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TPS51225C - Step-Down Controller

Download the TPS51225C datasheet PDF. This datasheet also covers the TPS51225 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 TPS51225/B/C is a cost-effective, dualsynchronous buck controller 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 (TPS51225-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
TPS51225 Step-Down Controller
TPS51225B Step-Down Controller
TPS51220 Notebook System Power Controller
TPS51220A Notebook System Power Controller
TPS51220A-Q1 Notebook System Power 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
www.ti.com TPS51225, TPS51225B, TPS51225C SLUSAV0B – JANUARY 2012 – REVISED SEPTEMBER 2012 Dual Synchronous, Step-Down Controller with 5-V and 3.3-V LDOs Check for Samples: TPS51225, TPS51225B, TPS51225C FEATURES 1 APPLICATIONS •2 Input Voltage Range: 5.5 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 300kHz/355kHz Frequency Setting • Auto-skip Light Load Operation (TPS51225/C) • OOA Light Load Operation (TPS51225B) • Internal 0.