Datasheet > TDA38826

TDA38826

更新时间： 2024-11-26 17:02:11

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
38页	1497K
描述
The TDA38826 is a 20 A fully integrated and highly efficient DC-DC buck regulator. It uses a fast

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TDA38826 数据手册

TDA38826

20 A synchronous Buck regulator

Features



Wide Input Voltage Range: 4 V to 16 V with internal bias and 2.7 V to 16 V with external VCC (3.3 V)

Precision Reference Voltage (0.9 V +/- 0.5%)

Stable with Ceramic Output Capacitors

No External Compensation

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

Selectable Switching Frequency from 600 kHz, 800 kHz, and 1 MHz

Programmable Soft-Start Time with a minimum of 1.5 ms & Enhanced Pre-Bias Start-Up

Voltage Tracking with External Reference Input

Programmable Over Current Protection Limit with internal thermal compensation

Enable input with Voltage Monitoring Capability

Power Good Output

Latch-Off OCP, UVP, Thermal Shutdown, and OVP

Operating Temp: -40 °C < T_j< 125 °C

Small Size: 3 mm x 4 mm QFN-21

Lead-free, Halogen-free and RoHS Compliant

Potential applications



Server Applications

Storage Applications

Telecom & Datacom Applications

Distributed Point of Load Power Architectures

Product validation

Qualified for industrial applications according to the relevant tests of JEDEC47/20/22

Description

The TDA38826 is a 20 A fully integrated and highly efficient dc - dc Buck regulator. It uses a fast Constant On-Time

(COT) control scheme, which simplifies the design efforts and achieves fast transient response while maintaining

excellent line and load regulation. It can operate over a wide range of input voltage (2.7 V to 16 V) using an

external bias supply.

TDA38826 is a versatile regulator, offering switching frequency selectable from 600 kHz, 800 kHz and 1 MHz,

programmable current limit and soft-start time with a minimum of 1.5 ms, Forced Continuous Conduction Mode

(FCCM) and Diode Emulation Mode (DEM) operation. The TDA38826 supports voltage tracking with an external

reference input. It also features important protection functions, such as pre-bias start-up, 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 TDA38826 is available in a standard QFN-21 (3mm x

4mm) package and is able to operate over a wide temperature range (-40 °C < T_j< 125 °C).

Final Datasheet

www.infineon.com

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

page 1 of 38

V 2.0

2023-07-06

12 3 4 5 6 7...38

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