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TPS54292 Datasheet(PDF) 9 Page - Texas Instruments

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Part # TPS54292
Description  1.5-A/2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54292 Datasheet(HTML) 9 Page - Texas Instruments

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11
GND
UDG-09124
5
EN1
6
EN2
10 mA
(max)
10 mA
(max)
Internal
Control
Output
Undervoltage
Detect
FB1
FB2
TSD
SD1
SD2
UVLO
2.4 MHz
Oscilator
Divide by
2/4/8
Ramp
Gen 1
Ramp
Gen 2
CLK1
CLK2
f(I
SLOPE1)
f(I
SLOPE2)
7
FB1
+
Soft Start
1
0.8 V
REF
SD1
8
COMP1
10
FB2
+
Soft Start
2
0.8 V
REF
SD2
9
COMP2
f(I
DRAIN1) + DC(ofst)
+
S
Q
Q
R
R
+
Current
Comparator
BP
2
1
3
Anti-Cross
Conduction
BP
CLK1
BOOT1
PVDD1
SW1
f(I
DRAIN1)
f(I
MAX1)
Overcurrent Comp
f(I
SLOPE1)
I
DRAIN1
FET
Switch
CLK1
4
PGND1
f(I
DRAIN2) + DC(ofst)
+
S
Q
Q
R
R
+
Current
Comparator
BP
15
16
14
Anti-Cross
Conduction
BP
CLK2
BOOT2
PVDD2
SW2
f(I
DRAIN2)
f(I
MAX2)
Overcurrent Comp
f(I
SLOPE2)
I
DRAIN2
FET
Switch
CLK2
13 PGND2
12
BP
5.25-V
Regulator
References
PVDD2
FET
Switch
TPS54290, TPS54291, TPS54292
www.ti.com
SLUS973 – OCTOBER 2009
BLOCK DIAGRAM
Figure 11. Block Diagram
Copyright © 2009, Texas Instruments Incorporated
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9
Product Folder Link(s) :TPS54290 TPS54291 TPS54292


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