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TPS82740A, TPS82740B
SLVSCE3A – J...
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TPS82740A, TPS82740B
SLVSCE3A – JUNE 2014 – REVISED JUNE 2014
TPS82740x 360-nA IQ MicroSIPTM Step Down Converter Module for Low Power Applications
1 Features
1 360-nA Typical Quiescent Current Up to 90% Efficiency at 10-µA Output Current Pin-Selectable Output
Voltages in 100-mV Steps Integrated Slew Rate Controlled Load Switch Up to 200-mA Output Current Input
Voltage Range VIN from 2.2 V to 5.5 V RF Friendly DCS-Control™ Low Output
Voltage Ripple Automatic Transition to No Ripple 100% Mode Discharge Function on VOUT and LOAD Sub 1.1-mm Profile Solution Total Solution Size < 6.7mm2 Small 2.3 mm × 2.9 mm MicroSIP™ Package
2 Applications
Bluetooth® Low Energy, RF4CE, Zigbee Wearable Electronics Energy Harvesting
3 Description
The TPS82740 is the industry's first step-down converter module featuring typically 360-nA quiescent current consumption. It is a complete MicroSIPTM DC/DC step-down power solution intended for ultra low-power applications. The module includes the switching regulator, inductor and input/output
capacitors. The integration of all required passive components enables a tiny solution size of only 6.7 mm2.
Figure 1. Typical Application
TPS82740
VIN 2.2 V to 5.5 V
ENABLE VSEL1 VSEL2 VSEL3
DC/DC Converter
L
VIN
SW
CIN
VOUT
GND
EN VSEL1 VSEL2 VSEL3
LOAD CTRL
COUT
VOUT up to 200mA
Switched Supply RON = 0.6Ω
Control for Switched Supply...