Analog Devices Inc. ADP322ACPZ-155-R7

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging |
Output Configuration Positive
Output Type Fixed
Number of Regulators 3
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1.5V, 1.8V, 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) -, -, 0.17V @ 200mA
Current - Output 200mA, 200mA, 200mA
Current - Quiescent (Iq) 160 µA
Current - Supply (Max) 380 µA
PSRR -
Control Features Enable
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 16-WFQFN Exposed Pad, CSP
Supplier Device Package 16-LFCSP-WQ (3x3)

The ADP322ACPZ-155-R7 from Analog Devices is a triple-output, low dropout linear regulator designed for space-constrained, multi-rail applications. It delivers fixed 1.5V, 1.8V, and 3.3V outputs, each capable of sourcing 200mA. With a low quiescent current of 160 µA and a compact 16-LFCSP-WQ package, this LDO provides efficient, clean power for sensitive analog, digital, and RF circuits.

  • Compact Multi-Rail Solution: Integrates three independent LDOs in a 3x3mm package, saving PCB area and simplifying power distribution.
  • Low Quiescent Current (160 µA): Enhances battery life in portable devices by minimizing standby power consumption.
  • Stable Fixed Outputs: Provides precise 1.5V, 1.8V, and 3.3V rails, ideal for powering mixed-voltage systems without external resistors.
  • Low Dropout (0.17V @ 200mA): Maintains regulation with minimal headroom, improving efficiency in battery-powered designs.

Multi-Rail Power Supply for Precision Analog Systems

The triple outputs (1.5V, 1.8V, 3.3V) from a single package simplify power sequencing and reduce board space in mixed-signal designs, ensuring clean, stable rails for ADCs, DACs, and op-amps.

FPGA and CPLD Core Logic Supply

Provide dedicated 1.5V or 1.8V core voltages and a separate 3.3V I/O rail from one regulator, minimizing component count and improving reliability in programmable logic applications.

Portable Battery-Powered Devices

With a low 160 µA quiescent current, this LDO extends battery life in handheld instruments, wearables, and remote sensors while powering multiple voltage domains efficiently.

Noise-Sensitive RF and Communication Circuits

The low-dropout architecture and stable output help minimize noise coupling into RF transceivers, VCOs, and PLLs, preserving signal integrity in wireless modules.

Industrial Sensor Interfaces

Power 3.3V sensor bridges and 1.8V digital logic simultaneously, ensuring accurate signal conditioning and stable operation across temperature variations in factory automation.

Automotive Infotainment and Telematics

This triple-output regulator can power microcontrollers, memory, and peripheral interfaces in car audio or navigation systems, offering a compact, high-reliability solution.

Q: What output voltages does the ADP322ACPZ-155-R7 provide?
A: This triple-output LDO provides fixed outputs of 1.5V, 1.8V, and 3.3V.
Q: What is the maximum output current per channel?
A: Each of the three outputs can deliver up to 200mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for full specifications.
Q: What is the dropout voltage for the 3.3V output?
A: The dropout voltage is 0.17V at 200mA load for the 3.3V rail.
Q: What is the quiescent current?
A: The quiescent current is 160 µA.
Q: What package is available?
A: It comes in a 16-LFCSP-WQ (3x3) package.
Base Product Number : ADP322ACPZ-155
1.5V 1.8V 16-LFCSP 200mA 3.3V Analog Devices LDO Linear Regulator Low Quiescent Current Triple Output
Q: What output voltages does the ADP322ACPZ-155-R7 provide?
A: This triple-output LDO provides fixed outputs of 1.5V, 1.8V, and 3.3V.
Q: What is the maximum output current per channel?
A: Each of the three outputs can deliver up to 200mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for full specifications.
Q: What is the dropout voltage for the 3.3V output?
A: The dropout voltage is 0.17V at 200mA load for the 3.3V rail.
Q: What is the quiescent current?
A: The quiescent current is 160 µA.
Q: What package is available?
A: It comes in a 16-LFCSP-WQ (3x3) package.