Texas Instruments 8-Pin, PDIP UC3843AN 5-Channel PWM Controller, 500 kHz, 125V, Through Hole

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Subtotal (1 pack of 5 units)*

R 171,19

(exc. VAT)

R 196,87

(inc. VAT)

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  • Plus 15 unit(s) shipping from 17 August 2026
  • Plus 10 unit(s) shipping from 24 August 2026
  • Plus 1,000 unit(s) shipping from 27 August 2026
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Units
Per unit
Per Pack*
5 - 20R 34.238R 171.19
25 - 95R 33.382R 166.91
100 - 245R 32.38R 161.90
250 - 495R 31.084R 155.42
500 +R 29.84R 149.20

*price indicative

RS stock no.:
526-842
Mfr. Part No.:
UC3843AN
Manufacturer:
Texas Instruments
Find similar products by selecting one or more attributes.
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Brand

Texas Instruments

Maximum Switching Frequency

500kHz

Product Type

PWM Controller

Supply Current

4mA

Output Voltage

5.2V

Output Current

1A

Zero Power Detection

No

Number of Outputs

5

Mount Type

Through Hole

Minimum Supply Voltage

-55V

Package Type

PDIP

Pin Count

8

Maximum Supply Voltage

125V

Minimum Operating Temperature

0°C

Maximum Duty Cycle

100%

PWM Controller Type

Current Mode

Maximum Operating Temperature

70°C

Series

UC

Length

9.81mm

Height

4.57mm

Width

6.35mm

Standards/Approvals

No

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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