UCC28610 Texas instruments

UCC28610

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UCC28610

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Описание

The UCC28610 brings a new level of performance and reliability to the AC and DC consumer power supply solution. A PWM modulation algorithm varies both the switching frequency and primary current while maintaining discontinuous or transition mode operation over the entire operating range. Combined with a cascoded architecture, these innovations result in efficiency, reliability, and system cost improvements over a conventional flyback architecture. The UCC28610 offers a predictable maximum power threshold and a timed response to an overload, allowing safe handling of surge power requirements. Overload fault response is user-programmed for retry or latch-off mode. Additional protection features include output overvoltage detection, programmable maximum on-time, and thermal shutdown.

Cascoded Configuration Allows Fully Integrated
Current Control Without External Sense Resistor
Fast Start Up With Low Standby Power Achieved
by Cascode Configuration
Frequency and Peak Current Modulation for
Optimum Efficiency Over Entire Operating Range
Green-Mode (GM) Burst Switching Packets
Improve No-Load Efficiency
Advanced Overcurrent Protection Limits RMS
Input and Output Currents
Thermal Shutdown
Timed Overload With Retry or Latch-Off
Response
Programmable Opto-Less Output Overvoltage
Protection
Fast Latched Fault Recovery
8-Pin SOIC Package and 8-Pin PDIP Lead-Free
Packages

Control mode	Secondary-side regulation
UVLO thresholds on/off (V)	10.2/8
Duty cycle (max) (%)	100
Switching frequency (max) (kHz)	130
Features	Current limiting, DCM, High-voltage startup, Overvoltage protection, SSR, Soft start
Operating temperature range (°C)	-40 to 125
Rating	Catalog
Topology	Flyback