Analog Devices Inc. LT3066IMSE-3.3#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.26 | $14.26 |
| 15+ | $3.28 | $49.20 |
| 25+ | $3.21 | $80.25 |
| 50+ | $3.03 | $151.50 |
| 100+ | $2.68 | $268.00 |
| N+ | $0.54 | 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) | 125 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 | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 12-MSOP-EP |
| ROHS |
The LT3066IMSE-3.3#PBF is a high-performance low dropout linear regulator from Analog Devices, delivering a fixed 3.3V output with up to 500mA of current. Its ultra-low 125µA quiescent current and excellent 71dB PSRR at 120Hz make it ideal for noise-sensitive and battery-powered applications. The 12-MSOP-EP package offers a compact footprint with enhanced thermal performance.
- Extended Battery Life: Ultra-low 125µA quiescent current minimizes standby power consumption in portable devices.
- Clean Power Delivery: 71dB PSRR at 120Hz effectively filters input ripple, ensuring stable operation for sensitive analog circuits.
- High Efficiency at Low Dropout: 0.51V dropout at 500mA allows operation from batteries close to their end-of-life voltage.
- Compact Thermal Management: The 12-MSOP-EP package with exposed pad dissipates heat efficiently in space-constrained designs.
Battery-Powered Industrial Sensors
The low 125µA quiescent current and 500mA output capability make it ideal for powering precision analog sensors in industrial IoT devices, extending battery life while maintaining stable 3.3V rails.
Automotive ECU Power Supplies
With a wide input voltage range and 71dB PSRR at 120Hz, this LDO provides clean, ripple-free 3.3V power to microcontrollers and CAN transceivers in automotive electronic control units.
Portable Medical Devices
The low dropout of 0.51V at full load ensures efficient operation from a 3.6V Li-ion battery, while the low noise characteristics support sensitive medical monitoring circuits.
Precision Data Acquisition Systems
The high PSRR and low output noise make it suitable for powering ADCs, DACs, and op-amps in high-resolution data acquisition systems, ensuring measurement accuracy.
Telecom Infrastructure
In networking equipment, the LT3066 provides a stable 3.3V supply for FPGA and DSP cores, with the exposed pad package aiding thermal dissipation in compact designs.
Avionics and Defense Electronics
The robust design and wide temperature range support mission-critical avionics systems requiring reliable 3.3V power for flight control computers and navigation modules.
- Q: What is the output voltage of the LT3066IMSE-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 continuous 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 typically 0.51V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 125µA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It comes in a 12-lead MSOP-EP (exposed pad) package.
- Q: What is the output voltage of the LT3066IMSE-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 continuous 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 typically 0.51V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 125µA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: It comes in a 12-lead MSOP-EP (exposed pad) package.

LT3066IMSE-3.3#PBF.pdf