Synchronous Step-Down DCAP2 Mode Converter Evaluation Module


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The TPS54225EVM-538 evaluation module is a single synchronous buck converter providing 1.05V at 2A from 5V to 17V input. The user’s guide describes the TPS54225EVM-538 performance. The TPS54225 is a single, adaptive on-time D-CAP2™ mode synchronous buck converter requiring a very low external component count. The D-CAP2™ control circuit is optimized for low ESR output capacitors such as POSCAP, SP-CAP or ceramic types and features fast transient response with no external compensation. The switching frequency is internally set at a nominal 700 kHz. The high-side and low-side switching MOSFETs are incorporated inside the TPS54225 package along with the gate drive circuitry. The low drain-to-source on resistance of the MOSFETs allow the TPS54225 to achieve high efficiencies and helps keep the junction temperature low at high output currents. The TPS54225 dc/dc synchronous converter is designed to provide up to a 2-A output from an input control voltage source of 4.5V to 18V and an input power voltage source of 2V to 18V. The output voltage range is from 0.76V to 5.5V.

Buck converters (integrated switch)
TPS54225 4.5 V to 18 V input, 2 A synchronous step-down converter in HTSSOP package TPS54225-Q1 Automotive 4.5V to 18V, 2A Synchronous Buck Converter with DCAP2 Mode

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Evaluation board

TPS54225EVM-538 – 2A, 4.5V to 17V Input SWIFT™ Converter Evaluation Module

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Technical documentation

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Type Title Date
Certificate TPS54225EVM-538 EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet 4.5V to 18V Input, 2-A Synchronous Step-Down SWIFT(TM) Converter datasheet (Rev. C) Feb. 14, 2011
User guide TPS54225EVM-538 2-A, SWIFT(TM) Regulator Evaluation Module Nov. 17, 2009

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