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参数资料
| 型号： | LSP3127SAE |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 5/8页 |
| 文件大小： | 135K |
| 代理商： | LSP3127SAE |
Liteon Semiconductor Corporation
LSP3127
52KHZ 2A PWM Buck DC/DC Converter
Rev1.1
5/8
TYPICAL APPLICATION CIRCUITS
(1) Fixed Output Circuit
(2) Adjustable Output Circuit
Vout=VFB*(1+R1/R2); VFB=1.23V; R2=1K typical
FUNCTION DESCRIPTION
Pin Function
VIN
This is the positive input supply for the IC switching regulator. A suitable input bypass capacitor must be present
at this pin to minimize voltage transients and to supply the switching currents needed by the regulator.
Ground
Circuit ground.
Output
Internal switch. The voltage at this pin switches between (VIN – VSAT) and approximately – 0.5V, with a duty
cycle of approximately VOUT / VIN. To minimize coupling to sensitive circuitry, the PC board copper area
connected to this pin should be kept a minimum.
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