Datasheet4U Logo Datasheet4U.com

USR1652 - PRIMARY-SIDE REGULATION PWM POWER SWITCH

Datasheet Summary

Description

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.

Features

  • br>.
  • 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.
  • ”Extended burst mode control” for improved efficiency and minimum standby design.
  • Built-in leading edge blanking (LEB).
  • VDD under voltage lockout.
  • VD.

📥 Download Datasheet

Datasheet preview – USR1652

Datasheet Details

Part number USR1652
Manufacturer UTC
File Size 161.79 KB
Description PRIMARY-SIDE REGULATION PWM POWER SWITCH
Datasheet download datasheet USR1652 Datasheet
Additional preview pages of the USR1652 datasheet.

📁 Similar Datasheet

  • USR100A - RECTIFIERS ASSEMBLIES (Microsemi Corporation)
  • USR100PP12A - Custom snubber module (Origin)
  • USR100QP16 - Custom snubber module (Origin)
  • USR1021 - 3A SYNCHRONOUS BUCK REGULATOR (UNISONIC TECHNOLOGIES)
  • USR1051 - 3A SYNCHRONOUS BUCK REGULATOR (UNISONIC TECHNOLOGIES)
  • USR1101 - 5V 12V SYNCHRONOUS BUCK PWM DC-DC CONTROLLER (UNISONIC TECHNOLOGIES)
  • USR1171 - 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES (Microsemi Corporation)
  • USR1172 - 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES (Microsemi Corporation)
  • USR1173 - 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES (Microsemi Corporation)
  • USR1174 - 11.7 VOLT ULTRA STABLE TEMPERATURE COMPENSATED ZENER REFERENCE DIODES (Microsemi Corporation)
Other Datasheets by UTC
  • USR3651 - HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
  • USR3654A - HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
  • USR5V10X - HIGH PERFORMANCE SYNCHRONOUS RECTIFIER
  • USR5VA10 - SYNCHRONOUS RECTIFIER
  • USR860 - SUPERFAST RECOVERY RECTIFIER
  • USRB01A - HIGH PRECISION CC/CV PRIMARY SIDE SWITCH
  • USRB04 - HIGH PRECISION PRECISION LOW POWER SWITCH
  • USRC8802 - FAST TURN-OFF INTELLIGENT RECTIFIER

Full PDF Text Transcription

Click to expand full text
UNISONIC TECHNOLOGIES CO., LTD USR1652 Preliminary PRIMARY-SIDE REGULATION PWM POWER SWITCH CMOS IC  DESCRIPTION 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. The UTC USR1652 operates in primary-side sensing and regulation. Opto-coupler and TL431 could be eliminated. It operates in fixed frequency mode at large load conditions, frequency reduction mode at light/medium load and ‘Extended burst mode’ at No/light load conditions. So that low standby power can be achieved.
Published: |