Texas Instruments UC3851N, PWM Current Mode Controller,, 500 kHz 18-Pin PDIP

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Flyback Controller, Voltage Control, Texas Instruments

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.

Flyback Controllers, Texas Instruments

Current-Mode and Voltage-Mode PWM Controller
Primary-Side Regulation
Peak Power Mode
Low Power

Specifications
Attribute Value
Number of PWM Outputs 1
Control Method Current, Voltage
Topology Boost, Buck, Flyback, Forward
Rise Time 50ns
Fall Time 50ns
Maximum Duty Cycle 46%
Maximum Switching Frequency 500 kHz
Mounting Type Through Hole
Package Type PDIP
Pin Count 18
Minimum Operating Temperature 0 °C
Dimensions 22.48 x 6.35 x 4.57mm
Length 22.48mm
Width 6.35mm
Height 4.57mm
Maximum Operating Temperature +70 °C
Discontinued product