1 Features

• 1.75V to 5.5V input voltage range

• 2.3μA operating quiescent current

• Up to 4MHz switching frequency

• 0.6A or 1A output current

• 1% output voltage accuracy

• Selectable power save and forced PWM mode

• R2D converter for flexible VOUT setting

• 16 selectable and one fixed output voltages

– TPS62800 (4MHz): 0.4V to 0.775V

– TPS62801 (4MHz): 0.8V to 1.55V

– TPS62802 (4MHz): 1.8V to 3.3V

– TPS62806 (1.5MHz): 0.4V to 0.775V

– TPS62807 (1.5MHz): 0.8V to 1.55V

– TPS62808 (1.5MHz): 1.8V to 3.3V

• Smart enable pin

• Optimized pinout to support 0201 components

• DCS-Control topology

• Output discharge

• 100% duty cycle operation

• Tiny 6-pin, 0.35mm pitch WCSP package

• Supports < 0.6mm design height

• Supports < 5mm2 design size

• Create a custom design using the:

– TPS62800 WEBENCH® Power Designer

– TPS62801 WEBENCH® Power Designer

– TPS62802 WEBENCH® Power Designer

– TPS62806 WEBENCH® Power Designer

– TPS62807 WEBENCH® Power Designer

– TPS62808 WEBENCH® Power Designer

2 Applications

• Wearable electronics, IoT applications

• 2× AA battery-powered applications

• Smartphones

3 Description

The TPS6280x device family is a step-down converter

with 2.3μA typical quiescent current featuring the

highest efficiency and smallest design size. TI's

DCS-Control topology enables the device to operate

with tiny inductors and capacitors with a switching

frequency up to 4MHz. At light load conditions, the

device seamlessly enters power save mode to reduce

switching cycles and maintain high efficiency.

Connecting the VSEL/MODE pin to GND selects a

fixed output voltage. With only one external resistor

connected to VSEL/MODE pin, 16 internally set

output voltages can be selected. An integrated R2D

(resistor-to-digital) converter reads out the external

resistor and sets the output voltage. The same device

part number can be used for different applications

and voltage rails just by changing a single resistor.

Furthermore, the internally set output voltage provides

better accuracy compared to a traditional external

resistor divider network. After the device has started

up, the DC/DC converter enters forced PWM mode by

applying a high level at the VSEL/MODE pin. In this

operating mode, the device runs at a typical 4MHz or

1.5MHz switching frequency, enabling lowest output

voltage ripple and highest efficiency. The TPS6280x

device series comes in a tiny 6-pin WCSP package

with 0.35mm pitch.