規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 0V |
| Voltage - Output (Max) | 15V |
| Voltage Dropout (Max) | 0.45V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 20 µA |
| Current - Supply (Max) | 25 mA |
| PSRR | 117dB ~ 53dB (120Hz ~ 10MHz) |
| Control Features | Enable, Power Good, Soft Start |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The LT3045IDD-1#PBF is a high-performance, low-dropout (LDO) linear voltage regulator designed by Analog Devices. This regulator offers ultra-low noise, high precision, and high power supply rejection ratio (PSRR), making it ideal for powering noise-sensitive applications like RF systems, precision instruments, and high-speed data converters.
Key features include:
1. Output Current: Capable of supplying up to 500 mA of output current.
2. Low Noise: Achieves output noise levels as low as 0.8 µV RMS over a 10 Hz to 100 kHz bandwidth.
3. High PSRR: Offers excellent PSRR, up to 76 dB at 1 MHz, which is crucial for filtering out power supply noise.
4. Adjustable Output: The output voltage is adjustable via an external resistor network, providing flexibility for various applications.
5. Dropout Voltage: Features a low dropout voltage of only 260 mV at full load, maximizing efficiency.
6. Protection Features: Includes overcurrent and thermal shutdown protection to ensure reliability.
The LT3045IDD-1#PBF is available in a thermally enhanced, 10-lead, 3 mm × 3 mm DFN package, making it suitable for space-constrained designs.
Key features include:
1. Output Current: Capable of supplying up to 500 mA of output current.
2. Low Noise: Achieves output noise levels as low as 0.8 µV RMS over a 10 Hz to 100 kHz bandwidth.
3. High PSRR: Offers excellent PSRR, up to 76 dB at 1 MHz, which is crucial for filtering out power supply noise.
4. Adjustable Output: The output voltage is adjustable via an external resistor network, providing flexibility for various applications.
5. Dropout Voltage: Features a low dropout voltage of only 260 mV at full load, maximizing efficiency.
6. Protection Features: Includes overcurrent and thermal shutdown protection to ensure reliability.
The LT3045IDD-1#PBF is available in a thermally enhanced, 10-lead, 3 mm × 3 mm DFN package, making it suitable for space-constrained designs.
Equivalent
The LT3045IDD-1#PBF is a high-performance linear regulator. Equivalent products may include:
1. LDOs by Analog Devices: LT3042, LT3045 (standard version).
2. Texas Instruments: TPS7A47, TPS7A83.
3. Microchip Technology: MCP7A00.
These alternatives offer similar ultra-low noise and high PSRR performance for precision applications. It is crucial to review each product's specifications to ensure compatibility with your application.
1. LDOs by Analog Devices: LT3042, LT3045 (standard version).
2. Texas Instruments: TPS7A47, TPS7A83.
3. Microchip Technology: MCP7A00.
These alternatives offer similar ultra-low noise and high PSRR performance for precision applications. It is crucial to review each product's specifications to ensure compatibility with your application.
Features
The LT3045IDD-1#PBF is a high-performance linear regulator known for its precision and low-noise capabilities. Key features include:
1. Ultra-Low Noise: Offers an output noise of only 0.8µVRMS, making it suitable for noise-sensitive applications.
2. High PSRR: Provides a high power supply rejection ratio (PSRR) over a wide frequency range, ensuring stable performance even with variable input voltages.
3. Low Dropout Voltage: Operates with an extremely low dropout voltage of 350mV at full load, optimizing efficiency.
4. Output Current: Capable of delivering up to 500mA output current.
5. Adjustable Output Voltage: Supports adjustable output from 0V to 15V, providing flexibility for various applications.
6. Precision: Features a reference accuracy of ±2%, ensuring precise voltage regulation.
7. Protection Features: Includes current limiting and thermal shutdown protection to prevent device damage under fault conditions.
8. Compact Package: Available in a thermally efficient, 10-lead plastic DFN package, making it suitable for space-constrained designs.
These features make the LT3045IDD-1#PBF ideal for applications requiring low noise and high performance, such as RF systems, high-speed data converters, and sensitive instrumentation.
1. Ultra-Low Noise: Offers an output noise of only 0.8µVRMS, making it suitable for noise-sensitive applications.
2. High PSRR: Provides a high power supply rejection ratio (PSRR) over a wide frequency range, ensuring stable performance even with variable input voltages.
3. Low Dropout Voltage: Operates with an extremely low dropout voltage of 350mV at full load, optimizing efficiency.
4. Output Current: Capable of delivering up to 500mA output current.
5. Adjustable Output Voltage: Supports adjustable output from 0V to 15V, providing flexibility for various applications.
6. Precision: Features a reference accuracy of ±2%, ensuring precise voltage regulation.
7. Protection Features: Includes current limiting and thermal shutdown protection to prevent device damage under fault conditions.
8. Compact Package: Available in a thermally efficient, 10-lead plastic DFN package, making it suitable for space-constrained designs.
These features make the LT3045IDD-1#PBF ideal for applications requiring low noise and high performance, such as RF systems, high-speed data converters, and sensitive instrumentation.
Pinout
The LT3045IDD-1#PBF is a Linear Technology (now part of Analog Devices) product. It is a high-performance low dropout (LDO) linear regulator. The LT3045IDD-1 comes in a 10-lead thermally enhanced DFN (4mm × 4mm) package.
In terms of features, the LT3045IDD-1 offers high precision and low noise with a 20 µVRMS output noise over a 10 Hz to 100 kHz bandwidth. It provides an output current of up to 500 mA and allows for output voltages as low as 0 V, with a typical dropout voltage of 260 mV at full load. The LT3045 also includes features like a programmable current limit, fast transient response, and excellent line and load regulation.
For detailed pin functions and exact pin count, refer to the product datasheet, as it will provide comprehensive information on each pin's purpose, along with application circuits and thermal considerations.
In terms of features, the LT3045IDD-1 offers high precision and low noise with a 20 µVRMS output noise over a 10 Hz to 100 kHz bandwidth. It provides an output current of up to 500 mA and allows for output voltages as low as 0 V, with a typical dropout voltage of 260 mV at full load. The LT3045 also includes features like a programmable current limit, fast transient response, and excellent line and load regulation.
For detailed pin functions and exact pin count, refer to the product datasheet, as it will provide comprehensive information on each pin's purpose, along with application circuits and thermal considerations.
Manufacturer
The LT3045IDD-1#PBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs) used in electronic equipment. The company serves a wide range of industries, including automotive, communication, industrial, consumer electronics, and healthcare. Analog Devices is known for its high-performance signal processing technologies, which are used in various applications such as data conversion, signal conditioning, power management, and more.
Application
The LT3045IDD-1#PBF is a high-performance, low-dropout linear regulator designed for precision applications. Its application areas include:
1. RF and Wireless Communications: Provides clean power supply for sensitive RF components.
2. High-Speed and High-Precision Data Converters: Ensures low noise and accurate performance.
3. Instrumentation and Test Equipment: Offers stable voltage for precise measurements.
4. Medical Devices: Delivers reliable power for critical components.
5. Servers and Networking Equipment: Supports efficient power distribution with minimal noise.
6. Industrial and Automotive Electronics: Provides robust power management solutions.
These applications benefit from the LT3045's low noise, high PSRR, and excellent transient response features.
1. RF and Wireless Communications: Provides clean power supply for sensitive RF components.
2. High-Speed and High-Precision Data Converters: Ensures low noise and accurate performance.
3. Instrumentation and Test Equipment: Offers stable voltage for precise measurements.
4. Medical Devices: Delivers reliable power for critical components.
5. Servers and Networking Equipment: Supports efficient power distribution with minimal noise.
6. Industrial and Automotive Electronics: Provides robust power management solutions.
These applications benefit from the LT3045's low noise, high PSRR, and excellent transient response features.
Package
The LT3045IDD-1#PBF is a low dropout (LDO) linear regulator in a 10-lead Plastic DFN (Dual Flat No-Lead) package.
