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LM3253 Datasheet(PDF) 2 Page - Texas Instruments

Part # LM3253
Description  LM3253 High-Current Step-Down Converter for 2G/3G/4G RF Power Amplifiers
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3253 Datasheet(HTML) 2 Page - Texas Instruments

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background image
4
3
2
1
Top View
4
3
2
1
Bottom View
A
B
C
D
A
B
C
D
ACB
ACB
BGND
FB
ACB
ACB
BGND
FB
PVIN
PVIN
BP
MODE
PVIN
PVIN
BP
MODE
SW
SW
EN
VCON
SW
SW
EN
VCON
PGND
PGND
SGND
VDD
PGND
PGND
SGND
VDD
LM3253
PVIN VDD
SW
FB
VCON
PGND SGND
EN
MODE
VBATT
VOUT
ACB
BP
VCC_PA_2G
BB or
RFIC
DAC
GPO2
GPO1
BGND
1.5 µH
10 µF
1.0 µF
PA
4.7 µF
PA(s)
VCC_PA_3G
10 µF
LM3253
SNVS791Q – FEBRUARY 2012 – REVISED MAY 2013
www.ti.com
Typical System Application Diagram
Connection Diagram
Figure 1. 16-Bump 0.4 mm Pitch Thin DSBGA Package
2
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Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: LM3253


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