TPS40200-HT - 高温宽输入非同步降压 DC/DC 控制器

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

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

产品描述

The TPS40200 is a flexible nonsynchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52V, 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 52V, 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. Clock frequency, soft start, and overcurrent limit each are 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.

产品特性

Input Voltage Range 5.5 V to 52 V
Output Voltage (700 mV to 87% VIN)
200-mA Internal P-Channel FET Driver
Voltage Feed-Forward Compensation
Undervoltage Lockout
Programmable Fixed-Frequency (35 kHz to 500 kHz) Operation
Programmable Short-Circuit Protection
Hiccup Overcurrent Fault Recovery
Programmable Closed-Loop Soft Start
700-mV 1% Reference Voltage
External Synchronization
APPLICATIONS
- Down-Hole Drilling
- High Temperature Environments
Supports Extreme Temperature Applications
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Extreme (–55°C/210°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
- Texas Instruments high temperature products utilize highly optimized silicon (die) solutions with design and process enhancements to maximize performance over extended temperatures.

(1) Custom temperature ranges available

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