TDA38820AUMA1集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF中文资料

TDA38820AUMA1属于集成电路（IC）的稳压器-DC-DC开关稳压器。由英飞凌科技股份公司制造生产的TDA38820AUMA1稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。

Features

 Single 4.3 V to 17 V application or Wide Input Voltage Range from 2.0 V to 17 V with an External VCC

 Precision Reference Voltage (0.6 V +/- 0.5)

 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 600 kHz to 2 MHz

 Monotonic Start-Up with Four Selectable Soft-Start Time & Enhanced Pre-Bias Start-Up

 Thermally Compensated Internal Over Current Protection with Four Selectable Settings

 Enable input with Voltage Monitoring Capability & Power Good Output

 Thermal Shut Down

 Operating Temp: -40 °C < Tj < 125 °C

 Small Size: 4 mm x 5 mm PQFN

 Halogen-free and RoHS2 Compliant with Exemption 7a

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 TDA38820 is an easy-to-use, fully integrated dc - dc Buck regulator. The onboard PWM controller and

OptiMOS™ FETs with integrated bootstrap diode make TDA38820 a small footprint solution, providing highefficient

power delivery. Furthermore, it uses a fast Constant On-Time (COT) control scheme, which simplifies the

design efforts and achieves fast control response.

The TDA38820 has an internal low dropout voltage regulator, allowing operations with a single supply. It can also

operate with an external bias supply, extending the operating input voltage (PVin) range from 2.0 V to 17 V.

The TDA38820 is a versatile regulator, offering programmable switching frequency from 600 kHz to 2 MHz, four

selectable current limits, four selectable soft-start time, Forced Continuous Conduction Mode (FCCM) and Diode

Emulation Mode (DEM) operation.

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.