Texas Instruments UC3843AN, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin PDIP

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

Flyback Controller, Current Control, UC18/UC28/UC38 Series, 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
Topology Boost, Buck, Flyback, Forward
Rise Time 50ns
Fall Time 50ns
Maximum Duty Cycle 100%
Maximum Switching Frequency 500 kHz
Mounting Type Through Hole
Package Type PDIP
Pin Count 8
Output Current 1 A
Width 6.35mm
Length 9.81mm
Maximum Operating Temperature +70 °C
Dimensions 9.81 x 6.35 x 4.57mm
Height 4.57mm
Minimum Operating Temperature 0 °C
70 In Global stock for delivery within 4 - 8 working days
Price Each (In a Pack of 5)
PHP 75.99
(exc. VAT)
PHP 85.11
(inc. VAT)
units
Per Unit
Per Pack*
5 - 20
PHP75.99
PHP379.95
25 - 95
PHP68.442
PHP342.21
100 - 245
PHP61.044
PHP305.22
250 - 495
PHP60.38
PHP301.90
500 +
PHP53.568
PHP267.84
*price indicative
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