uP1586 Datasheet (uPI Semiconductor) - Dual Synchronous Buck Controller

uP1586, Dual Synchronous Buck Controller

The uP1586 is a dual synchronous buck controller with 5V/3.3V 100mA LDOs for notebook system power supply solution.

The uP1586 supports high efficiency, fast transient response and provides a combined POK signal.

The ultrasonic mode maintains the switching frequency above audio frequency, which elim

uP1586 Features

* include overcurrent protection, overvoltage protection, power-up sequencing, power OK output, and thermal shutdown. The uP1586 is available in the space saving package VQFN4x4-24L, specified from -40OC to 85OC. Applications Notebook and Subnotebook System Power Supplies 3-4 Cell Li-Ion Battery-P