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ISL9110IRT7Z is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BUCK BOOST 1.2A 12TDFN. Review the specifications below when checking this part for your BOM.
The ISL9110IRT7Z is a synchronous buck-boost switching regulator IC manufactured by Renesas Electronics. It operates within an input voltage range of 1.8 V to 5.5 V and provides a fixed output voltage of 5 V with a maximum output current of 1.2 A. The device utilizes a 2.5 MHz switching frequency and is housed in a 12-WFDFN (3x3) package with an exposed pad. It supports operation across a temperature range of -40°C to +85°C.
Verify component authenticity through authorized channels as the part status is End-of-Life. Confirm RoHS3 compliance and MSL level 3 handling requirements during storage and assembly. Check for specific manufacturing date codes and lot traceability to ensure quality standards are met for critical applications.
Select this model when a fixed 5V output is required from a single-cell lithium-ion source or similar variable input range. Consider the 1.2A current limit and 2.5MHz frequency for size versus ripple trade-offs. Ensure thermal design accommodates the TDFN-EP-12 package constraints for the intended load conditions.
This component belongs to the ISL9110 series of high-efficiency buck-boost regulators. It shares architectural similarities with other members like the ISL9112, which offers adjustable output voltages. The series is designed for space-constrained portable electronics requiring robust power management from single-cell batteries.
Public confirmed substitute part numbers: None identified.
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