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

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PHP436.05

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PHP488.40

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Units
Per Unit
Per Pack*
5 - 20PHP87.21PHP436.05
25 - 95PHP84.594PHP422.97
100 - 245PHP82.056PHP410.28
250 - 495PHP79.59PHP397.95
500 +PHP77.20PHP386.00

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RS Stock No.:
526-842
Mfr. Part No.:
UC3843AN
Manufacturer:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

500kHz

Product Type

PWM Controller

Output Voltage

5.2 V

Supply Current

4mA

Zero Power Detection

No

Output Current

1A

Number of Outputs

5

Mount Type

Through Hole

Package Type

PDIP

Minimum Supply Voltage

-55V

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

Height

4.57mm

Standards/Approvals

No

Series

UC

Length

9.81mm

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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