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TPS54394 Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS54394
Description  3A Dual Channel Synchronous Step-Down Switcher with Integrated FET
Download  28 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54394 Datasheet(HTML) 6 Page - Texas Instruments

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background image
SW1
VBST1
EN1
VFB2
VFB1
GND
VREG5
PGND1
VO1
VBST2
EN2
SW2
VO2
VIN1
VIN2
5VREG
EN
Logic
EN Logic
Ref1
Ref 2
SS2
SS1
UV2
UV1
UV2
UVLO
UVLO
Fixed
SoftStart
REF
TSD
Ref1
Ref2
- 32
UV1
-32
SS1
SS2
PGND1
PGND2
- 16%
+16%
PG1
- 16%
+16%
PG2
CH1 Min-off timer
CH2 Min-off timer
VIN1
VIN1
VIN2
PGND2
PGND2
SW2
Ref_OCL
OCP2
ZC2
SW2
PGND1
SW1
Ref_OCL
OCP1
ZC1
SW1
Control logic
1.0 µF
Control logic
0.1 µF
PG
Comp
Err
Comp
Protection
Logic
0.1 µF
Err
Comp
PG
Comp
TPS54394
SLVSBE6B – JUNE 2012 – REVISED AUGUST 2013
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
6
Submit Documentation Feedback
Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links :TPS54394


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