Texas Instruments UC3845N 1 PWM Controller, 500 kHz 125 V 8-Pin, PDIP

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Packaging Options:
RS Stock No.:
660-8089
Mfr. Part No.:
UC3845N
Brand:
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

1

Mount Type

Through Hole

Package Type

PDIP

Minimum Supply Voltage

-55V

Pin Count

8

Maximum Supply Voltage

125V

Minimum Operating Temperature

0°C

Maximum Duty Cycle

50%

PWM Controller Type

Current Mode

Maximum Operating Temperature

70°C

Width

6.35 mm

Height

4.57mm

Length

9.81mm

Series

UC

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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