Analog Devices Inc. LT3065HDD-1.8#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.50 | $14.50 |
| 15+ | $3.34 | $50.10 |
| 25+ | $3.27 | $81.75 |
| 50+ | $3.09 | $154.50 |
| 100+ | $2.72 | $272.00 |
| N+ | $0.54 | Price Inquiry |
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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 |
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.
- 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.

LT3065HDD-1.8#TRPBF.pdf