MAX8888EZK25

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

The MAX8888EZK25 is a fixed-output low-dropout linear regulator manufactured by Analog Devices Inc. under the Maxim Integrated brand. It provides a stable 2.5 V output with a maximum continuous current of 300 mA. The device operates within an input voltage range of 2.5 V to 5.5 V and maintains a typical dropout voltage of 100 mV at full load. Key electrical specifications include a quiescent current of 55 uA, line regulation of 0.15 %/V, and voltage accuracy of 1.2 %. It features thermal shutdown, overcurrent protection, and short-circuit protection. The component is housed in a TSOT-23-5 surface-mount package and supports an operating temperature range from -40°C to +85°C.

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

• Provides a fixed 2.5 V regulated output for sensitive analog and digital loads
• Integrates comprehensive protection mechanisms including thermal shutdown and current limiting
• Operates with minimal power consumption via ultra-low quiescent current design
• Delivers high power supply rejection ratio to maintain stability against input noise

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

• Portable battery-powered electronic devices requiring efficient voltage regulation
• RF circuits and communication modules needing clean power supplies
• Microcontroller systems utilizing 2.5 V logic levels
• Embedded sensor interfaces demanding low-noise performance

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

Verify the exact suffix designation when ordering, as variants such as MAX8888EZK25+T indicate specific packaging configurations like tape and reel. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected variant matches the required output voltage tolerance and package type for the target PCB layout. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

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

Select this regulator when a fixed 2.5 V rail is required with moderate current demands up to 300 mA. Consider the input voltage headroom relative to the dropout characteristics to ensure proper regulation under varying load conditions. Evaluate the thermal dissipation capabilities based on the expected power loss in the application environment. Compare alternative LDOs if adjustable output or higher current capacity is necessary for the system design.

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

The MAX8888EZK25 belongs to the MAX8888 series of low-dropout regulators designed for portable applications. This family emphasizes low power consumption and small form factors suitable for space-constrained designs. The component serves as a critical power management element in systems transitioning from higher voltage sources to lower logic levels. Its integration into the Maxim portfolio highlights its role in providing reliable voltage regulation for consumer electronics.

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

Direct substitutes may include other MAX8888 variants with different fixed output voltages, such as MAX8888EZK18 or MAX8888EZK29, provided the system voltage requirements align. Verify pin compatibility and thermal performance before swapping components. Consult the manufacturer's datasheet for detailed replacement guidelines and electrical parameter comparisons.