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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Adjustable (Fixed)
Number of Regulators 1
Voltage - Input (Max) 6.5V
Voltage - Output (Min/Fixed) 1.25V (2.85V)
Voltage - Output (Max) 5V
Voltage Dropout (Max) 0.125V @ 150mA (Typ), -
Current - Output 150mA
Current - Quiescent (Iq) 150 µA
Current - Supply (Max) -
PSRR 70db ~ 30dB (1kHz ~ 1MHz)
Control Features Enable
Protection Features Over Temperature
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5
Supplier Device Package TSOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MP8801DJ-2.85-LF-Z is a fixed 2.85V low dropout linear regulator from Monolithic Power Systems, capable of delivering 150mA of output current. It operates from an input voltage range of 1.25V to 5V, with a typical dropout voltage of only 0.125V at full load. The device features a low quiescent current of 150µA and excellent PSRR of 70dB at 1kHz, making it ideal for noise-sensitive portable applications. Housed in a compact TSOT-23-5 package, this LDO is designed for space-constrained electronics requiring a stable and clean power supply.

  • Extended Battery Life: Low 150µA quiescent current reduces standby power consumption in portable devices.
  • High Noise Rejection: 70dB PSRR at 1kHz ensures clean output for sensitive analog and RF circuits.
  • Low Dropout Voltage: Only 0.125V at 150mA allows operation from nearly depleted batteries.
  • Compact Footprint: TSOT-23-5 package saves PCB space for miniaturized designs.

Battery-Powered IoT Sensors

With a low quiescent current of 150µA and a dropout voltage of just 0.125V at 150mA, the MP8801DJ-2.85-LF-Z maximizes battery life in wireless sensor nodes that spend most of their time in sleep mode.

RF Transceiver Power Supply

The 70dB PSRR at 1kHz and 30dB at 1MHz effectively attenuates noise from DC-DC converters, ensuring clean power for RF transceivers and improving signal integrity in communication modules.

Portable Medical Devices

The stable 2.85V output and low dropout performance make this LDO suitable for battery-operated medical monitors, where consistent voltage is critical for accurate sensor readings.

Wearable Electronics

The TSOT-23-5 package (2.9mm x 1.6mm) fits perfectly into compact wearable designs, providing a reliable 2.85V rail for microcontrollers and MEMS sensors.

Audio Codec Power

Low output noise and high PSRR at audio frequencies (1kHz) help reduce hum and interference in portable audio players, delivering cleaner sound quality.

Industrial Control Modules

Operating from a 3.3V or 5V industrial rail, this LDO provides a stable 2.85V supply for analog front-ends and ADCs, ensuring measurement accuracy in noisy factory environments.

Q: What is the output voltage of the MP8801DJ-2.85-LF-Z?
A: The fixed output voltage is 2.85V, ideal for powering low-voltage digital ICs and RF circuits.
Q: What is the maximum output current?
A: This LDO can deliver up to 150mA of continuous output current with a typical dropout voltage of only 0.125V at full load.
Q: What is the input voltage range?
A: The input voltage range is from 1.25V up to 5V, allowing operation from single-cell lithium-ion batteries or 3.3V/5V rails.
Q: What is the quiescent current?
A: The quiescent current is typically 150µA, making it suitable for battery-powered portable devices where low standby power is critical.
Q: What package is available?
A: The MP8801DJ-2.85-LF-Z comes in a compact TSOT-23-5 package, ideal for space-constrained PCB layouts.
Q: Does it have good PSRR?
A: Yes, it offers 70dB PSRR at 1kHz, reducing to 30dB at 1MHz, which helps filter high-frequency noise from switching regulators.
Base Product Number : MP8801DJ-2.85
150mA 2.85V High PSRR LDO Linear Regulator Low Dropout Low Quiescent Current MP8801 MPS TSOT-23-5
Q: What is the output voltage of the MP8801DJ-2.85-LF-Z?
A: The fixed output voltage is 2.85V, ideal for powering low-voltage digital ICs and RF circuits.
Q: What is the maximum output current?
A: This LDO can deliver up to 150mA of continuous output current with a typical dropout voltage of only 0.125V at full load.
Q: What is the input voltage range?
A: The input voltage range is from 1.25V up to 5V, allowing operation from single-cell lithium-ion batteries or 3.3V/5V rails.
Q: What is the quiescent current?
A: The quiescent current is typically 150µA, making it suitable for battery-powered portable devices where low standby power is critical.
Q: What package is available?
A: The MP8801DJ-2.85-LF-Z comes in a compact TSOT-23-5 package, ideal for space-constrained PCB layouts.
Q: Does it have good PSRR?
A: Yes, it offers 70dB PSRR at 1kHz, reducing to 30dB at 1MHz, which helps filter high-frequency noise from switching regulators.