YB1421 Datasheet - YuCan

YB1421, 1.5A Boost Regulator

High Efficiency 1MHz, 1.5A Boost Regulator YB1421 Series * INTRODUCTION: The YB1421 is designed for single-cell or dual-cell or triangle-cel.

Features

* z VIN Operation Range: 0.65V to 6.0V z 600mV Feedback Voltage z Output Current 1.4A@VIN≧3.0V z Up to 90% Efficiency z Low Start-Up Voltage: 0.9V@Io=1mA z Low Hold Voltage: 0.75V@Io=1mA z 1.0MHz Fixed Switching Frequency z PWM/PFM Auto Switching Maintains High Efficiency z Over-Thermal and Over-Curr

Applications

* z Solar Battery Charger z White LED Torch z Backup Battery Charger z Boost Application
* TYPICAL APPLICATION CIRCUITS 5 4 MARK 123 SOT23-5 www. szyucan. com TEL:0755-27933516 FAX:0755-27944650 1 High Efficiency 1MHz, 1.5A Boost Regulator YB1421 Series PIN NUMBER SOT23-5 1 2 3 4 5 PI

YB1421-YuCan.pdf