Datasheet > TDA38640A-0000

TDA38640A-0000

更新时间： 2025-09-16 18:43:27

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
71页	2751K
描述
OptiMOS? IPOL TDA38640A is an easy-to-use, fully integrated, highly efficient 40 A synchronous buc

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TDA38640A-0000 数据手册

TDA38640A

TDA38640A OptiMOS iPOL

40A Single-voltage Synchronous Buck Regulator with SVID and I2C

Quality Requirement Category: Industrial

Features

•

Single 5 V to 17 V application or Wide Input Voltage Range from 3.0 V to 17 V with external Vcc

Output Voltage Range: 0.25 V to 3.04 V with external feedback resistor divider in SVID mode

Enhanced Fast COT Engine stable with Ceramic output Capacitors and no External Compensation

Optional Forced Continuous Conduction Mode and Diode Emulation for Enhanced Light Load Efficiency

Programmable Switching Frequency from 400 kHz to 2 MHz in steps of 200 kHz, excluding 1600 kHz

Monotonic Startup with Selectable Soft-Start Time via SVID or PMBus Commands & Pre-Bias Startup

Thermally Compensated Internal Over Current Protection with Eight Selectable Settings

I2C system interface for reporting of Temperature, Voltage, Current & Power telemetry

Multiple Time Programming (MTP) with up to 14 writes for the USER section

Digitally programmable load-line without any external components

12 V input current sensing is supported without the need of an external interface circuit

Operating temp: -40 °C < Tj < 125 °C

Small Size: 5 mm x 6 mm PQFN

Lead-free, Halogen-free and RoHS2 Compliant with Exemption 7a

Applications

•

Server Applications

Storage Applications

Telecom & Datacom Applications

Distributed Point of Load Power Architectures

Description

The TDA38640A is an easy-to-use, fully integrated and highly efficient dc-dc regulator with Intel SVID and

I2C/PMBUs interfaces. The controller utilizes Infineon’s fast COT engine which simplifies the design efforts, and

achieves faster transient response.

The onboard PWM controller and OptiMOS™ FETs with integrated bootstrap diode make TDA38640A a small

footprint solution, providing high-efficiency power delivery for low voltage high current applications which may

need an SVID interface.

TDA38640A is a versatile regulator, operating with wide input and output voltage range, offering eight

programmable switching frequency from 400 kHz to 2 MHz excluding 1600 kHz, and providing eight unique

selectable current limits via the PMBUs commands.

It also features important protection functions, like the thermally compensated current limit, over voltage and

under voltage protection, and thermal shutdown to give required system level security in the event of fault

conditions. The part supports programmable digital dc loadline, providing the customer with an additional tool

Final Datasheet

www.infineon.com

Please read the Important Notice and Warnings at the end of this document

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