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LP3921 Datasheet(PDF) 14 Page - Texas Instruments

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Part # LP3921
Description  Battery Charger Management and Regulator Unit
PDF  41 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP3921 Datasheet(HTML) 14 Page - Texas Instruments

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60 ms
PS_HOLD
LDO1
LDO2
PWR_ON
RESET
LDO4,5,6
LDO3
LDO7
PS_HOLD needs to be asserted while
PWR_ON is high.
30 ms Debounce time
Note: Serial I/F commands only take place
after PS_HOLD is asserted.
87% Reg
87% Reg
< 200 Ps
RX_EN, TX_EN,
TCXO_EN
I
2
C Control
LP3921
SNVS580A – AUGUST 2008 – REVISED MAY 2013
www.ti.com
TECHNICAL DESCRIPTION
DEVICE POWER UP AND SHUTDOWN TIMING
Figure 2. Device Power Up Logic Timing: PWR_ON
14
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LP3921



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