規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Negative |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -2.3V |
| Voltage - Output (Min/Fixed) | -19.5V |
| Voltage - Output (Max) | 0V |
| Voltage Dropout (Max) | 0.41V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 2.35 mA |
| Current - Supply (Max) | 23 mA |
| PSRR | 108dB ~ 28dB (120Hz ~ 10MHz) |
| Control Features | Enable, Power Good, Soft Start |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The LT3094IDD#PBF is a low-dropout (LDO) linear regulator from Analog Devices. It is designed to provide a negative output voltage with high precision and is part of the LT3094 family of LDOs. The device can deliver up to 500mA of output current with a very low dropout voltage, making it suitable for applications requiring high efficiency and low noise.
Key features include:
- A wide input voltage range from -20V to -2.5V, allowing for flexibility in various power management applications.
- The ability to achieve an output voltage as low as -19.5V, with adjustable settings via external resistors.
- Low noise and high power supply rejection ratio (PSRR), which are beneficial for noise-sensitive applications.
- Protection features such as current limit and thermal shutdown to ensure reliability and robustness.
The LT3094IDD#PBF is available in a small package, making it ideal for space-constrained applications such as data acquisition systems, instrumentation, and communication equipment.
Key features include:
- A wide input voltage range from -20V to -2.5V, allowing for flexibility in various power management applications.
- The ability to achieve an output voltage as low as -19.5V, with adjustable settings via external resistors.
- Low noise and high power supply rejection ratio (PSRR), which are beneficial for noise-sensitive applications.
- Protection features such as current limit and thermal shutdown to ensure reliability and robustness.
The LT3094IDD#PBF is available in a small package, making it ideal for space-constrained applications such as data acquisition systems, instrumentation, and communication equipment.
Equivalent
The LT3094IDD#PBF is a low-noise, negative linear regulator. Equivalent products may include the Linear Technology LT1964, Analog Devices ADM7172, and Texas Instruments TPS7A33. These alternatives offer similar low-noise, low-dropout regulation features. However, always verify electrical specifications, pin configurations, and package compatibility for your specific application needs. It's recommended to consult datasheets and manufacturer resources to ensure suitability and interoperability with your design.
Features
The LT3094IDD#PBF is a low-dropout (LDO) linear regulator. Here are its key features:
1. Negative Voltage Regulator: It operates as a negative LDO, which can regulate voltages as low as -20V.
2. Output Current: Provides up to 500mA output current.
3. Low Dropout Voltage: Offers a low dropout voltage of 340mV at full load, which is ideal for applications needing minimal input-output voltage differential.
4. Adjustable Output: The output voltage can be adjusted via external resistors.
5. High PSRR: Exhibits high power supply rejection ratio (PSRR), making it suitable for noise-sensitive applications.
6. Low Noise: Features low output noise of 18µVRMS over a wide bandwidth, enhancing performance in sensitive circuits.
7. Protection Features: Comes with built-in thermal shutdown and current limit protection to safeguard against overloading and overheating.
8. Package: Offered in a 10-Lead Plastic DFN 3mm × 3mm Surface Mount package.
9. Operating Temperature Range: Suitable for operation within the -40°C to 125°C temperature range.
These features make the LT3094IDD#PBF suitable for various applications requiring efficient, low-noise negative voltage regulation.
1. Negative Voltage Regulator: It operates as a negative LDO, which can regulate voltages as low as -20V.
2. Output Current: Provides up to 500mA output current.
3. Low Dropout Voltage: Offers a low dropout voltage of 340mV at full load, which is ideal for applications needing minimal input-output voltage differential.
4. Adjustable Output: The output voltage can be adjusted via external resistors.
5. High PSRR: Exhibits high power supply rejection ratio (PSRR), making it suitable for noise-sensitive applications.
6. Low Noise: Features low output noise of 18µVRMS over a wide bandwidth, enhancing performance in sensitive circuits.
7. Protection Features: Comes with built-in thermal shutdown and current limit protection to safeguard against overloading and overheating.
8. Package: Offered in a 10-Lead Plastic DFN 3mm × 3mm Surface Mount package.
9. Operating Temperature Range: Suitable for operation within the -40°C to 125°C temperature range.
These features make the LT3094IDD#PBF suitable for various applications requiring efficient, low-noise negative voltage regulation.
Pinout
The LT3094IDD#PBF is a low-noise, negative linear regulator manufactured by Analog Devices. It comes in a 10-lead (pin) DFN package. The primary function of the LT3094 is to provide a high-performance, low-noise, low-dropout voltage regulation for negative supply voltages. It can source up to 500 mA of current with an input voltage range of -20V to -2.5V and an adjustable output voltage range from 0V to -19.5V.
The device is designed for applications that require low output noise and high power supply rejection ratio (PSRR), such as high-speed or high-precision data conversion systems, RF systems, and sensitive analog circuits. Key features include programmable current limit, fast transient response, and programmable output current noise. The LT3094 also provides thermal protection and a precision current limit, making it a robust solution for various demanding applications.
The device is designed for applications that require low output noise and high power supply rejection ratio (PSRR), such as high-speed or high-precision data conversion systems, RF systems, and sensitive analog circuits. Key features include programmable current limit, fast transient response, and programmable output current noise. The LT3094 also provides thermal protection and a precision current limit, making it a robust solution for various demanding applications.
Manufacturer
The LT3094IDD#PBF is manufactured by Analog Devices, Inc. Analog Devices is an American multinational semiconductor company that primarily designs and manufactures integrated circuits used in electronic equipment. The company focuses on high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These products are used in a wide range of industries, including communications, computer, automotive, industrial, instrumentation, and healthcare. Analog Devices is known for its innovation in signal processing and has a strong reputation for quality and reliability in its products.
Application
The LT3094IDD#PBF is a low-noise, negative linear regulator. It is suitable for applications requiring a clean, low-noise power supply, such as:
1. RF and Communications Systems: Provides low-noise power to sensitive RF components and communication devices.
2. Precision Instrumentation: Powers high-precision instruments that require minimal power supply noise for accurate measurements.
3. Data Conversion Systems: Supports high-performance ADCs and DACs by minimizing power supply noise interference.
4. Medical Equipment: Used in medical devices where clean power is crucial for reliable operation.
5. Industrial and Automotive: Ensures stable power for sensitive circuits in industrial and automotive electronics.
Its excellent noise performance and regulation make it ideal for any application requiring precision power delivery.
1. RF and Communications Systems: Provides low-noise power to sensitive RF components and communication devices.
2. Precision Instrumentation: Powers high-precision instruments that require minimal power supply noise for accurate measurements.
3. Data Conversion Systems: Supports high-performance ADCs and DACs by minimizing power supply noise interference.
4. Medical Equipment: Used in medical devices where clean power is crucial for reliable operation.
5. Industrial and Automotive: Ensures stable power for sensitive circuits in industrial and automotive electronics.
Its excellent noise performance and regulation make it ideal for any application requiring precision power delivery.
Package
The LT3094IDD#PBF is a low-noise, negative linear regulator from Analog Devices. The package type for this component is a 10-lead (3mm x 3mm) DFN (Dual Flat No-Lead) with an exposed pad for improved thermal performance.
