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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 2.1V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.18V @ 120mA
Current - Output 120mA
Current - Quiescent (Iq) 90 μA
Current - Supply (Max) -
PSRR 78dB ~ 54dB (1kHz ~ 100kHz)
Control Features Shutdown
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SC-70-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX8510EXK21+T from Analog Devices Inc./Maxim Integrated is a fixed 2.1V output LDO regulator offering up to 120mA. With an ultra-low dropout of 0.18V and 90 μA quiescent current, it is optimized for battery-powered devices. Its excellent 78dB PSRR at 1kHz ensures clean power for noise-sensitive RF and audio circuits, all in a compact SC-70-5 package.

  • Ultra-Low Dropout: A 0.18V dropout at 120mA allows operation from very low input voltages, maximizing battery utilization.
  • Superior Noise Filtering: 78dB PSRR at 1kHz provides excellent rejection of power supply ripple for sensitive analog and RF loads.
  • Compact and Lightweight: The SC-70-5 package is ideal for miniaturized designs where board space is critical.
  • Low Power Operation: 90 μA quiescent current helps extend standby time in portable devices.

Compact Portable Electronics

The SC-70-5 package and 120mA output make it ideal for MP3 players, digital cameras, and other small handheld devices requiring a stable 2.1V rail.

RF and Wireless Systems

With 78dB PSRR at 1kHz, it effectively filters supply noise for RF oscillators, PLLs, and low-noise amplifiers, improving overall system performance.

Battery-Operated Sensors

The low 90 μA quiescent current and 0.18V dropout help maximize battery life in wireless sensor nodes and remote monitoring devices.

Low-Power Microcontrollers

Provides a clean, regulated 2.1V supply for low-power MCUs and memory chips, ensuring reliable operation in energy-harvesting applications.

Audio Signal Processing

The high PSRR at audio frequencies (1kHz) makes it suitable for powering audio codecs and filters, minimizing power supply induced distortion.

Portable Medical Monitors

Its small size and stable output support continuous operation in wearable heart rate monitors and blood pressure cuffs.

Q: What is the output voltage of the MAX8510EXK21+T?
A: The fixed output voltage is 2.1V.
Q: What is the maximum output current?
A: This LDO can deliver up to 120mA.
Q: What is the dropout voltage?
A: The dropout voltage is 0.18V at a 120mA load.
Q: What is the quiescent current?
A: The quiescent current is 90 μA.
Q: What is the PSRR?
A: PSRR is 78dB at 1kHz and 54dB at 100kHz.
Q: What package is available?
A: It comes in a compact SC-70-5 package.
Base Product Number : MAX8510EXK21
120mA 2.1V Analog Devices High PSRR LDO Linear Regulator Low Dropout Maxim Integrated SC-70-5
Q: What is the output voltage of the MAX8510EXK21+T?
A: The fixed output voltage is 2.1V.
Q: What is the maximum output current?
A: This LDO can deliver up to 120mA.
Q: What is the dropout voltage?
A: The dropout voltage is 0.18V at a 120mA load.
Q: What is the quiescent current?
A: The quiescent current is 90 μA.
Q: What is the PSRR?
A: PSRR is 78dB at 1kHz and 54dB at 100kHz.
Q: What package is available?
A: It comes in a compact SC-70-5 package.