規格
| 屬性 | 價值 |
| 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) | 0.35V @ 200mA (Typ) |
| Current-Output | 200mA |
| PSRR | 117dB ~ 56dB (120Hz ~ 10MHz) |
| ControlFeatures | Current Limit, Enable, Power Good |
| ProtectionFeatures | Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
概述
Description
The LT3042IDD#TRPBF is a high-performance, ultralow noise, ultrahigh Power Supply Rejection Ratio (PSRR) low dropout (LDO) linear regulator designed by Analog Devices. It is intended to provide clean, low-noise power for sensitive analog circuits and RF applications. The device offers a very low noise output of 0.8µVRMS over a 10Hz to 100kHz bandwidth, making it suitable for powering precision analog systems. It features ultrahigh PSRR (greater than 79dB at 1MHz), minimizing the impact of power supply variations on circuit performance.
The LT3042IDD#TRPBF provides an output current of up to 200mA and operates over a wide input voltage range from 1.8V to 20V, with an adjustable output voltage as low as 0V. It includes features such as current limit, thermal shutdown, and reverse current protection. This device is offered in a compact 10-lead 3mm x 3mm DFN package, making it ideal for space-constrained applications. It is commonly used in applications like RF power supplies, precision instrumentation, and low-noise power for high-speed or high-resolution data converters.
The LT3042IDD#TRPBF provides an output current of up to 200mA and operates over a wide input voltage range from 1.8V to 20V, with an adjustable output voltage as low as 0V. It includes features such as current limit, thermal shutdown, and reverse current protection. This device is offered in a compact 10-lead 3mm x 3mm DFN package, making it ideal for space-constrained applications. It is commonly used in applications like RF power supplies, precision instrumentation, and low-noise power for high-speed or high-resolution data converters.
Equivalent
The LT3042IDD#TRPBF is a low noise, ultrahigh power-supply rejection ratio (PSRR) linear regulator. Equivalent products include the LT3045, ADP7118 from Analog Devices, TPS7A47 from Texas Instruments, and the MAX38902 from Maxim Integrated. Always verify specific requirements like voltage, current, noise, and PSRR when choosing an equivalent.
Features
The LT3042IDD#TRPBF is an ultra-low noise, high-performance linear voltage regulator by Analog Devices. It features a wide input voltage range from 1.8V to 20V and provides a precise output voltage as low as 0V up to 15V, adjustable via an external resistor divider. The device offers a maximum output current of 200mA. Key features include an impressive noise performance of 0.8µVRMS across a 10Hz to 100kHz bandwidth, making it suitable for noise-sensitive applications. It also boasts a high power supply rejection ratio (PSRR) of 79dB at 1kHz, enhancing its ability to supply clean power to sensitive circuits.
Additional features include a programmable current limit, fast transient response, and thermal protection. The LT3042IDD#TRPBF package is a 10-lead 3mm × 3mm DFN, allowing for a compact design. Its low dropout voltage, around 350mV at full load, combined with capacitor stability, makes it ideal for powering precision analog systems, RF equipment, and high-speed data converters.
Additional features include a programmable current limit, fast transient response, and thermal protection. The LT3042IDD#TRPBF package is a 10-lead 3mm × 3mm DFN, allowing for a compact design. Its low dropout voltage, around 350mV at full load, combined with capacitor stability, makes it ideal for powering precision analog systems, RF equipment, and high-speed data converters.
Pinout
The LT3042IDD#TRPBF is an ultra-low noise, high PSRR linear regulator designed by Analog Devices. It comes in a 10-lead DFN (3mm x 3mm) package. This linear regulator offers a range of features including a wide input voltage range, low output noise, and high power supply rejection ratio (PSRR).
Key specifications and functions of the LT3042IDD#TRPBF include:
- Pin Count: 10
- Input Voltage Range: 2.8V to 20V
- Output Current: Up to 200mA
- Low Output Noise: 0.8µVrms over 10Hz to 100kHz
- High PSRR: 79dB at 1MHz
- Precision Current Limit
- Programmable Current Limit and Soft Start
- Output Voltage Range: Adjustable down to 0V
- Protection Features: Current limit and thermal shutdown
These characteristics make the LT3042IDD#TRPBF suitable for applications requiring clean, precise voltage rails such as RF systems, instrumentation, and high-performance analog circuits.
Key specifications and functions of the LT3042IDD#TRPBF include:
- Pin Count: 10
- Input Voltage Range: 2.8V to 20V
- Output Current: Up to 200mA
- Low Output Noise: 0.8µVrms over 10Hz to 100kHz
- High PSRR: 79dB at 1MHz
- Precision Current Limit
- Programmable Current Limit and Soft Start
- Output Voltage Range: Adjustable down to 0V
- Protection Features: Current limit and thermal shutdown
These characteristics make the LT3042IDD#TRPBF suitable for applications requiring clean, precise voltage rails such as RF systems, instrumentation, and high-performance analog circuits.
Manufacturer
The LT3042IDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides a wide range of products used in applications such as industrial, automotive, communication, consumer, and healthcare electronics. As a leader in the semiconductor industry, Analog Devices focuses on delivering solutions that bridge the physical and digital worlds, enabling advancements in areas like data conversion, power management, and signal processing.
Application
The LT3042IDD#TRPBF is a low-noise, low dropout linear regulator ideal for applications requiring high precision and low noise. Key application areas include:
1. RF and Microwave Systems: It provides clean power for sensitive RF circuits.
2. Sensitive Analog Circuits: Ideal for powering precision analog components due to its low noise output.
3. Test and Measurement Equipment: Ensures accuracy by reducing power supply noise.
4. Medical Devices: Suitable for devices needing reliable, low-noise power.
5. Industrial Instrumentation: Supports stable operation of critical control systems.
6. Data Acquisition Systems: Enhances performance by minimizing power-related disturbances.
Overall, it is used wherever clean, precise power is crucial for optimal system performance.
1. RF and Microwave Systems: It provides clean power for sensitive RF circuits.
2. Sensitive Analog Circuits: Ideal for powering precision analog components due to its low noise output.
3. Test and Measurement Equipment: Ensures accuracy by reducing power supply noise.
4. Medical Devices: Suitable for devices needing reliable, low-noise power.
5. Industrial Instrumentation: Supports stable operation of critical control systems.
6. Data Acquisition Systems: Enhances performance by minimizing power-related disturbances.
Overall, it is used wherever clean, precise power is crucial for optimal system performance.
Package
The LT3042IDD#TRPBF is a low dropout (LDO) linear regulator from Analog Devices. It comes in a 10-lead, 3mm x 3mm DFN (Dual Flat No-Lead) package, which is compact and suitable for high-density PCB designs.
