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TPS53114PW Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS53114PW
Description  SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

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TPS53114
www.ti.com
SLVS887B – APRIL 2009 – REVISED OCTOBER 2010
SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER
FOR LOW VOLTAGE POWER RAILS
Check for Samples: TPS53114
1
FEATURES
Pre-Biased Soft Start
2
D-CAP2™ Mode Control
Selectable Switching Frequency
350 kHz / 700 kHz
Fast Transient Response
Cycle-By-Cycle Over Current Limiting Control
No External Parts Required For Loop
Compensation
Thermally Compensated OCP by 4000 ppm/°C
at ITRIP
Compatible with Ceramic Output
Capacitors
APPLICATIONS
High Initial Reference Accuracy (±1%)
Point-of-Load Regulation in Low Power
Low Output Ripple
Systems for Wide Range of Applications
Wide Input Voltage Range: 4.5 V to 24 V
Digital TV Power Supply
Output Voltage Range: 0.76 V to 5.5 V
Networking Home Terminal
Low-Side RDS(on) Loss-Less Current Sensing
Digital Set Top Box (STB)
Adaptive Gate Drivers with Integrated Boost
DVD Player / Recorder
Diode
Gaming Consoles
Adjustable Soft Start
DESCRIPTION
The TPS53114 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53114
enables system designers to complete the suite of various end equipment's power bus regulators with cost
effective low external component count and low standby current solution. The main control loop for the
TPS53114 uses the D-CAP2™ mode control which provides a very fast transient response with no external
components. The TPS53114 also has a circuit that enables the device to adapt to both low equivalent series
resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The
device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltage from
0.76 V to 5.5 V.
The TPS53114 is available in the 16-pin TSSOP and HTSSOP packages, and is specified from –40°C to 85°C
ambient temperature range.
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
D-CAP2 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009–2010, 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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