Analog Devices Inc. LT3065IDD-3.3#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.27 | $7.27 |
| 15+ | $7.04 | $105.60 |
| 25+ | $6.89 | $172.25 |
| 50+ | $6.50 | $325.00 |
| 100+ | $5.74 | $574.00 |
| N+ | $1.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 45V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.51V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 110 µA |
| Current - Supply (Max) | 25 mA |
| PSRR | 71dB (120Hz) |
| Control Features | Current Limit, Enable, Power Good, Soft Start |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-DFN (3x3) |
| ROHS |
The LT3065IDD-3.3#PBF is a high-performance low dropout linear regulator delivering a fixed 3.3V output at up to 500mA. Its ultra-low 110µA quiescent current and 71dB PSRR at 120Hz make it ideal for noise-sensitive and battery-powered applications. The 510mV dropout at full load ensures efficient operation from low input voltages. Housed in a compact 10-lead DFN package, this regulator offers excellent thermal performance and reliability for industrial, automotive, and portable electronics.
- Extended Battery Life: Ultra-low 110µA quiescent current minimizes standby power consumption, ideal for always-on IoT devices.
- Clean Power Delivery: 71dB PSRR at 120Hz effectively filters ripple from switching converters and AC mains, ensuring stable analog performance.
- High Efficiency at Low Dropout: 510mV dropout at 500mA allows operation from nearly depleted batteries, maximizing usable energy.
- Compact Thermal Solution: 10-lead DFN package with exposed pad provides excellent heat dissipation in space-constrained designs.
Battery-Powered Industrial Sensors
The low 110µA quiescent current and 500mA output capability make it ideal for powering precision analog sensors in remote industrial monitoring systems, extending battery life while maintaining stable 3.3V rail.
Automotive ECU Power Supplies
With 71dB PSRR at 120Hz, this regulator effectively rejects alternator ripple and ignition noise, providing clean 3.3V power to microcontrollers and CAN transceivers in engine control units.
Portable Medical Devices
The low dropout of 510mV at full load allows operation from a 3.8V Li-ion battery down to 3.81V, maximizing usable battery capacity for wearable glucose monitors and portable diagnostic tools.
Noise-Sensitive Audio Equipment
The high PSRR and low output noise characteristics make it suitable for powering audio codecs and DACs in portable music players, ensuring clean 3.3V supply without hum or interference.
FPGA Core Power
For low-power FPGAs requiring 3.3V I/O and core logic, this LDO provides tight regulation and fast transient response, maintaining stable voltage during logic switching events.
Telecom Line Cards
In networking equipment, the 500mA capability and wide input range allow it to derive a clean 3.3V rail from a 5V or 12V backplane supply, reducing board space and component count.
- Q: What is the output voltage of the LT3065IDD-3.3#PBF?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to 45V (not explicitly stated, but typical for this family; verify with datasheet).
- Q: What is the dropout voltage?
- A: The dropout voltage is 510mV at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is only 110µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a 10-lead DFN (3x3mm) package.
- Q: What is the output voltage of the LT3065IDD-3.3#PBF?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to 45V (not explicitly stated, but typical for this family; verify with datasheet).
- Q: What is the dropout voltage?
- A: The dropout voltage is 510mV at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is only 110µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a 10-lead DFN (3x3mm) package.

LT3065IDD-3.3#PBF.pdf