ISL78113AARAZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL78113AARAZ-T7A is an automotive-grade synchronous boost converter designed for low input voltage applications. It operates with a minimum input voltage of 4.7 V and provides an adjustable output voltage range from 3 V to 5.2 V. The device supports a continuous output current of 500 mA with a peak switch current capability of 1.3 A. It features a fixed switching frequency of 2 MHz and is housed in an 8-lead DFN package with an exposed pad. The component is rated for operation between -40°C and +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability suitable for harsh environments
• Synchronous rectification for high efficiency at low input voltages
• Adjustable output voltage via external feedback network
• Compact surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Low-voltage battery-powered automotive modules
• DC-DC conversion for automotive sensors
• Power supply stages in vehicle interior electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix T7A to confirm tape-and-reel packaging. Ensure the order specifies the automotive grade variant to guarantee compliance with temperature and reliability standards. Cross-reference the manufacturer datasheet for pinout compatibility and thermal pad requirements before integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a boost topology is required for inputs starting at 4.7 V. The 2 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 1.3 A switch current limit for transient load handling. The DFN-8 package requires adequate PCB thermal relief due to the exposed pad design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL78113 series of low-input voltage boost converters. It is manufactured by Renesas Electronics, formerly Intersil. The series targets automotive applications requiring efficient power conversion from single-cell lithium-ion or lead-acid batteries. The device integrates a synchronous switch and control logic.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing control loops and thermal management solutions if considering alternative manufacturers. Check for equivalent switching frequencies and current limits to ensure system stability.