ILC7081AIM536X

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

The ILC7081AIM536X is a low dropout (LDO) linear regulator manufactured by Fairchild Semiconductor. It provides a fixed output voltage of 3.6V with a maximum output current capability of 150mA. The device operates within an input voltage range up to 13V and features a typical dropout voltage of 0.3V at full load. Quiescent current is specified at 220µA, with a maximum supply current of 280µA. Power supply rejection ratio (PSRR) ranges from 85dB at 1kHz to 60dB at 1MHz. The component includes enable control functionality and offers protection against overcurrent and thermal overload conditions. It is housed in an 8-SOIC package and supports surface mount installation.

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

• Fixed 3.6V output voltage configuration
• Low dropout performance for efficient power regulation
• Integrated overcurrent and thermal protection mechanisms
• Enable pin control for power management

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

• Battery-powered portable electronics
• Wireless communication devices
• Personal digital assistants (PDAs)
• Cellular phones
• Palmtops and organizers

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

Verify the manufacturer designation as Fairchild Semiconductor or ON Semiconductor, noting that ON Semiconductor acquired Fairchild's semiconductor business. Confirm the specific suffix 'M536' corresponds to the 3.6V fixed output variant. Ensure the package type matches the 8-SOIC specification. Check for RoHS compliance status if required by your manufacturing standards. Validate the part number against official distributor catalogs to ensure authenticity and correct revision level.

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

Select this component when a stable 3.6V rail is required for low-power analog or digital circuits. The 150mA output current suits moderate load applications. Consider the 0.3V dropout voltage for battery-operated systems where input voltage may approach the output level. The 8-SOIC package is suitable for space-constrained PCB designs requiring surface mount technology. Evaluate the 220µA quiescent current impact on overall system efficiency.

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

The ILC7081 series belongs to Fairchild's family of low dropout linear regulators designed for portable electronic applications. These regulators utilize CMOS technology to achieve low quiescent current and small footprint. The series typically includes various fixed output voltage options to accommodate different logic families and sensor requirements. The ILC7081 specifically targets applications needing reliable voltage regulation with minimal external components.

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

Cross-reference with other LDO regulators offering 3.6V output and similar current ratings. Verify pin compatibility and package dimensions before substitution. Ensure replacement parts meet the same electrical specifications for dropout voltage, PSRR, and operating temperature range.