ISL9116BIRNZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9116BIRNZ-T is a synchronous step-down DC-DC converter from Renesas, designed for high-efficiency power management in portable and industrial applications. It integrates a high-side and low-side N-channel MOSFETs within a compact package. The device operates with an input voltage range of 2.7V to 5.5V, delivering output currents up to 3A. It features adjustable switching frequencies from 400kHz to 2.2MHz, allowing optimization for size and performance. Key electrical parameters include a quiescent current of 18µA and a shutdown current of 1µA. The converter supports output voltages as low as 0.6V with ±1% accuracy.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal N-channel MOSFETs for enhanced efficiency
• Adjustable switching frequency to optimize external component size and transient response
• Low quiescent current operation extending battery life in portable devices
• Built-in protection mechanisms including over-current, over-temperature, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics such as smartphones and tablets
• Industrial handheld instruments and IoT devices
• Battery-powered consumer gadgets requiring efficient power regulation
• Embedded systems with strict space and power constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Renesas documentation to ensure correct tape-and-reel packaging and temperature grade. Confirm that the supplier provides traceability data consistent with Renesas quality standards. Check for any specific handling requirements related to electrostatic discharge sensitivity during storage and assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when system design requires a compact solution with high efficiency at moderate load currents. Consider the adjustable frequency feature if minimizing passive component footprint is critical. Ensure the input voltage range aligns with the available power source, typically single-cell lithium-ion batteries or regulated 5V rails.

Voltage Regulators - DC DC Switching Regulators Part Context

This model belongs to the ISL9116 family of synchronous buck converters. It shares architectural similarities with other Renesas power management ICs but is distinct in its specific pinout, thermal characteristics, and control loop compensation. It serves as a direct replacement for older generations of non-synchronous or less integrated buck regulators in similar voltage domains.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include other Renesas synchronous buck converters with compatible input ranges and current capabilities. Verify pin-to-pin compatibility and thermal performance before swapping. Cross-reference with equivalent parts from other manufacturers only if functional specifications and interface signals match precisely.