UPSR105 Overview
The UTC UPSR105 is a high performance AC/DC power supply controller for battery charger and adapter applications. It can meet less than 10mW standby power for “Super Star” charger criteria. SOP-8 The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.
UPSR105 Key Features
- Primary Side Control for Eliminating Opto-coupler
- 10mW No-load Input Power
- Flyback Topology in DCM Operation
- External Adjustable Line pensation for CC
- External Adjustable Cable pensation for CV
- Multiple PWM/PFM Control Mode to Improve Audio Noise Efficiency
- VCS Jitter to Reduce System EMI
- Valley-on for the Higher Efficiency and Better EMI
- ORDERING INFORMATION
- Multiple Protections: -Over Voltage Protection (OVP) -Output Short Circuit Protection (SCP) -Transformer Saturation Prot