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

This image is representative of the product range

View all PWM
Bulk discount available
View bulk pricing options

Subtotal (1 pack of 5 units)*

$5.62

(exc. GST)

$6.18

(inc. GST)

Add to Basket
Select or type quantity
Last RS stock
  • Plus 15 unit(s) shipping from 08 June 2026
  • Plus 50 unit(s) shipping from 08 June 2026
  • Final 525 unit(s) shipping from 15 June 2026

Units
Per unit
Per Pack*
5 - 20$1.124$5.62
25 +$0.926$4.63

*price indicative

RS Stock No.:
661-5314
Mfr. Part No.:
UC3842AD8
Brand:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Product Type

PWM Controller

Maximum Switching Frequency

500kHz

Supply Current

4mA

Output Current

1A

Zero Power Detection

No

Mount Type

Surface

Package Type

SOIC

Minimum Supply Voltage

-55V

Maximum Supply Voltage

125V

Pin Count

8

Maximum Duty Cycle

100%

Minimum Operating Temperature

0°C

PWM Controller Type

Current Mode

Maximum Operating Temperature

70°C

Series

UC

Height

1.58mm

Standards/Approvals

RoHS

Length

4.9mm

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

Related links

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy