Analog Devices Inc. LT3065HDD-1.8#TRPBF

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Product attributes Property Value
Manufacturer Analog Devices Inc.
Product Series
Packaging Tape & Reel (TR) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 45V
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.51V @ 500mA
Current - Output 500mA
Current - Quiescent (Iq) 110 μA
Current - Supply (Max) 25 mA
PSRR 74dB (120Hz)
Control Features Current Limit, Enable, Power Good, Soft Start
Protection Features Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 150°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-DFN (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LT3065HDD-1.8 is a fixed 1.8V linear regulator from Analog Devices, offering up to 500mA output current. It features a low dropout of 0.51V and a quiescent current of 110μA. With 74dB PSRR at 120Hz, it delivers clean, stable power. The 10-DFN (3x3mm) package is perfect for compact, high-density designs.

  • Standard Voltage Rail: Fixed 1.8V output is compatible with a wide range of digital ICs, simplifying design.
  • High Current Density: 500mA in a 3x3mm package offers excellent power-to-size ratio.
  • Low Noise Operation: 74dB PSRR ensures minimal ripple, protecting sensitive digital circuits.
  • Energy Efficient: Low quiescent current and dropout reduce power waste, ideal for battery-operated devices.

Digital Core Power

The 1.8V output is perfect for powering the core of FPGAs, ASICs, and high-performance microcontrollers, providing a stable and low-noise supply.

Memory Interfaces

DDR3 and DDR4 memory often require 1.8V for I/O; this LDO ensures clean power for reliable data transfer.

Portable Audio Players

With low quiescent current and high PSRR, it powers audio codecs and amplifiers, minimizing background noise and distortion.

Industrial Control Boards

In PLCs and motor controllers, this regulator provides a stable 1.8V rail for logic and communication interfaces.

Networking Equipment

For switches and routers, the 1.8V rail powers PHY chips and switch fabrics, where reliability is paramount.

Medical Monitoring Devices

Its compact size and low power consumption make it ideal for portable patient monitors and wearable health trackers.

Q: What is the fixed output voltage?
A: This version outputs a fixed 1.8V, a standard rail for many digital ICs.
Q: What is the maximum output current?
A: It can deliver up to 500mA of continuous current.
Q: What is the input voltage range?
A: The minimum input voltage is 1.8V, allowing operation from standard low-voltage rails.
Q: What is the dropout voltage?
A: Dropout is typically 0.51V at 500mA, ensuring efficient operation.
Q: What is the quiescent current?
A: The quiescent current is a low 110μA, suitable for always-on applications.
Q: What package is this available in?
A: It comes in a 10-pin DFN (3x3mm) package.
Base Product Number : LT3065HDD-1.8
10-DFN 500mA Analog Devices Fixed 1.8V LDO Linear Regulator Low Dropout Low Quiescent Current
Q: What is the fixed output voltage?
A: This version outputs a fixed 1.8V, a standard rail for many digital ICs.
Q: What is the maximum output current?
A: It can deliver up to 500mA of continuous current.
Q: What is the input voltage range?
A: The minimum input voltage is 1.8V, allowing operation from standard low-voltage rails.
Q: What is the dropout voltage?
A: Dropout is typically 0.51V at 500mA, ensuring efficient operation.
Q: What is the quiescent current?
A: The quiescent current is a low 110μA, suitable for always-on applications.
Q: What package is this available in?
A: It comes in a 10-pin DFN (3x3mm) package.