATOR

SECURITY

LATCH

PWM

LATCH

UVLO

LOGIC

R/S

R2 R3

OVERTEMP.

DETECTOR

0.5V

0.5 V

1.7

DELAY

1 V/A

250 ns

BLANKING

CURRENT

AMPLIFIER

ERROR

AMPLIFIER

13 V

4.5 V

COMP

SOURCE

May 2003

1/23

12 3 4 5 6 7...23

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