优质开关电源IC VIPER12A 22A
| 价 格： | 1.20 |
| 品牌/商标 | ST | 型号/规格 | VIPER12A VIPER22A |
| 批号 | **** | 封装 | DIP-8 |
| 营销方式 | 厂家直销 | 产品性质 | 热销 |
| 处理信号 | 模拟信号 | 制作工艺 | 半导体集成 |
| 导电类型 | 单极型 | 集成程度 | 小规模 |
| 类型 | 电源模块 |
TYPICAL POWER CAPABILITY
☆★FIXED 60 KHZ SWITCHING FREQUENCY
☆★9V TO 38V WIDE RANGE VDD VOLTAGE
☆★ CURRENT MODE CONTROL
☆★AUXILIARY UNDERVOLTAGE LOCKOUT
WITH HYSTERESIS
☆★ HIGH VOLTAGE START UP CURRENT
SOURCE
☆★OVERTEMPERATURE, OVERCURRENT AND
OVERVOLTAGE PROTECTION WITH
AUTORESTART
DESCRIPTION
The VIPer12A 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.
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