ISL9110AIITAZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9110AIITAZ-T is a high-efficiency buck-boost switching voltage regulator manufactured by Renesas Electronics Corporation. It features an integrated 1.2A power switch and supports input voltages from 1.8V to 5.5V. The device offers selectable forced-PWM mode for low-noise operation and allows synchronization to an external clock. It supports fixed 3.3V and 5V outputs or adjustable outputs down to 1V via an external resistor divider, with maximum output capability up to 5.2V.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports buck, boost, and buck-boost topologies for wide input voltage ranges
• Integrates a 1.2A power switch for compact standalone designs
• Allows selectable forced-PWM mode to minimize output ripple
• Enables external clock synchronization for noise management

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics requiring efficient voltage regulation across varying battery states
• Systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Applications demanding low noise performance in sensitive analog circuits
• Designs requiring flexibility between fixed and adjustable output voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IITAZ' against official Renesas documentation to confirm package type and temperature grade. Ensure compatibility with required output voltage settings and switching frequency configurations before procurement. Cross-reference RoHS compliance status with current manufacturer declarations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltage varies significantly above and below the desired output level. Consider the 1.2A current limit for load requirements. Evaluate the need for forced-PWM mode if audible noise or strict ripple specifications are critical. Verify that the operating temperature range meets system environmental constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9110 family of high-efficiency DC-DC converters. It is designed for applications where space is limited and efficiency is paramount. The device integrates control logic and power switches into a single compact solution, reducing external component count compared to discrete implementations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Renesas substitution guides for verified alternatives within the ISL9110 series. Confirm pinout compatibility and electrical parameter equivalence before replacing.