参数资料
型号: LSP3105L18AD
厂商: LITE-ON SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO10
封装: 3 X 3 MM, TDFN-10
文件页数: 2/8页
文件大小: 652K
代理商: LSP3105L18AD
Liteon Semiconductor Corporation
LSP3105
2A Synchronous TDFN3*3-10L Step-Down Converter
Rev1.0
2/8
PIN CONFIGURATION
(Top View)
PIN DESCRIPTION
PIN NUMBER
PIN NAME
PIN FUNCTION
1
EN
Regulator Enable control input. Drive RUN above 1.2V to turn on the part. Drive
RUN below 0.6V to turn it off. In shutdown, all functions are disable drawing <
1A supply current. Do not leave RUN floating.
2
IN
Supply Input Pin. Must be closely decoupled to GND, pin2, with a 2.2F or greater
ceramic capacitor.
3
AIN
Analog supply input pin. Provides bias for internal circuitry.
4,6
AGND
Analog Power Ground Pin
5
FB/Out
Out ( LSP3105-1.8): Output Voltage Feedback Pin. An internal resistive divider
divides the output voltage down for comparison to the internal reference voltage.
FB (LSP3105): Feedback Input Pin. Connected FB to the center point of the
external resistor divider. The feedback threshold voltage is 0.6V.
7,8
LX
Power Switch Output. It is the Switch node connection to inductor. This pin
connects to the drains of the internal P-CH and N-CH MOSFET switches.
9,10
PGND
Power Ground Pin
EP
Power ground exposed pad. Must be connected to bare copper ground plane.
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