Texas Instruments UC3842AD8 1 PWM Controller, 500 kHz 125V 8-Pin, SOIC

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Subtotal (1 pack of 5 units)*

R 69,56

(exc. VAT)

R 79,995

(inc. VAT)

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Last RS stock
  • Plus 90 unit(s) shipping from 04 May 2026
  • Final 525 unit(s) shipping from 11 May 2026

Units
Per unit
Per Pack*
5 - 120R 13.912R 69.56
125 - 495R 13.564R 67.82
500 - 1245R 13.158R 65.79
1250 - 2495R 12.632R 63.16
2500 +R 12.126R 60.63

*price indicative

RS stock no.:
661-5314
Mfr. Part No.:
UC3842AD8
Manufacturer:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

500kHz

Product Type

PWM Controller

Supply Current

4mA

Zero Power Detection

No

Output Current

1A

Mount Type

Surface

Package Type

SOIC

Minimum Supply Voltage

-55V

Pin Count

8

Maximum Supply Voltage

125V

Maximum Duty Cycle

100%

Minimum Operating Temperature

0°C

Maximum Operating Temperature

70°C

PWM Controller Type

Current Mode

Height

1.58mm

Length

4.9mm

Series

UC

Standards/Approvals

RoHS

Automotive Standard

No

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

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