MAX8867EZK33-T

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

The MAX8867EZK33-T is a low-noise, low-dropout linear regulator manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed 3.3V output with a maximum load current of 150mA. The device operates within an input voltage range of 2.5V to 6.5V and features a typical dropout voltage of 165mV at full load. Quiescent current is specified at 100µA, ensuring efficient power management. It includes comprehensive protection mechanisms such as overcurrent, thermal shutdown, reverse polarity, and short-circuit protection. The component is housed in a compact SOT-23-5 package and supports operation across a temperature range of -40°C to +85°C.

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

• Provides stable 3.3V regulation with low noise characteristics suitable for sensitive analog circuits
• Integrates multiple protection functions including overcurrent, thermal shutdown, and reverse polarity protection
• Features a compact surface-mount SOT-23-5 package for space-constrained designs

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

• Portable battery-powered electronic devices requiring efficient voltage regulation
• RF and communication modules needing low-noise power supplies
• Microcontroller systems requiring stable 3.3V logic levels

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

Verify the exact suffix against official documentation, as 'T' typically indicates tape-and-reel packaging while '+' denotes RoHS compliance. Confirm availability status directly with authorized distributors, as lead times and stock levels fluctuate. Ensure the ordering part number matches the specific package variant required for your PCB layout to avoid compatibility issues during assembly.

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

Select this regulator when a fixed 3.3V output is required with moderate current demands up to 150mA. It is suitable for applications prioritizing low quiescent current and noise performance over high efficiency. Consider the input voltage range limits and thermal dissipation capabilities relative to the expected load conditions and ambient temperature environment.

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

This component belongs to the MAX8867 series of low-dropout linear regulators from Maxim Integrated, now part of Analog Devices. The series is designed for portable applications where battery life and small form factors are critical. The EZK suffix specifically identifies the TSOT-23-5 package variant, distinguishing it from other pin-compatible options like the EUK package.

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

Direct substitutes include MAX8867EUK33+T (SOT-23-5 package) or MAX8868EZK33+T (pin-compatible with similar specifications). Verify pinout compatibility and electrical parameters before substitution.