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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6.5V
Voltage - Output (Min/Fixed) 3.8V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.165V @ 150mA (Typ)
Current - Output 150mA
Current - Quiescent (Iq) 180 µA
Current - Supply (Max) 100 µA
PSRR -
Control Features Enable
Protection Features Over Current, Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5

The MAX8877EUK38 is a 150mA low-dropout linear regulator delivering a fixed 3.8V output. Its 180µA quiescent current and 0.165V dropout at full load make it ideal for battery-operated and portable electronics. Housed in a space-saving SOT-23-5 package, it provides clean, stable power for precision analog and mixed-signal circuits.

  • Extended battery life: 180µA quiescent current minimizes standby drain.
  • High efficiency at low voltage: 0.165V dropout preserves headroom.
  • Compact design: SOT-23-5 package saves PCB space.
  • Stable output: Fixed 3.8V with 150mA capability for consistent performance.

Portable Battery-Powered Devices

With a low 180µA quiescent current and 150mA output, the MAX8877EUK38 extends battery life in wearables, remote controls, and IoT sensors.

Precision Analog Circuits

The low dropout of 0.165V at full load ensures stable 3.8V rail even as battery voltage declines, maintaining accuracy for op-amps and ADCs.

Noise-Sensitive RF Modules

Its low-noise LDO architecture minimizes ripple, making it suitable for powering Bluetooth and Zigbee transceivers.

Automotive Interior Electronics

The SOT-23-5 package and thermal performance support dashboard sensors and infotainment controllers requiring clean 3.8V.

Industrial Sensor Interfaces

Reliable regulation from 3.8V input ensures consistent excitation for bridge sensors and signal conditioning circuits.

Space-Constrained PCBs

The compact SOT-23-5 footprint allows dense layout in miniaturized modules and handheld instruments.

Q: What is the output voltage of the MAX8877EUK38?
A: The fixed output voltage is 3.8V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage is 3.8V (typical for regulation).
Q: What is the dropout voltage?
A: The dropout is typically 0.165V at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 180µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.
Base Product Number : MAX8877
150mA 3.8V LDO Linear Regulator Low Dropout Low Quiescent Current MAX8877 SOT-23-5
Q: What is the output voltage of the MAX8877EUK38?
A: The fixed output voltage is 3.8V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage is 3.8V (typical for regulation).
Q: What is the dropout voltage?
A: The dropout is typically 0.165V at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 180µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.