TPS40055 - 宽输入 (8V-40V) 最高频率 1MHz 的同步降压控制器，具有输出驱动/吸入电流

TPS40055是TI德州仪器公司的一款控制器（外部开关）产品，TPS40055是宽输入 (8V-40V) 最高频率 1MHz 的同步降压控制器，具有输出驱动/吸入电流，本站介绍了TPS40055的封装应用图解、特点和优点、功能等，并给出了与TPS40055相关的TI元器件型号供参考。

TPS40055 - 宽输入 (8V-40V) 最高频率 1MHz 的同步降压控制器，具有输出驱动/吸入电流 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Operating Input Voltage 8 V to 40 V
Input Voltage Feed-Forward Compensation
< 1% Internal 0.7-V Reference
Programmable Fixed-Frequency up to 1-MHz Voltage Mode Controller
Internal Gate-Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
16-Pin PowerPAD™ Package (θJC = 2°C/W)
Thermal Shutdown
Externally Synchronizable
Programmable High-Side Sense Short-Circuit Protection
Programmable Closed-Loop Soft-Start
TPS40054 Source Only
TPS40055 Source and Sink
TPS40057 Source and Sink With VO Prebias

产品应用

Power Modules
Networking and Telecom
Industrial and Servers

产品说明

The TPS4005x is a family of high-voltage, wide-input (8 V to 40 V), synchronous, step-down controllers. The TPS4005x family offers design flexibility with a variety of user-programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients. Near-constant modulator gain with input variation eases loop compensation. The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation using an internal fault counter for longer duration overloads.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS4005x	HTSSOP (16)	5.00 mm x 4.40 mm

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