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LP6252 Datasheet(PDF) 2 Page - Lowpower Semiconductor inc

Part # LP6252
Description  Output to Input Disconnect at Shutdown Mode
PDF  8 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP6252 Datasheet(HTML) 2 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP6252
LP6252–00 Version 1.0 Aug.-2014 E-mail: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 2 of 8
Typical Application Circuit
VIN
VIN
LX
EN
GND
OUT
FB
5V
68K
13K
10uF*2
4.7uH
10uF
LP6252
33pF/NC
Functional Pin Description
SOT23-6 TDFN-6 PIN Name
Description
6
1
FB
Regulation Feedback Input. Connect to an external resistive
voltage divider from the output to FB to set the output voltage.
The pin is 0.8V.
5
2
GND
Ground Pin.
4
3
LX
Pin for switching.
3
4
VIN
Voltage supply input pin.
2
5
OUT
Voltage output Pin.
1
6
EN
Chip enable pin. LP6252 will turn on when EN=high, and turn off
when EN=0.
Function Block Diagram
EN
EN
SLOPE
COMPENSAION
CURRENT
SENSER
CURRENT
LIMIT
INTERNAL
COMPENSATION
CONTROL
LOGIC
OSC
LX
FB
VIN
VHIGH
GND
BODY AND VHICH
SELECT
OUT
REF



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