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TPS61252 Fiches technique(PDF) 8 Page - Texas Instruments

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No de pièce TPS61252
Description  TPS61252 Tiny 1.5-A Boost Converter With Adjustable Input Current Limit
Download  27 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS61252 Fiches technique(HTML) 8 Page - Texas Instruments

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Undervoltage
Lockout
Thermal
Shutdown
Softstart
Control
Logic
PMOS
Averaging
Circuit
1V
I
Error Amp.
AVE
V
REF
g
m
Current
Sense
Current
Sense
V
FB
VOUT
GND
PG
FB
SW
VIN
ILIM
EN
NMOS
PWM
Pulse
Modulator
V
REF
TPS61252
SLVSAG3A – SEPTEMBER 2010 – REVISED DECEMBER 2014
www.ti.com
10 Detailed Description
10.1 Overview
The TPS61252 device provides a power supply solution for products powered by either a three-cell alkaline,
NiCd or NiMH battery, or an one-cell Li-Ion or Li-polymer battery. It has a resistor programmable (RILIM) input
current limit. During light loads the device will automatically enter skip mode (PFM). During shutdown, the load is
completely disconnected from the battery.
10.2 Functional Block Diagram
8
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Copyright © 2010–2014, Texas Instruments Incorporated
Product Folder Links: TPS61252


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