TPS61253A Overview
Key Specifications
Description
Wide input voltage range from 2.3V to 5.5V (TPS61253A, TPS61253F) - Wide input voltage range from 2.5V to 5.5V (Startup>2.6V, TPS61253E) - Fixed output voltage: 4.5 / 4.7 / 5.0 / 5.2V / 5.25V - Two FETs integrated: 35mΩ LS-FET, 60mΩ HS- FET - IOUT ≥ 1500mA continuously at VOUT = 5V and VIN ≥ 3V (TPS61253A, TPS61253F) - IOUT ≥ 1500mA continuously at VOUT = 5.25V and VIN ≥ 3V (TPS61253E) - 42µA quiescent current from input - 4A switching valley current limit (TPS61253A) - 4.5A switching valley current limit (TPS61253E, TPS61253F) - TPS61253E and TPS61253F support 1.2V I/O - TPS612532A output discharge function available - 3.8MHz switching frequency - Selectable Auto PFM, Forced PWM, and Ultrasonic mode - Support pass-through mode - ±2% output voltage accuracy - 600µs soft-start time - Hiccup-mode short protection - Load disconnection during shutdown - Thermal shutdown - Create a custom design using the TPS61253A with the WEBENCH® Power Designer.
