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参数资料
| 型号： | LSP4301SAD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.84 A SWITCHING CONTROLLER, 66 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 5/8页 |
| 文件大小： | 220K |
| 代理商： | LSP4301SAD |
Liteon Semiconductor Corporation
LSP4301
Low Power Off Line SMPS Primary Switcher
Rev1.0
5/8
PIN ASSIGNMENT AND PACKAGE
PIN Number
PIN name
Pin Function Description
1,2
GND
Power MOSFET source and circuit ground reference.
3
COMP
Feedback input. The useful voltage range extends from 0V to 1V, and
defines the peak drain MOSFET current. The current limitation, which
corresponds to the maximum drain current, is obtained for a COMP pin
shorted to the GND pin.
4
VDD
Power supply of the control circuits. Also provides a charging current
during start up thanks to a high voltage current source connected to
the drain. For this purpose, an hysteresis comparator monitors the
VDD voltage;
5,6,7,8
SW
Power MOSFET drain. Also used by the internal high voltage current
source during start up phase for charging the external VDD capacitor.
TYPICAL APPLICATION CIRCUITS
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