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TPS51275B - Step-Down Controller

Download the TPS51275B datasheet PDF. This datasheet also covers the TPS51275 variant, as both devices belong to the same step-down controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The TPS51275, TPS51275B and TPS51275C are cost-effective, dual-synchronous buck controllers targeted for notebook system-power supply solutions.

It provides 5-V and 3.3-V LDOs and requires few external components.

Key Features

  • 1.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TPS51275-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
TPS51275B-1 Dual Synchronous Step-Down Controller
TPS51275 Step-Down Controller
TPS51275C Step-Down Controller
TPS5120 Two-Phase Synchronous Buck DC/DC Controller
TPS5120-EP Two-Phase Synchronous Buck DC/DC Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TPS51275, TPS51275B, TPS51275C www.ti.com SLUSB45B – JUNE 2012 – REVISED MARCH 2013 Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs FEATURES 1 APPLICATIONS •2 Input Voltage Range: 5 V to 24 V • Notebook Computers • Output Voltages: 5 V and 3.3 V (Adjustable Range ±10%) • Built-in, 100-mA, 5-V and 3.3-V LDOs • Clock Output for Charge-Pump • ±1% Reference Accuracy • Adaptive On-Time D-CAP™ Mode Control Architecture with 300-kHz and 355-kHz Frequency Setting • Auto-skip Light Load Operation (TPS51275, and TPS51275C) • OOA Light Load Operation (TPS51275B) • Internal 0.