Texas Instruments Standard Linear and Logic UC3845AD8

The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.
Number of PWM Outputs = 1
Control Method = Current
Topology = Boost, Buck, Flyback, Forward
Rise Time = 50ns
Fall Time = 50ns
Maximum Duty Cycle = 50%
Maximum Switching Frequency = 500 kHz
Mounting Type = Surface Mount
Package Type = SOIC
Pin Count = 8

Curr Mode PWM Controller UC3845AD8G4 - Power Management ICs - PWM Current Mode Controllers