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TPS54292PWPR Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS54292PWPR
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

TPS54292PWPR Datasheet(HTML) 1 Page - Texas Instruments

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1
2
3
4
16
15
14
13
PVDD2
BOOT2
SW2
PGND2
PVDD1
BOOT1
SW1
PGND1
TPS54290
5
6
7
12
11
10
BP
GND
FB2
EN1
EN2
FB1
V
OUT1
V
IN
UDG-09130
GND
8
9
COMP1
COMP2
V
OUT2
TPS54290, TPS54291, TPS54292
www.ti.com
SLUS973 – OCTOBER 2009
1.5-A/2.5-A Dual, Fully-Synchronous Buck Converter With Integrated MOSFET
Check for Samples :TPS54290 TPS54291 TPS54292
1
FEATURES
APPLICATIONS
Set Top Box
2
4.5 V to 18 V Input Range
Digital TV
Output Voltage Range 0.8 V to DMAX × VIN
Power for DSP
Fully Integrated Dual Buck, 1.5 A/2.5 A
Consumer Electronics
Three Fixed Switching Frequency Versions:
TPS54290 – 300 kHz
DESCRIPTION
TPS54291 – 600 kHz
TPS54290/1/2 is a dual output fully synchronous buck
TPS54292 – 1.2 MHz
converter capable of supporting applications with a
Integrated UVLO
minimal number of external components. It operates
from a 4.5 V to 18 V input supply voltage, and
0.8 VREF With 1% Accuracy (0°C to 85°C)
supports output voltages as low as 0.8 V and as high
Internal Soft-Start
as 90% of the input voltage.
TPS54290 – 5.2 ms
Both high-side and low-side MOSFETs are integrated
TPS54291 – 2.6 ms
to provide fully synchronous conversion with higher
TPS54292 – 1.3 ms
efficiency. Channel1 can provide up to 1.5 A of
continuous current, meanwhile, Channel2 supports
Dual PWM Outputs 180° Out-of-Phase
up to 2.5 A.
Dedicated Enable for Each Channel
Current mode control simplifies the compensation.
Current Mode Control for Simplified
The external compensation adds flexibility for the
Compensation
user to choose different type of output capacitors.
External Compensation
180°
out-of-phase
operation
reduces
the
ripple
Pulse-by-Pulse Overcurrent Protection,
current through the input capacitor, providing the
2.2 A/3.8 A Overcurrent Limit
benefit of reducing input capacitance, alleviating EMI
Integrated Bootstrap Switch
and increasing capacitor life.
Thermal Shutdown Protection at 145°C
16-Pin PowerPAD™ HTSSOP Package
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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