UC3527BN

DC DC Switching Controllers Overview

The UC3527BN is a regulating pulse width modulator manufactured by Texas Instruments, designed for versatile power supply topologies including Boost, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull configurations. It features two output channels with a maximum duty cycle of 50 percent. The device operates within a switching frequency range of 100 kHz to 400 kHz and supports an input supply voltage between 8 V and 35 V. It provides a regulated output voltage of 5.1 V and can source up to 500 mA of output current. The component is housed in a 16-pin PDIP package suitable for through-hole mounting, with a specified operating temperature range from 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including push-pull and half-bridge
• Integrated regulating pulse width modulation circuitry
• Dual output channel capability for synchronized control

DC DC Switching Controllers Applications

• Industrial power supply systems
• Telecommunications equipment power stages
• Consumer electronics adapter circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix designation against official Texas Instruments documentation to confirm exact electrical characteristics and package variations. Confirm availability status as this component may be classified as obsolete or end-of-life by the manufacturer. Ensure that any substitute components meet the required thermal and electrical specifications for the intended application environment.

DC DC Switching Controllers Selection Notes

Select this component when designing power supplies requiring support for complex topologies such as full bridge or half bridge configurations. Consider the dual output feature if synchronized drive signals are necessary for transformer-based designs. Evaluate the operating temperature range to ensure compatibility with the environmental conditions of the target system.

DC DC Switching Controllers Part Context

The UC3527 series belongs to Texas Instruments' family of switching controllers and power management integrated circuits. This specific model serves as a pulse width modulator capable of driving various power stages. It is part of the broader PMIC category used for efficient energy conversion and regulation in electronic systems.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The UC3527BN is noted as obsolete in some distributor listings. Consult official Texas Instruments resources for current equivalent recommendations.