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
Dimensions 22.48 x 6.35 x 4.57mm
Length 22.48mm
Minimum Operating Temperature 0 °C
Width 6.35mm
Maximum Operating Temperature +70 °C
Height 4.57mm
3 In stock for delivery within 3 working days
Price Each
SGD 32.44
(exc. GST)
SGD 34.71
(inc. GST)
units
Per unit
1 - 9
SGD32.44
10 - 49
SGD31.20
50 - 99
SGD30.09
100 - 249
SGD29.09
250 +
SGD28.18
Due to temporarily constrained supply, RS is unable to accept backorders at this time
Packaging Options:
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