TPS61023 Overview
Description
TPS61023 device is a synchronous boost converter with 0.5-V ultra-low input voltage. The device provides a power supply solution for portable equipment and smart devices powered by various batteries and super capacitors.
Key Features
- Input voltage range: 0.5 V to 5.5 V
- 1.8-V Minimum input voltage for start-up
- Output voltage setting range: 2.2 V to 5.5 V
- Two 47-mΩ (LS) / 68-mΩ (HS) MOSFETs
- 3.7-A Valley switching current limit
- 94% Efficiency at VIN = 3.6 V, VOUT = 5 V and IOUT = 1.5 A
- 1-MHz Switching frequency when VIN > 1.5 V and 0.5-MHz switching frequency when VIN < 1 V
- Typical 0.1-µA shutdown current from VIN and SW
- ±2.5% Reference voltage accuracy over –40°C to +125°C
- Auto PFM operation mode at light load
