TPS40200 - 宽输入非同步降压 DC/DC 控制器

TPS40200是TI德州仪器公司的一款控制器（外部开关）产品，TPS40200是宽输入非同步降压 DC/DC 控制器，本站介绍了TPS40200的封装应用图解、特点和优点、功能等，并给出了与TPS40200相关的TI元器件型号供参考。

TPS40200 - 宽输入非同步降压 DC/DC 控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Input Voltage Range 4.5 V to 52 V
Output Voltage (700 mV to 90% VIN)
200-mA Internal P-channel FET Driver
Voltage Feed-Forward Compensation
Undervoltage Lockout
Programmable Fixed-Frequency (between 35 kHz and 500 kHz) Operation
Programmable Short-Circuit Protection
Hiccup Overcurrent Fault Recovery
Programmable Closed-Loop Soft-Start
700 mV 1% Reference Voltage
External Synchronization
Small 8-Pin SOIC (D) and VSON (DRB) Packages

产品应用

Industrial Control
Distributed Power Systems
DSL/Cable Modems
Scanners
Telecom

产品说明

The TPS40200 is a flexible, non-synchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52 V with a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52 V without dissipating excessive power. The circuit operates with voltage-mode feedback and has feed-forward input voltage compensation that responds instantly to input voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low voltages. The TPS40200 is available in an 8-pin SOIC and an 8-pin VSON package and supports many of the features of more complex controllers. Clock frequency, soft-start, and overcurrent limits are each easily programmed by a single, external component. The part has undervoltage lockout, and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS40200	VSON (8)	3.00 mm x 3.00 mm
TPS40200	SOIC (8)	4.90 mm x 3.90 mm

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