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TPS53015 датащи(PDF) 1 Page - Texas Instruments

номер детали TPS53015
подробное описание детали  Single Synchronous Step-down Controller for Low Voltage Power Rails
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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TPS53015 датащи(HTML) 1 Page - Texas Instruments

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TPS53015
www.ti.com
SLVSBF0B – JULY 2012 – REVISED AUGUST 2012
Single Synchronous Step-down Controller for Low Voltage Power Rails
Check for Samples: TPS53015
1
FEATURES
Power Good Output
OCL/OVP/UVP/UVLO/TSD Protections
2
D-CAP2™ Mode Control
Adaptive Gate Drivers with Integrated Boost
Fast Transient Response
PMOS Switch
No External Parts Required For Loop
Thermally Compensated OCP, 4000 ppm/°C
Compensation
10 pin VSSOP
Compatible with Ceramic Output
Capacitors
APPLICATIONS
High Initial Reference Accuracy (±1%)
Point-of-Load Regulation in Low Power
Wide Input Voltage Range: 4.5 V to 28 V
Systems for Wide Range of Applications
Output Voltage Range: 0.77 V to 7.0 V
Digital TV Power Supply
Low-Side RDS(on) Loss-Less Current Sensing
Networking Home Terminal
1.4 ms Fixed Soft Start
Digital Set Top Box (STB)
Non-Sinking Pre-Biased Soft Start
DVD Player / Recorder
500 kHz Switching Frequency
Gaming Consoles and Other
Cycle-By-Cycle Over Current Limiting Control
Auto-Skip Eco-ModeTM for High Efficiency at
Light load
DESCRIPTION
The TPS53015 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53015
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
TPS53015 uses the D-CAP2™ mode control which provides a very fast transient response with no external
compensation components. The Adaptive on-time control supports seamless transition between PWM mode at
higher load condition and Eco-mode™ operation at light load. Eco-mode™ allows the TPS53015 to maintain high
efficiency during lighter load conditions. The TPS53015 is also able 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 28 V and output voltage from
0.77 V to 7.0 V.
The TPS53015 is available in the 3.0mm x 3.0 mm 10-pin VSSOP (DGS) package, and is specified for an
ambient temperature range of –40°C to 85°C.
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, Eco-mode, Eco-Mode are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, 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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