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LT3045IDD#TRPBF
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規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0V |
| Voltage-Output(Max) | 15V |
| VoltageDropout(Max) | 0.45V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 20 µA |
| Current-Supply(Max) | 25 mA |
| PSRR | 117dB ~ 53dB (120Hz ~ 10MHz) |
| ControlFeatures | Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
概述
Description
The LT3045IDD#TRPBF is a high-performance, low-dropout (LDO) linear regulator by Analog Devices. It is designed to provide ultra-low noise, high precision, and high power supply rejection ratio (PSRR) for sensitive electronic applications. The device can deliver up to 500mA of output current with a very low dropout voltage, making it suitable for powering precision analog circuits, RF systems, and other noise-sensitive components.
Key features of the LT3045 include an input voltage range from 2.8V to 20V, output voltage programmable from 0V to 15V, and an impressive low noise performance of 0.8µVRMS over the 10Hz to 100kHz range. It also offers excellent PSRR of 76dB at 1MHz. The LT3045 comes in a compact 10-lead 3mm x 3mm DFN package, enhancing thermal conductivity and allowing for efficient heat dissipation.
It is equipped with additional functionalities like programmable current limit, fast transient response, and output voltage remote sensing. These attributes make it particularly advantageous in applications demanding precise voltage regulation and minimal noise interference.
Key features of the LT3045 include an input voltage range from 2.8V to 20V, output voltage programmable from 0V to 15V, and an impressive low noise performance of 0.8µVRMS over the 10Hz to 100kHz range. It also offers excellent PSRR of 76dB at 1MHz. The LT3045 comes in a compact 10-lead 3mm x 3mm DFN package, enhancing thermal conductivity and allowing for efficient heat dissipation.
It is equipped with additional functionalities like programmable current limit, fast transient response, and output voltage remote sensing. These attributes make it particularly advantageous in applications demanding precise voltage regulation and minimal noise interference.
Features
The LT3045IDD#TRPBF is a high-performance linear regulator designed by Analog Devices. Key features include:
1. Low Noise: It has an ultra-low noise output of 0.8µVRMS, making it suitable for sensitive applications.
2. High PSRR: The device boasts a high power supply rejection ratio (PSRR) of up to 76dB at 1MHz, which helps in maintaining a stable output.
3. Output Current: It supports an output current of up to 500mA, catering to a variety of applications.
4. Input Voltage Range: The regulator operates over a wide input voltage range of 1.8V to 20V.
5. Adjustable Output: The output voltage is adjustable from 0V to 15V, providing flexibility for different requirements.
6. Protection Features: It includes overcurrent, overtemperature, and reverse-battery protection for enhanced reliability.
7. Thermal Performance: The device is designed for excellent thermal performance, suitable for compact applications.
8. Package: It comes in a thermally enhanced 10-lead 3mm × 3mm DFN package, optimizing space without sacrificing functionality.
These features make it ideal for applications requiring precision and reliability, such as RF, precision instrumentation, and high-speed communication systems.
1. Low Noise: It has an ultra-low noise output of 0.8µVRMS, making it suitable for sensitive applications.
2. High PSRR: The device boasts a high power supply rejection ratio (PSRR) of up to 76dB at 1MHz, which helps in maintaining a stable output.
3. Output Current: It supports an output current of up to 500mA, catering to a variety of applications.
4. Input Voltage Range: The regulator operates over a wide input voltage range of 1.8V to 20V.
5. Adjustable Output: The output voltage is adjustable from 0V to 15V, providing flexibility for different requirements.
6. Protection Features: It includes overcurrent, overtemperature, and reverse-battery protection for enhanced reliability.
7. Thermal Performance: The device is designed for excellent thermal performance, suitable for compact applications.
8. Package: It comes in a thermally enhanced 10-lead 3mm × 3mm DFN package, optimizing space without sacrificing functionality.
These features make it ideal for applications requiring precision and reliability, such as RF, precision instrumentation, and high-speed communication systems.
Package
The LT3045IDD#TRPBF is a low-dropout linear regulator (LDO) from Analog Devices, packaged in a 10-lead, 3mm x 3mm DFN (Dual Flat No-Lead) package. This package type offers a compact footprint suitable for surface-mount applications, providing efficient heat dissipation and robust performance.
Pinout
The LT3045IDD#TRPBF is a high-performance low dropout (LDO) linear regulator. It features a pin count of 10 and is typically housed in a 10-lead DFN (Dual Flat No Leads) package. The primary function of the LT3045 is to provide a low-noise, high-accuracy output voltage from a higher input voltage, with a very low dropout voltage. Its architecture ensures improved transient response and PSRR (Power Supply Rejection Ratio), making it ideal for supplying power to sensitive analog and RF (Radio Frequency) circuits. The LT3045 is notable for its ultra-low noise figure and the ability to provide up to 500 mA of output current with excellent thermal performance. Key functions and pins may include input voltage, output voltage, ground, and control pins for operation and monitoring.
Manufacturer
The LT3045IDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They serve a wide range of industries, including industrial, automotive, communications, healthcare, and consumer electronics. The company is known for its high-performance products used in data conversion, signal processing, and power management applications.
Application
The LT3045IDD#TRPBF is a high-performance, low-dropout linear regulator designed for applications requiring precision and low noise. Its key application areas include powering RF and microwave devices, high-speed/high-precision data converters, precision voltage references, medical equipment, and sensitive instrumentation. It is ideal for systems demanding low output noise and high power supply rejection ratio (PSRR), providing clean power in noise-sensitive environments.
Equivalent
The LT3045IDD#TRPBF is a low-noise, high-performance linear voltage regulator. Equivalent products include the ADM7150 from Analog Devices, the TPS7A47 from Texas Instruments, and the LP5907 from Texas Instruments, depending on specific requirements such as output current, noise level, and package type. Always verify the specifications to ensure full compatibility with your application.
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