TPS54232 - 具有 Eco-mode 的 3.5V 至 28V 输入、2A、1MHz 降压转换器

TPS54232是TI德州仪器公司的一款转换器（集成开关）产品，TPS54232是具有 Eco-mode 的 3.5V 至 28V 输入、2A、1MHz 降压转换器，本站介绍了TPS54232的封装应用图解、特点和优点、功能等，并给出了与TPS54232相关的TI元器件型号供参考。

TPS54232 - 具有 Eco-mode 的 3.5V 至 28V 输入、2A、1MHz 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

3.5-V to 28-V Input Voltage Range
Adjustable Output Voltage Down to 0.8 V
Integrated 80-mΩ High-Side MOSFET Supports up to 2-A Continuous Output Current
High Efficiency at Light Loads with a Pulse-Skipping Eco-Mode™
Fixed 1-MHz Switching Frequency
Typical 1-μA Shutdown Quiescent Current
Adjustable Slow-Start Limits Inrush Currents
Programmable UVLO Threshold
Overvoltage Transient Protection
Cycle-by-Cycle Current Limit, Frequency Fold Back and Thermal Shutdown Protection
Available in 8-Pin SOIC Package
Supported by WEBENCH® Software Tool (http://www.ti.com/lsds/ti/analog/webench/overview.page)

产品应用

Consumer Applications such as Set-Top Boxes, CPE Equipment, LCD Displays, Peripherals, and Battery Chargers
Industrial and Car Audio Power Supplies
5-V, 12-V, and 24-V Distributed Power Systems

产品说明

The TPS54232 is a 28-V, nonsynchronous buck converter that integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse-skipping Eco-Mode feature is automatically activated. Furthermore, the 1-μA shutdown supply current allows the device to be used in battery-powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle-by-cycle current limit scheme, frequency fold back, and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54232 is available in an 8-pin SOIC package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS54232	SOIC (8)	4.90 mm x 3.90 mm

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