TPS62081

1

10µF

2.3V .. 6V

V

IN

22µF

180k

V

OUT

POWER GOOD

1.8V

SW

VOS

VIN

EN

GND

MODE

PG

FB

TPS62080, TPS62080A

TPS62081, TPS62082

www.ti.com

SLVSAE8D – SEPTEMBER 2011 – REVISED JULY 2013

1.2A High Efficient Step Down Converter with Snooze Mode

Check for Samples: TPS62080, TPS62080A, TPS62081, TPS62082

1

FEATURES

DESCRIPTION

The TPS6208x devices are a family of high frequency

•

synchronous step down converters. With an input

Regulation

voltage range of 2.3V to 6.0V, common battery

•

Snooze Mode for 6.5µA Ultra Low Quiescent

technologies are supported. Alternatively, the device

Current

can be used for low voltage system power rails.

•

2.3V to 6.0V Input Voltage Range

The TPS6208x focuses on high efficient step down

•

Supports High Output Capacitance up to

conversion over a wide output current range. At

100µF

medium to heavy loads, the converter operates in

PWM mode and automatically enters Power Save

•

100% Duty Cycle for Lowest Dropout

Mode operation at light load currents to maintain high

•

Power Save Mode for Light Load Efficiency

efficiency over the entire load current range. To

•

Output Discharge Function

maintain high efficiency at very low load or no load

currents, a Snooze Mode with an ultra low quiescent

•

Short Circuit Protection

current is implemented, that is enabled by the Mode

•

Power Good Output

pin. This function increases the run-time of battery

•

Thermal Shutdown

driven applications and keeps the standby current at

its lowest level to meet green energy standards

•

Available in 2x2mm 8-Pin SON Package

targeting for a low stand-by current.

APPLICATIONS

To address the requirements of system power rails,

the internal compensation circuit allows a large

•

Battery Powered Portable Devices

selection of external output capacitor values ranging

•

Point of Load Regulators

from 10µF up to 100uF effective capacitance. With its

•

System Power Rail Voltage Conversion

performance and output voltage regulation accuracy

is achieved. The device is available in 2x2mm SON

package with Thermal PAD.

Figure 1. Typical Application of TPS62081 (1.8V Fixed Output)

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.