Texas Instruments 5 PWM Controller, 500 kHz 125 V 8-Pin, PDIP

This image is representative of the product range

View all PWM
Bulk discount available

Subtotal (1 tube of 50 units)*

SGD93.60

(exc. GST)

SGD102.00

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 200 unit(s) shipping from 02 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Tube*
50 - 100SGD1.872SGD93.60
150 - 200SGD1.802SGD90.10
250 +SGD1.69SGD84.50

*price indicative

RS Stock No.:
121-8408
Mfr. Part No.:
UC3843AN
Manufacturer:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Maximum Switching Frequency

500kHz

Product Type

PWM Controller

Supply Current

4mA

Output Voltage

5.2 V

Output Current

1A

Zero Power Detection

No

Number of Outputs

5

Mount Type

Through Hole

Minimum Supply Voltage

-55V

Package Type

PDIP

Maximum Supply Voltage

125V

Pin Count

8

Minimum Operating Temperature

0°C

Maximum Duty Cycle

100%

PWM Controller Type

Current Mode

Maximum Operating Temperature

70°C

Width

6.35 mm

Length

9.81mm

Height

4.57mm

Standards/Approvals

No

Series

UC

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