TPS62150ARGTR

1 Features

• 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 TPS62130 and TPS62140

• Available in a 3-mm × 3-mm, VQFN-16 Package

2 Applications

• 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)

3 Description

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-outputvoltage versions, comes in a 16-pin VQFN package measuring 3 × 3 mm (RGT).

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