ISL97701IRZ

Voltage Regulators - DC DC Switching Regulators Overview

The ISL97701IRZ is a high-efficiency boost converter IC manufactured by Renesas Electronics Corporation. It integrates the boost FET, Schottky diode, and input disconnect switch within a single package. The device operates with an input voltage range of 2.3V to 5.5V and supports output voltages up to 28V. It delivers a maximum switch current of 1.2A and functions at a switching frequency of 1MHz. The component utilizes pulse width modulation control mode and is housed in a 10-lead VFDFN (3x3mm) surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates boost FET, Schottky diode, and input disconnect switch for compact design
• Input disconnect FET isolates inductor from input supply during faults or disable states
• Provides zero output current in disabled mode compared to standard converters

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered devices requiring efficient step-up conversion
• Systems utilizing lithium-ion or alkaline battery inputs
• Applications necessitating low quiescent current and minimal standby power consumption

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors as the part may be discontinued. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Ensure ESD handling protocols are followed due to the small form factor. Check for obsolescence notices from Renesas to plan for potential lifecycle transitions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints require integrated passive and active boost elements. Suitable for designs needing precise input voltage regulation within the 2.3V to 5.5V window. Consider thermal performance requirements given the 1.2A switch capability in a small DFN package. Evaluate system efficiency needs against the documented 87% peak efficiency metrics.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9770x series of synchronous and non-synchronous boost regulators designed for portable electronics. It represents Renesas's integration strategy to reduce external component count and PCB area. The device complements other PMIC offerings by providing dedicated high-efficiency DC-DC solutions for specific voltage conversion tasks in mobile applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ISL97702IRZ serves as a related variant within the same family, offering similar topology but potentially different pinout or feature sets. Verify electrical compatibility and mechanical footprint before substitution. Consult official cross-reference documentation for confirmed equivalent parts.