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深圳市勤思达科技有限公司
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- 会员年限:14年
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- 地址:深圳市福田区华强北赛格科技园四栋中12楼A4座—2L
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产品信息
品牌:ST
类别:集成电路 (IC)
家庭:PMIC - AC-DC 转换器,离线开关
系列:VIPER™
包装:管件
输出隔离: 隔离
频率范围: 54kHz ~ 66kHz
电压 - 输入:8 V ~ 50 V
电压 - 击穿:730V
电压 - 输出: -
功率 (W): 12W
工作温度: 25°C ~ 125°C
封装/外壳:8-DIP(0.300",7.62mm)
供应商器件封装:8-DIP
其它名称: 497-3286-5
封装:DIP-8
标准包装:2,000

Viper22A应用
•小功率充电器
•小功率适配器
•待机电源DVD、DVB以及其他便携式设备电源
n FIXED 60 KHZ SWITCHING FREQUENCY
n 9V TO 38V WIDE RANGE VDD VOLTAGE
n CURRENT MODE CONTROL
n AUXILIARY UNDERVOLTAGE LOCKOUT
WITH HYSTERESIS
n HIGH VOLTAGE START UP CURRENT
SOURCE
n OVERTEMPERATURE, OVERCURRENT AND
OVERVOLTAGE PROTECTION WITH
AUTORESTART
DESCRIPTION
The VIPer22A combines a dedicated current mode
PWM controller with a high voltage Power
MOSFET on the same silicon chip. 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:
– Large input voltage range on the VDD pin
accommodates changes in auxiliary supply
voltage. This feature is well adapted to battery
charger adapter configurations.
– Automatic burst mode in low load condition.
– Overvoltage protection in hiccup mode.