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LP78081 Datasheet(PDF) 2 Page - Lowpower Semiconductor inc

Part # LP78081
Description  600mA High Efficiency Synchronous Buck with 350mA LDO
PDF  8 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP78081 Datasheet(HTML) 2 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP78081
LP78081 – Ver. 1.0 Datasheet
Feb.-2008
Page 2 of 8
Typical Application Circuit
Cf
Vout2
VIN
R1
R2
Vout1
LP78081
4
2
5
6
3
FB
VDD
EN
OUT
SW
2.2uH
Figure 1. LP78081 High Efficiency Step-Down Converter
Functional Pin Description
Pin Number Pin Name
Pin Function
1
GND
Ground.Chip Enable(Active High).
2
VDD
Power Input.
3
SW
Pin For Switching
4
FB
Feedback Input Pin,Reference voltage is 0.612 V
5
EN
Chip Enable.
6
OUT
LDO Output.
Function Block Diagram



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