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TPS54010 Datasheet

  • TPS54010

  • 2.2V-4.0V, 14A Output Synchronous Buck PWM Switcher w/Integr...

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Typical Size
6,4 mm X 9,7 mm
TPS54010
SLVS509A 鈥?MAY 2004 鈥?REVISED AUGUST 2004
www.ti.com
2.2 鈥?4 -V, 14-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER
WITH INTEGRATED FETs (SWIFT鈩?
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Separate Low-Voltage Power Bus
8-m鈩?MOSFET Switches for High Efficiency at
14-A Continuous Output
Adjustable Output Voltage Down to 0.9 V
Externally Compensated With 1% Internal
Reference Accuracy
Fast Transient Response
Wide PWM Frequency: Adjustable 280 kHz to
700 kHz
Load Protected by Peak Current Limit and
Thermal Shutdown
Integrated Solution Reduces Board Area and
Total Cost
DESCRIPTION
As a member of the SWIFT鈩?family of dc/dc regu-
lators, the TPS54010 low-input voltage, high-output
current synchronous buck PWM converter integrates
all required active components. Included on the
substrate with the listed features are a true, high-
performance, voltage error amplifier that enables
maximum performance under transient conditions
and flexibility in choosing the output filter L and C
components; an undervoltage-lockout circuit to pre-
vent start-up until the VIN input voltage reaches 3 V;
an internally and externally set slowstart circuit to limit
in-rush currents; and a power-good output useful for
processor/logic reset, fault signaling, and supply se-
quencing.
The TPS54010 is available in a thermally enhanced
28-pin TSSOP (PWP) PowerPAD鈩?package, which
eliminates bulky heatsinks.
APPLICATIONS
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Low-Voltage, High-Density Systems With
Power Distributed at 2.5 V, 3.3 V Available
Point of Load Regulation for High-
Performance DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking, and Optical
Communications Infrastructure
SIMPLIFIED SCHEMATIC
2.5 V or 3.3 V
0.68 mH
Input1
350 mF
3.3 V
PVIN
PH
TPS54010
BOOT
PGND
0.047 mF
200 mF
0.1 mF
Output
100
95
90
120 pF
4.64 kW
3300 pF
422 W
10 kW
Efficiency 鈭?%
85
80
75
70
65
14.7 kW
1500 pF
EFFICIENCY
vs
OUTPUT CURRENT
Input2
1 mF
VIN
VBIAS
COMP
AGND VSENSE
1 mF
Compensation
Network
60
55
50
0
2
4
6
8
VIN = 3.3 V,
PVIN = 2.5 V,
V
O
= 1.5 V,
f
s
= 700 kHz
10
12
14
16
I
O
鈭?Output Current 鈭?A
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.
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2004, Texas Instruments Incorporated

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