Texas Instruments UC3525BN, Dual PWM Voltage Mode Controller, 400 mA, 400 kHz 16-Pin, PDIP

Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): MY
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 2
Control Method Voltage
Topology Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull
Rise Time 100ns
Fall Time 50ns
Maximum Switching Frequency 400 kHz
Mounting Type Through Hole
Package Type PDIP
Pin Count 16
Maximum Duty Cycle 49%
Output Current 400 mA
On/Off Pin Yes
Synchronous Pin Yes
Height 4.57mm
Dimensions 19.3 x 6.35 x 4.57mm
Width 6.35mm
Length 19.3mm
Maximum Operating Temperature +70 °C
Minimum Operating Temperature 0 °C
Typical Operating Supply Voltage 8 → 35 V
Discontinued product
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