UC2527AN

DC DC Switching Controllers Overview

The UC2527AN is a regulating pulse width modulator manufactured by Texas Instruments, designed for versatile switching power supply applications. It supports multiple topologies including Boost, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull configurations. The device features two output channels with a maximum duty cycle of 49% and operates within a switching frequency range of 100 Hz to 400 kHz. It provides a regulated output voltage of 5.1 V at an output current capacity of 500 mA. The component functions within a supply voltage range of 8 V to 35 V and is rated for operation between -40°C and +85°C. It utilizes a 16-pin PDIP package.

DC DC Switching Controllers Feature Summary

• Supports multiple converter topologies including boost, flyback, forward, full bridge, half bridge, and push-pull
• Integrates clock synchronization capability for precise timing control
• Includes soft-start functionality to manage inrush currents during startup

DC DC Switching Controllers Applications

• Boost converter designs
• Flyback transformer-based power supplies
• Forward converter implementations
• Full bridge and half bridge isolated power stages
• Push-pull amplifier circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'AN' corresponds to the standard commercial grade variant with through-hole packaging. Confirm that the 16-pin DIP form factor matches the target PCB footprint requirements. Ensure the operating temperature range of -40°C to +85°C aligns with the environmental conditions of the final assembly. Cross-reference the manufacturer part number against official Texas Instruments documentation to confirm current production status and availability constraints.

DC DC Switching Controllers Selection Notes

Select this component when a single IC must support diverse power stage topologies such as push-pull or half-bridge. The integrated clock sync feature is critical for systems requiring phase alignment or noise immunity. Consider the 500 mA drive capability for direct gate driving of moderate-power MOSFETs without additional buffer stages. Evaluate the wide input voltage range suitability for varying line conditions.

DC DC Switching Controllers Part Context

The UC2527AN belongs to the UC2527 series of pulse width modulators from Texas Instruments. It is categorized under PMIC DC/DC switching controllers. This series is engineered for high-performance power management solutions requiring flexible topology support. The device serves as a core control element in various industrial and consumer power conversion architectures.

DC DC Switching Controllers Replacement Considerations

UC2825AN: Offers higher switching frequency up to 1 MHz but lacks explicit clock sync. UC3527AN: Similar topology support but different pin count (PDIP-16 vs PDIP-18) and slightly different electrical characteristics.