TPS65233

www.ti.com

SLVSC22A – AUGUST 2013 – REVISED SEPTEMBER 2013

Check for Samples: TPS65233

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FEATURES

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Compliant with main satellite receiver systems

Specifications

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DiSEqC 1.x Compatible

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LNB Short Circuit Dynamic Pprotection

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Supports 5-V and 12-V Power Bus

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Diagnostics for Output Voltage Level, Input

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Up to 1000-mA Accurate Output Current Limit

Supply UVLO, and DiSEqC Tone Output

Adjustable by External Resistor and I2C

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Cable Disconnect Diagnostic

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Power Switch

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Available in a 16-Pin QFN 3-mm x 3-mm (RTE)

Package

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Low Noise, Low Drop Output With Push-Pull

APPLICATIONS

Output Stage

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Set Top Box Satellite Receiver

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Built-In Accurate 22-kHz Tone Generator or

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TV Satellite Receiver

External Pin

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PC Card Satellite Receiver

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Adjustable Soft-Start and 13-V/18-V Voltage

Transition Time

DESCRIPTION/ORDERING INFORMATION

interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-

converter in the antenna dish or to the multi-switch box. It offers a complete solution with very low component

TPS65233 features high power efficiency. The boost converter integrates a 120-m

Ω power MOSFET running at

500-kHz switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65233

provides multiple ways to generate the 22-kHz signal. Integrated linear regulator with push-pull output stage

generates clean 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear

available for system monitoring.

The part is available in a 16-pin QFN 3-mm x 3-mm (RTE) package.

PART NUMBER

TOP-SIDE MARKING

-40°C to 85°C

16-Pin (QFN) - RTE

Reel of 2500

TPS65233RTE

TPS65233RTE

(1)

For the most current packaging and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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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.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, 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.