Texas Instruments 8-Pin PDIP 5-Channel Current Mode PWM Controller 500 kHz 125V UC3845AN

Texas Instruments UC3845AN is a high-performance, 8-pin PDIP current mode PWM controller designed for power management and regulation. Operating at a maximum switching frequency of 500 kHz, it effectively supports flyback converter applications with constant voltage and constant current output regulation.

With a supply current of only 4 mA and output voltage of 5.2 V, the device ensures efficient power usage while delivering output currents up to 1 A across its 5 channels. The through hole mounting type and PDIP package simplify PCB assembly in diverse electronic applications.

The controller operates within a temperature range of 0°C to 70°C and supports supply voltages from -55 V minimum up to 125 V maximum, enabling robust performance under various industrial and commercial conditions.

This PWM controller features current mode control with a maximum duty cycle of 50%, enhancing control precision and system stability. The physical dimensions of 9.81 mm length, 6.35 mm width, and 4.57 mm height enable compact design layouts in power systems.

The device offers reliable flyback control with primary-side regulation, eliminating the need for an optocoupler and improving transient load response. It is suitable for industrial power supplies, telecommunications equipment, and other electronic systems requiring stable PWM control.

Robust construction and proven Texas Instruments design ensure long operational life and consistent quality. The UC3845AN is a member of the UC series, compatible with related power management applications and easy integration.

Use this PWM controller in industrial plants, manufacturing equipment, and power management modules. Its design optimizes power efficiency and control aspects critical to modern electronic systems.

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