ISL9111EH33Z-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9111EH33Z-T is a synchronous boost switching regulator manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 600 mV to 3.1 V and provides a fixed output of 3.3 V. The device supports an output current of 240 mA with a switching frequency of 1.2 MHz. It features a load regulation of 1.5% and functions in temperatures from -20°C to +85°C. Packaged in a SOT-23-6 surface-mount format, this component integrates high-efficiency power management for compact designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced conversion efficiency
• Ultra-low minimum input voltage capability enabling operation from single-cell sources
• Integrated shutdown mode to minimize quiescent current consumption
• Fixed-frequency PWM/PFM control for stable output regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered consumer electronics
• Mobile communication devices requiring efficient step-up regulation
• Low-voltage sensor nodes and IoT modules
• Handheld medical instrumentation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration. Confirm RoHS compliance status through official datasheets as environmental declarations may vary by production batch. Check for obsolescence notices or lifecycle changes directly from Renesas documentation before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a fixed 3.3 V output from low-input voltage sources such as single lithium cells. Ensure the required load current does not exceed 240 mA. Verify that the operating temperature range of -20°C to +85°C aligns with the target application environment and that the SOT-23-6 package fits the board layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9111 series of low-input voltage synchronous boost converters. The series includes variants with different output voltages and current ratings, such as the ISL9111EH30Z-T7A which offers higher current capacity. These components are designed for space-constrained applications requiring high efficiency from minimal input voltages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.