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VIPER50/SP

更新时间： 2024-11-16 03:19:59

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
23页	408K
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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VIPER50/SP 数据手册

VIPer50/SP

- VIPer50A/ASP

SMPS PRIMARY I.C.

TYPE

DS(on)

DSS

VIPer50/SP

620V

700V

1.5 A

5 Ω

VIPer50A/ASP

5.7 Ω

■ 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

VIPer50™/50A, 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 / 1.5A).

■ INTERNALLY TRIMMED ZENER REFERENCE

■ UNDERVOLTAGE LOCK-OUT WITH

Typical applications cover off line power supplies

with a secondary power capability of 25W in wide

range condition and 50W 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

VDD

R2 R3

OVERTEMP.

DETECTOR

0.5V

0.5 V

2 V/A

1.7

250 ns

BLANKING

DELAY

CURRENT

AMPLIFIER

ERROR

AMPLIFIER

13 V

4.5 V

COMP

SOURCE

May 2003

1/23

12 3 4 5 6 7...23

中文翻译

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