Texas Instruments 8-Pin, SOIC 5-Channel PWM Controller, 500 kHz, 125V, Surface

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HK$447.90

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Units
Per unit
Per Tube*
75 - 75HK$5.972HK$447.90
150 - 225HK$5.843HK$438.23
300 +HK$5.712HK$428.40

*price indicative

RS Stock No.:
922-3451
Mfr. Part No.:
UC3843AD8
Manufacturer:
Texas Instruments
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Brand

Texas Instruments

Product Type

PWM Controller

Maximum Switching Frequency

500kHz

Output Voltage

5.2V

Supply Current

4mA

Output Current

1A

Zero Power Detection

No

Number of Outputs

5

Mount Type

Surface

Minimum Supply Voltage

-55V

Package Type

SOIC

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

Standards/Approvals

No

Height

1.58mm

Width

3.91mm

Length

4.9mm

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

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