VIPER12AS-E Datasheet

IC型號(hào)：
VIPER12AS-E
PDF描述：
Low Power OFF-Line SMPS Primary Switcher
文件大?。?/label>
453.10KB
PDF頁(yè)數(shù)：
21頁(yè)
芯片廠家：
STMICROELECTRONICS

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VIPer12ADIP - E

VIPer12AS - E

Low Power OFF-Line SMPS Primary Switcher

Features

鈻?/div>

Fixed 60kHZ Switching Frequency

9V to 38V Wide Range V

Voltage

Current Mode Control

Auxiliary Undervoltage Lockout with Hysteresis

High Voltage Start-up Current Source

Overtemperature, Overcurrent and

Overvoltage Protection with Auto-Restart

Typical power capability

鈥?European (195 - 265 Vac) 8W for SO-8,

13W for DIP-8

鈥?European (85 - 265 Vac) 5W for SO-8,

8W for DIP-8

SO-8

DIP-8

鈻?/div>

Description

The VIPer12A combines a dedicated current

mode PWM controller with a high voltage Power

MOSFET on the same silicon chip.

Block diagram

Typical applications cover off line power supplies

for battery charger adapters, standby power

supplies for TV or monitors, auxiliary supplies for

motor control, etc.

The internal control circuit offers the following

benefits:

鈥?Large input voltage range on the V

accommodates changes in auxiliary supply

voltage. This feature is well adapted to

battery charger adapter configurations.

鈥?Automatic burst mode in low load condition.

鈥?Overvoltage protection in HICCUP mode.

DRAIN

ON/OFF

REGULATOR

60kHz

OSCILLATOR

INTERNAL

SUPPLY

OVERTEMP.

DETECTOR

R2 R3 R4

PWM

LATCH

VDD

8/14.5V

BLANKING

OVERVOLTAGE

LATCH

0.23 V

42V

230

鈩?/div>

1 k鈩?/div>

SOURCE

January 2006

DocRev1

1/21

www.st.com

產(chǎn)品培訓(xùn)模塊
VIPerPlus
標(biāo)準(zhǔn)包裝
2,000
類別
集成電路 (IC)
家庭
PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān)
系列
VIPER™
輸出隔離
隔離
頻率范圍
54kHz ~ 66kHz
輸入電壓
8 V ~ 50 V
輸出電壓
730V
功率（瓦特）
5W
工作溫度
25°C ~ 125°C
封裝/外殼
8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝
8-SOICN
包裝
管件
配用
497-6413-ND - BOARD EVAL VIPER12A LP AC/DC497-5084-ND - EVAL BOARD TRAVEL ADAPTOR 3.6W497-5082-ND - EVAL BOARD FLYBACK PWR SUPPLY 6W497-4932-ND - BOARD POWER SUPPLY 1.8W VIPER12A497-4931-ND - BOARD 6W DUAL OUTPUT VIPER12A497-4930-ND - BOARD 6W SINGLE OUTPUT VIPER12A
其它名稱
497-6791-5VIPER12AS-E-ND

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