TPS62177 - 具有打盹模式的 28V、0.5A 降压转换器

TPS62177是TI德州仪器公司的一款转换器（集成开关）产品，TPS62177是具有打盹模式的 28V、0.5A 降压转换器，本站介绍了TPS62177的封装应用图解、特点和优点、功能等，并给出了与TPS62177相关的TI元器件型号供参考。

TPS62177 - 具有打盹模式的 28V、0.5A 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

DCS-Control™ Topology
Input Voltage Range 4.75 V to 28 V
Quiescent Current Typically 4.8 µA (Sleep Mode)
100% Duty Cycle Mode
Active Output Discharge
Power Good Output
Output Current of 500 mA
Output Voltage Range 1 VDC to 6 V
Switching Frequency of Typically 1 MHz
Seamless Power Save Mode Transition
Undervoltage Lockout
Short Circuit Protection
Over Temperature Protection
Available in 2-mm × 3-mm 10-pin WSON Package

产品应用

General 12 V / 24 V Point Of Load Supply
Ultra Mobile PC, Embedded PC
Low Power Supply for Microprocessor
High Efficiency LDO Alternative
Industrial Sensors

产品说明

The TPS6217x is a high efficiency synchronous step-down DC/DC converter, based on the DCS-Control™ topology.

With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current.

The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it features a sleep mode to supply applications with advanced power save modes like ultra low power micro controllers. The power good output may be used for power sequencing and/or power on reset.

The device features a typical quiescent current of 22 µA in normal mode and 4.8 µA in sleep mode. In sleep mode, the efficiency at very low load currents can be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2 µA and the output is actively discharged.

The TPS6217x, available in an adjustable and a fixed output voltage version, is packaged in a small 2-mm × 3-mm 10-pin WSON package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS6217x	WSON (10)	2.00 mm × 3.00 mm

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