ISL9012IRKJZ-T

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ISL9012IRKJZ-T is a dual low-dropout linear regulator manufactured by Renesas Electronics Corporation. It features two independent LDO channels with fixed output voltages of 2.8V and 2.85V, capable of sourcing 150mA from Channel 1 and 300mA from Channel 2. The device operates within an input voltage range of 2.3V to 6.5V and maintains a typical quiescent current of 45µA when both outputs are active. It utilizes a 10-lead 3x3mm DFN package and supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrates two high-performance LDOs with separate enable pins for individual control
• Includes a Power-On-Reset (POR) function for the VO2 output with adjustable delay timing
• Features a reference bypass pin to optimize noise filtering and power supply rejection ratio
• Provides soft-start capability to limit input current surge during device activation

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• PDAs, Cell Phones and Smart Phones
• Portable Instruments and MP3 Players
• Handheld Devices including Medical Handhelds

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific output voltage configuration required for the application, as the ISL9012 series offers multiple standard combinations. Confirm that the 10-lead 3x3mm DFN package dimensions align with the target PCB layout. Ensure the external capacitor values selected for the CBYP and CPOR pins meet the stability and timing requirements specified in the datasheet.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a compact dual-output solution is needed for portable electronics. Consider the 150mA and 300mA current capabilities of each channel against the load requirements. Evaluate the need for the integrated POR feature and the ability to tune PSRR via the bypass pin for noise-sensitive designs.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

The ISL9012 belongs to a family of dual LDO regulators designed for mobile computing and consumer markets. It is pin-compatible with certain Micrel devices. The IR suffix indicates industrial temperature range availability, while the KJZ suffix specifies the fixed output voltage combination and RoHS-compliant packaging.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

The datasheet lists ISL9000AIRNJZ, ISL9000AIRNFZ, ISL9000AIRMGZ-T, ISL9000AIRJBZ-T, and ISL9000AIRJNZ-T as recommended replacements for other variants in the series.