ISL9111AEHADJZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9111AEHADJZ-T7A is a synchronous boost switching regulator manufactured by Renesas Electronics. It operates with an input voltage range of 500 mV to 5.05 V and provides an adjustable output voltage between 2.5 V and 5.25 V. The device delivers a maximum output current of 240 mA at a fixed switching frequency of 1.2 MHz. Packaged in a compact SOT-23-6 surface-mount configuration, it supports PWM/PFM modes with a shutdown feature. The component functions within a temperature range of -20°C to +85°C and exhibits a load regulation of 1.5%.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous boost topology for high efficiency
• Ultra-low start-up voltage capability
• Integrated shutdown control mode

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronics
• Single-cell lithium-ion battery systems
• Low-voltage sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ADJ' confirms the adjustable output variant rather than fixed voltage versions. Confirm the 'EHA' package designation matches the required SOT-23-6 footprint. Ensure the '-T7A' tape and reel specification aligns with automated assembly requirements. Cross-reference the manufacturer date code against moisture sensitivity level constraints during storage.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltages drop below standard regulator thresholds but require stable higher output levels. The low minimum input voltage of 500 mV allows operation from deeply discharged single-cell batteries. The small SOT-23-6 package suits space-constrained designs where thermal dissipation remains manageable under moderate load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9111A series of ultra-low voltage boost regulators. It complements other Renesas PMICs designed for energy harvesting and battery management. The series emphasizes minimal external component counts and high efficiency across varying load currents.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check datasheets for ISL9111 variants with fixed outputs if voltage adjustment is unnecessary. Verify pin compatibility with alternative SOT-23-6 boost regulators offering similar current capabilities.