USR1652 Overview
The UTC USR1652 is a primary control switch mode charger and adapter applications. The controlled variable is transferred by an auxiliary winding from the secondary to the primary side. The device integrates PWM controller to enhance the performance of discontinuous conduction mode (DCM) flyback converters.
USR1652 Key Features
- FEATURES
- Programmable CV and CC regulation
- Primary-side sensing and regulation with No TL431 and opto-coupler
- Multi-mode operation for high efficiency
- Adjustable constant current and output power setting
- Power on soft-start time (4ms)
- Frequency shuffling and adjustable gate drive greatly improving EMI
- Built-in leading edge blanking (LEB)
- VDD under voltage lockout