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 LT3042EDD#TRPBF is a high-performance linear voltage regulator designed by Analog Devices. It is part of the LT3042 series, known for its ultra-low noise and high precision. The device provides an output current of up to 200 mA with a wide input voltage range from 2.0V to 20V, making it versatile for various applications. One of its key features is the ultra-low noise output, as low as 0.8 µVRMS across a 10 Hz to 100 kHz bandwidth, which is ideal for noise-sensitive applications such as RF systems, test equipment, and high-speed data converters.
The LT3042 also boasts exceptional power supply rejection ratio (PSRR), improving performance in environments with fluctuating input power supplies. It includes additional features like programmable current limit, precision enable, and a fast transient response. The device comes in a compact 10-lead DFN package, making it suitable for space-constrained designs. Overall, the LT3042EDD#TRPBF is a robust choice for applications requiring precise voltage regulation with minimal noise interference.
The LT3042 also boasts exceptional power supply rejection ratio (PSRR), improving performance in environments with fluctuating input power supplies. It includes additional features like programmable current limit, precision enable, and a fast transient response. The device comes in a compact 10-lead DFN package, making it suitable for space-constrained designs. Overall, the LT3042EDD#TRPBF is a robust choice for applications requiring precise voltage regulation with minimal noise interference.
Equivalent
The LT3042EDD#TRPBF is a high-performance, low-noise, and low-dropout linear regulator. Equivalent products include the LT3045 from Analog Devices, LP5907 from Texas Instruments, and ADP7118 from Analog Devices. Each of these offers similar low noise and high power supply rejection features, but they may vary in terms of output current, noise performance, and package type. Always check the specific requirements and differences when selecting an equivalent.
Features
The LT3042EDD#TRPBF is a low-dropout (LDO) linear regulator known for its high performance. Key features include:
1. Low Noise: It offers ultra-low output noise of 0.8µV RMS over a 10Hz to 100kHz bandwidth, making it ideal for noise-sensitive applications.
2. High PSRR: It provides high power supply rejection ratio, typically 79dB at 1kHz, ensuring stable output in noisy environments.
3. High Precision: The device offers high accuracy output with a low output voltage offset of ±2mV.
4. Wide Input Voltage Range: It supports an input voltage range from 1.8V to 20V.
5. Output Current: It can deliver output currents up to 200mA.
6. Adjustable Output Voltage: The output voltage is adjustable via an external resistor divider, ranging from 0V to 15V.
7. Thermal Protection: Includes thermal overload protection to prevent overheating.
8. Package: Available in a 10-lead 3mm × 3mm DFN package.
9. Applications: Suitable for RF, precision analog, and high-performance instrumentation systems.
These features make the LT3042EDD#TRPBF a versatile choice for applications requiring low noise and high accuracy.
1. Low Noise: It offers ultra-low output noise of 0.8µV RMS over a 10Hz to 100kHz bandwidth, making it ideal for noise-sensitive applications.
2. High PSRR: It provides high power supply rejection ratio, typically 79dB at 1kHz, ensuring stable output in noisy environments.
3. High Precision: The device offers high accuracy output with a low output voltage offset of ±2mV.
4. Wide Input Voltage Range: It supports an input voltage range from 1.8V to 20V.
5. Output Current: It can deliver output currents up to 200mA.
6. Adjustable Output Voltage: The output voltage is adjustable via an external resistor divider, ranging from 0V to 15V.
7. Thermal Protection: Includes thermal overload protection to prevent overheating.
8. Package: Available in a 10-lead 3mm × 3mm DFN package.
9. Applications: Suitable for RF, precision analog, and high-performance instrumentation systems.
These features make the LT3042EDD#TRPBF a versatile choice for applications requiring low noise and high accuracy.
Pinout
The LT3042EDD#TRPBF is a linear voltage regulator produced by Analog Devices. It is housed in a 10-lead DFN (Dual Flat No-lead) package. The primary function of the LT3042 is to provide a low-noise, high-precision output voltage from a variety of input voltages, with an ultra-low noise output and high power supply rejection ratio (PSRR).
The pin configuration is as follows:
1. VIN: Input Voltage.
2. GND: Ground.
3. VOUT: Regulated Output Voltage.
4. SET: Used to set the output voltage via an external resistor.
5. NR/SS: Noise Reduction/Soft-Start.
6. ILIM: Current Limit Set.
7. IN: Additional Input Voltage.
8. PG: Power Good indicator.
9. BYP: Bypass, used for further noise reduction.
10. NC: No Connection.
This regulator is well-suited for applications requiring a clean output voltage, such as precision instrumentation and RF systems.
The pin configuration is as follows:
1. VIN: Input Voltage.
2. GND: Ground.
3. VOUT: Regulated Output Voltage.
4. SET: Used to set the output voltage via an external resistor.
5. NR/SS: Noise Reduction/Soft-Start.
6. ILIM: Current Limit Set.
7. IN: Additional Input Voltage.
8. PG: Power Good indicator.
9. BYP: Bypass, used for further noise reduction.
10. NC: No Connection.
This regulator is well-suited for applications requiring a clean output voltage, such as precision instrumentation and RF systems.
Manufacturer
The LT3042EDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. The company serves various markets, including industrial, automotive, communications, consumer electronics, and healthcare. Known for its focus on innovation and high-performance solutions, Analog Devices specializes in products such as data converters, amplifiers, power management devices, and sensors.
Application
The LT3042EDD#TRPBF is a low noise, high PSRR linear regulator, ideal for applications requiring precise voltage regulation and low noise. Its application areas include:
1. RF and Communications Equipment: Ensures low noise to maintain signal integrity.
2. High-Speed and High-Precision Data Converters: Provides stable power to ADCs and DACs.
3. Precision Instrumentation: Offers clean power for sensitive measurement devices.
4. Low Noise Power Supplies: Supplies quiet power to critical analog circuits.
5. Medical Equipment: Ensures reliable and noise-free operation in sensitive devices.
These applications benefit from the regulator's high performance in reducing output voltage noise and improving power supply rejection ratio (PSRR).
1. RF and Communications Equipment: Ensures low noise to maintain signal integrity.
2. High-Speed and High-Precision Data Converters: Provides stable power to ADCs and DACs.
3. Precision Instrumentation: Offers clean power for sensitive measurement devices.
4. Low Noise Power Supplies: Supplies quiet power to critical analog circuits.
5. Medical Equipment: Ensures reliable and noise-free operation in sensitive devices.
These applications benefit from the regulator's high performance in reducing output voltage noise and improving power supply rejection ratio (PSRR).
Package
The LT3042EDD#TRPBF is an ultralow noise, ultrahigh power supply rejection ratio (PSRR) linear regulator from Analog Devices. It comes in a 10-lead (3mm x 3mm) thermally enhanced DFN (Dual Flat No-Lead) package, facilitating compact and efficient thermal management for precision applications.
