UC3526AN – TEXAS INSTRUMENTS
IC REG CTRLR MULT TOPOLOGY 18DIP
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The UC3526AN is a high-performance pulse-width modulation (PWM) controller designed for DC-DC conversion and switch-mode power supply (SMPS) applications. It operates over an input voltage range of 8 V to 40 V, making it suitable for a variety of power conversion scenarios. The device supports both voltage-mode and current-mode control, enabling flexible power regulation strategies. Key features include dual alternating outputs for push-pull or half-bridge converter topologies, an internal 5 V reference for precision regulation, and programmable soft-start to limit inrush currents. The UC3526AN also integrates protection mechanisms such as overcurrent shutdown and undervoltage lockout to enhance reliability. With a switching frequency of up to 500 kHz, it allows for efficient power conversion with minimal external components. It is widely used in industrial power supplies, motor control applications, and uninterruptible power supplies (UPS) where high efficiency and stable performance are required.
