TPS62151 - 采用 3x3 QFN 封装的 3-17V 1A 降压转换器

TPS62151是TI德州仪器公司的一款转换器（集成开关）产品，TPS62151是采用 3x3 QFN 封装的 3-17V 1A 降压转换器，本站介绍了TPS62151的封装应用图解、特点和优点、功能等，并给出了与TPS62151相关的TI元器件型号供参考。

TPS62151 - 采用 3x3 QFN 封装的 3-17V 1A 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: 3 V to 17 V
Up to 1-A Output Current
Adjustable Output Voltage From 0.9 V to 6 V
Pin-Selectable Output Voltage (nominal, + 5%)
Programmable Soft Start and Tracking
Seamless Power-Save Mode Transition
Quiescent Current of 17 µA (typ.)
Selectable Operating Frequency
Power-Good Output
100% Duty-Cycle Mode
Short-Circuit Protection
Overtemperature Protection
Pin-to-Pin Compatible With TPS6213x, -4x Devices
Available in a 3-mm × 3-mm, VQFN-16 Package

产品应用

Standard 12-V Rail Supplies
POL Supply From Single or Multiple Li-Ion Battery
Solid-State Disk Drives
Embedded Systems
LDO Replacement
Mobile PCs, Tablets, Modems, Cameras
Server, Microserver
Data Terminal, Point of Sales (ePOS)

产品说明

The TPS6215x family is an easy-to-use synchronous step down dc-dc converter optimized for applications with high power density. A high switching frequency of typically 2.5 MHz allows the use of small inductors and provides fast transient response as well as high output-voltage accuracy by the use of DCS-Control topology.

With their wide operating input-voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either Li-Ion or other batteries as well as from 12-V intermediate power rails. The devices support up to 1-A continuous output current at output voltages between 0.9 V and 6 V (in 100% duty-cycle mode).

The soft-start pin controls the output-voltage start-up ramp, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable (EN) and open-drain power-good (PG) pins.

In power-save mode, the devices draw quiescent current of about 17 μA from VIN. Power-save-mode, entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device turns off and current consumption is less than 2 μA.

The device, available in adjustable- and fixed-output-voltage versions, comes in a 16-pin VQFN package measuring 3 × 3 mm (RGT).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS6215X	VQFN (16)	3.00 mm × 3.00 mm

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