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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 2
Voltage - Input (Max) 6.5V
Voltage - Output (Min/Fixed) 1.5V, 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) -, 0.12V @ 100mA
Current - Output 300mA, 300mA
Current - Quiescent (Iq) 290 µA
Current - Supply (Max) 220 µA
PSRR 70dB ~ 54dB (10kHz ~ 100kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 85°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-TDFN (3x3)

The MAX8559ETA8A is a dual-output low-dropout regulator from Analog Devices, providing fixed 1.5V and 3.3V rails with 300mA capability per channel. Its 290µA total quiescent current and 70dB PSRR at 10kHz make it ideal for battery-powered devices requiring multiple supply voltages. The compact 8-TDFN (3x3) package integrates two regulators in a small footprint, perfect for space-constrained designs.

  • Integrated Dual Outputs: Two regulated rails (1.5V and 3.3V) in one package save PCB space and simplify power distribution.
  • High Current per Channel: 300mA per output supports a wide range of digital and analog loads.
  • Low Power Consumption: 290µA total quiescent current extends battery life in portable applications.
  • Good Noise Rejection: 70dB PSRR at 10kHz filters switching noise, ideal for RF and audio circuits.

Dual-Rail MCU Systems

Provides both 1.5V core and 3.3V I/O rails from a single LDO, simplifying power sequencing in modern microcontrollers and reducing component count.

FPGA Power Supplies

Supplies separate core and auxiliary voltages for small FPGAs, with 300mA per channel supporting logic and I/O banks in low-power designs.

Smartphone Camera Modules

Powers image sensor analog (3.3V) and digital core (1.5V) rails, with 70dB PSRR at 10kHz ensuring clean supply for high-resolution imaging.

Portable Navigation Devices

Regulates GPS receiver and display driver voltages simultaneously, maintaining stable operation with 290µA total quiescent current for battery conservation.

Wireless Sensor Nodes

Dual outputs power both the RF transceiver (3.3V) and low-voltage MCU (1.5V), optimizing power efficiency in battery-operated IoT devices.

Audio Processing Chains

Separate analog and digital supply rails for audio codecs and DSPs, minimizing digital noise coupling into sensitive analog stages.

Q: What are the output voltages?
A: This is a dual-output LDO with fixed outputs of 1.5V and 3.3V.
Q: What is the maximum output current per channel?
A: Each channel can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: Dropout is 0.12V at 100mA for the 3.3V output; the 1.5V output dropout is not specified.
Q: What is the quiescent current?
A: Total quiescent current is 290µA for both channels.
Q: What package is available?
A: It comes in an 8-TDFN (3x3) package.
Base Product Number : MAX8559ETA8A
1.5V 3.3V 300mA 8-TDFN Analog Devices Dual Output LDO Linear Regulator Low Quiescent Current MAX8559
Q: What are the output voltages?
A: This is a dual-output LDO with fixed outputs of 1.5V and 3.3V.
Q: What is the maximum output current per channel?
A: Each channel can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: Dropout is 0.12V at 100mA for the 3.3V output; the 1.5V output dropout is not specified.
Q: What is the quiescent current?
A: Total quiescent current is 290µA for both channels.
Q: What package is available?
A: It comes in an 8-TDFN (3x3) package.