ETA3458 Datasheet | ETA

2MHz, 3A, COT Synchronous BUCK Converter in SOT563 DESCRIPTION The ETA3458 is a high-efficiency, DC-to-DC step-down switching regulator, capable of delivering up to 3A of output current. The devices operate from an input voltage range of 2.5V to 5.5V and provide output voltages from 0.6V to VIN, making the ETA3458 ideal for low voltage power conversions. ETA3458 adopts an Adaptive COT control scheme that enables very fast transient response and provides a very smooth transition when the output varies from light load to heavy load. The adaptive COT control also maintains a constant switching frequency across line and load. Running at a fixed frequency of 2MHz allows the use of small inductance value and low DCR inductors, thereby achieving higher efficiencies. Other external ponents, such as ceramic input and output caps, can also be small due to higher switching frequency, while maintaining exceptional low noise output voltages. Internal soft-start control circuitry reduces inrush current. Short-circuit and thermal-overload protection improves design reliability. ETA3458 is available in a tiny SOT563 package. Features - Up to 95% Efficiency - Up to 3A Max Output Current - Adaptive COT Control - Ultra-fast load transient response - Forced PWM Mode - 2MHz Frequency - 1% Feedback Accuracy - Adjustable Output from 0.6V - Cycle-by-cycle Over Current Protection - Short Circuit Protection with Hiccup Mode - Stable with Low-ESR Output Ceramic Capacitors - Available in SOT563 Package - Ro HS pliant APPLICATIONS - LCD TV - Set Top Box - IP CAM TYPICAL APPLICATION VIN 22u F 6 OUT 3 VIN SW 2 4 EN FB 5 GND...