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TPS51225 - Step-Down Controller

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.

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Other Datasheets by Texas Instruments

Part Number Description
TPS51225B Step-Down Controller
TPS51225C 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.

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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.