TPS61253E Overview
The TPS61253x device provides a power supply solution for battery-powered portable applications. With the input voltage ranging from 2.3 V to 5.5 V (TPS61253A) or 2.5 V to 5.5 V (TPS61253E), the device supports the applications powered by the Li-Ion batteries with the extended voltage range. Different fixed output voltage versions are available of 4.5 V, 4.7 V, 5 V, 5.2V and 5.25.
TPS61253E Key Features
- Wide input voltage range from 2.3 V to 5.5 V (TPS61253A)
- Wide input voltage range from 2.5 V to 5.5 V (Startup>2.6V, TPS61253E)
- Fixed output voltage: 4.5 / 4.7 / 5.0 / 5.2 V / 5.25 V
- Two FETs integrated: 35-mΩ LS-FET, 60-mΩ HS
- IOUT ≥ 1500-mA continuously at VOUT = 5 V and
- IOUT ≥ 1500-mA continuously at VOUT = 5.25 V
- 42-µA quiescent current from input
- 4-A switching valley current limit
- 3.8-MHz switching frequency
- Selectable auto PFM, forced PWM, and ultrasonic