Linear Technology LT3089ER#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.64 | $17.64 |
| 15+ | $4.06 | $60.90 |
| 25+ | $3.97 | $99.25 |
| 50+ | $3.75 | $187.50 |
| 100+ | $3.31 | $331.00 |
| N+ | $0.66 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Linear Technology |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0V |
| Voltage - Output (Max) | 34.5V |
| Voltage Dropout (Max) | 1.65V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 50.5 µA |
| Current - Supply (Max) | 3 mA |
| PSRR | 90dB ~ 20dB (120Hz ~ 1MHz) |
| Control Features | Current Limit |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-8, D2PAK (7 Leads + Tab), TO-263CA |
| Supplier Device Package | 7-DDPAK |
| ROHS |  |
The LT3089ER#TRPBF is a high-performance linear regulator from Linear Technology, delivering up to 800mA with an adjustable output up to 34.5V. Its exceptionally low 50.5 µA quiescent current and high PSRR (90dB at 120Hz) make it ideal for battery-powered and noise-sensitive applications. The 7-DDPAK package ensures efficient heat dissipation for demanding industrial and instrumentation designs.
- Ultra-Low Quiescent Current (50.5 µA): Maximizes battery life in portable and always-on applications.
- High PSRR (90dB @ 120Hz): Provides clean, ripple-free output for sensitive analog and RF circuits.
- Wide Output Range (up to 34.5V): Flexible for various high-voltage rail requirements.
- 800mA Output Current: Suitable for powering multiple ICs or moderate-power loads.
High-Voltage Industrial Power Supplies
With an output capability up to 34.5V and 800mA, the LT3089ER#TRPBF is ideal for powering industrial sensors, actuators, and analog front-ends that require a clean, regulated high-voltage rail from unregulated supplies.
Battery-Powered Precision Instruments
The ultra-low 50.5 µA quiescent current significantly extends battery life in portable multimeters, data loggers, and field transmitters where every microamp matters.
Low-Noise Audio and Measurement Circuits
Featuring high PSRR of 90dB at 120Hz and 20dB at 1MHz, this LDO effectively rejects ripple, making it suitable for powering sensitive audio DACs, ADC reference circuits, and precision measurement bridges.
Post-Regulation for Switching Converters
Use the LT3089ER#TRPBF after a DC-DC converter to eliminate switching noise and provide a clean, low-noise output for RF transceivers and mixed-signal processors.
Adjustable Lab Power Supplies
Its wide adjustable range and robust 800mA current capability make it an excellent building block for benchtop variable power supplies used in development labs.
Automotive Sensor Interfaces
The wide input range and low dropout allow stable operation from automotive battery rails during cranking conditions, powering sensors and interface ICs reliably.
- Q: What is the output voltage range of the LT3089ER#TRPBF?
- A: The LT3089ER#TRPBF provides an adjustable output voltage up to 34.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 0V, allowing operation from very low supply rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.65V at 800mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 50.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It is offered in a 7-DDPAK power package for excellent thermal performance.
LT3089ER#TRPBF.pdf
- Q: What is the output voltage range of the LT3089ER#TRPBF?
- A: The LT3089ER#TRPBF provides an adjustable output voltage up to 34.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 800mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 0V, allowing operation from very low supply rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.65V at 800mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 50.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It is offered in a 7-DDPAK power package for excellent thermal performance.
