規格
| 屬性 | 價值 |
| Package | Strip |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Voltage-Output(Max) | 5V |
| Current-Output | 400mA |
| Current-Quiescent(Iq) | 1.5 mA |
| PSRR | 70dB ~ 20dB (1kHz ~ 50MHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Temperature |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-VFQFN Exposed Pad |
概述
Description
The HMC976LP3E is a high-performance, low-noise, ultra-wideband voltage regulator designed for RF and microwave applications. Manufactured by Analog Devices, this device is known for its capability to deliver a stable and clean power supply, crucial for sensitive electronics. It operates with an input voltage range typically from 4.5V to 7V and provides a regulated output voltage that is adjustable. The HMC976LP3E is packaged in a compact 3x3 mm LFCSP (Lead Frame Chip Scale Package), which makes it suitable for space-constrained applications.
Key features include low noise, excellent power supply rejection ratio (PSRR), and high output current capability. These attributes make it ideal for powering RF components like mixers, modulators, and phase-locked loops (PLLs) in communications and radar systems. Its robust design ensures minimal output voltage variation over temperature and load changes, contributing to the optimal performance of the system it powers. The HMC976LP3E is also appreciated for its ease of integration, reliability, and efficiency in demanding environments.
Key features include low noise, excellent power supply rejection ratio (PSRR), and high output current capability. These attributes make it ideal for powering RF components like mixers, modulators, and phase-locked loops (PLLs) in communications and radar systems. Its robust design ensures minimal output voltage variation over temperature and load changes, contributing to the optimal performance of the system it powers. The HMC976LP3E is also appreciated for its ease of integration, reliability, and efficiency in demanding environments.
Equivalent
The HMC976LP3E is a voltage regulator designed by Analog Devices for RF and microwave applications. Equivalent products would need to match its specifications like output voltage, noise performance, and load regulation. Possible alternatives could include other RF voltage regulators from Analog Devices, Texas Instruments, or Linear Technology, but specific equivalent products would require a detailed comparison of datasheets to ensure compatibility in parameters like output voltage range, noise, power supply rejection ratio, and package type. Always consult with manufacturers for precise alternatives.
Features
The HMC976LP3E is a high-performance, low-noise linear voltage regulator designed specifically for RF and microwave applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5 V to 7.5 V, making it versatile for various power supply scenarios.
2. Adjustable Output Voltage: Offers an adjustable output voltage range from 1.8 V to 5.0 V, providing flexibility to meet different application requirements.
3. Low Noise and Ripple: Delivers low output noise and ripple, which is critical for maintaining signal integrity in high-frequency applications.
4. High PSRR: Features a high Power Supply Rejection Ratio (PSRR) to minimize the impact of supply voltage variations, ensuring stable performance.
5. Compact Package: Comes in a compact, 3x3 mm, 16-lead LFCSP package, making it suitable for space-constrained designs.
6. Thermal Protection: Includes over-temperature and over-current protection mechanisms to enhance reliability and prevent damage under fault conditions.
7. Efficient Performance: Offers high performance with low dropout voltage, improving efficiency and battery life in portable applications.
These features make the HMC976LP3E an ideal choice for powering sensitive RF components, such as mixers, PLLs, and VCOs, in communication systems.
1. Wide Input Voltage Range: Supports input voltages from 4.5 V to 7.5 V, making it versatile for various power supply scenarios.
2. Adjustable Output Voltage: Offers an adjustable output voltage range from 1.8 V to 5.0 V, providing flexibility to meet different application requirements.
3. Low Noise and Ripple: Delivers low output noise and ripple, which is critical for maintaining signal integrity in high-frequency applications.
4. High PSRR: Features a high Power Supply Rejection Ratio (PSRR) to minimize the impact of supply voltage variations, ensuring stable performance.
5. Compact Package: Comes in a compact, 3x3 mm, 16-lead LFCSP package, making it suitable for space-constrained designs.
6. Thermal Protection: Includes over-temperature and over-current protection mechanisms to enhance reliability and prevent damage under fault conditions.
7. Efficient Performance: Offers high performance with low dropout voltage, improving efficiency and battery life in portable applications.
These features make the HMC976LP3E an ideal choice for powering sensitive RF components, such as mixers, PLLs, and VCOs, in communication systems.
Pinout
The HMC976LP3E is a low noise, low dropout (LDO) voltage regulator designed for RF and microwave applications. It is housed in a compact 3 mm x 3 mm QFN package. The device features a pin count of 16.
Key functions of the pins are as follows:
- VIN: Input voltage supply.
- VOUT: Regulated output voltage.
- GND: Ground connection.
- EN: Enable pin to turn the regulator on or off.
- BYP: Bypass pin to connect an external capacitor for noise reduction.
- NC: No connection, typically for mechanical stability or thermal purposes.
Other pins may include feedback and control pins for adjusting output voltage or other specific functionalities. For detailed pin configuration and functionality, referring to the manufacturer's datasheet is recommended.
Key functions of the pins are as follows:
- VIN: Input voltage supply.
- VOUT: Regulated output voltage.
- GND: Ground connection.
- EN: Enable pin to turn the regulator on or off.
- BYP: Bypass pin to connect an external capacitor for noise reduction.
- NC: No connection, typically for mechanical stability or thermal purposes.
Other pins may include feedback and control pins for adjusting output voltage or other specific functionalities. For detailed pin configuration and functionality, referring to the manufacturer's datasheet is recommended.
Manufacturer
The HMC976LP3E is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technology. They are known for producing integrated circuits that facilitate analog and digital signal processing, which are used in a wide array of applications across various industries, including telecommunications, automotive, aerospace, and consumer electronics. The company focuses on creating solutions that enhance performance and efficiency in electronic systems.
Application
The HMC976LP3E is a high-performance, low-noise voltage regulator primarily used in applications requiring precise voltage control. It is commonly employed in RF and microwave solutions, including phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), and frequency synthesizers. The device's ability to provide clean, stable power makes it ideal for high-frequency communication systems, radar systems, and test and measurement equipment. Its compact package and efficient performance support integration into portable and space-constrained devices, making it suitable for both commercial and military applications where reliability and precision are critical.
Package
The HMC976LP3E is packaged in a 3x3 mm QFN (Quad Flat No-Lead) package. This type of package is known for its compact size and efficient heat dissipation, making it suitable for space-constrained applications in RF and microwave circuits.
