規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 0.43V @ 300mA |
| Current - Output | 300mA |
| PSRR | 65dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The LT1962EMS8-3.3#PBF is a low-dropout (LDO) linear voltage regulator designed by Analog Devices, originally by Linear Technology. It provides a stable output voltage of 3.3 volts with a maximum output current of 300mA. The device is known for its low quiescent current, making it energy-efficient and suitable for battery-powered applications. It features a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
Housed in an MSOP-8 package, the LT1962EMS8-3.3#PBF offers compact size and ease of use in space-constrained designs. Key features include low noise, high power supply rejection ratio (PSRR), and thermal protection for enhanced reliability. It also includes short-circuit current limiting for added safety.
This regulator is ideal for a variety of applications, such as portable devices, wireless communication equipment, and other electronic systems requiring stable 3.3V power. The "#PBF" suffix indicates that the part is lead-free and RoHS compliant.
Housed in an MSOP-8 package, the LT1962EMS8-3.3#PBF offers compact size and ease of use in space-constrained designs. Key features include low noise, high power supply rejection ratio (PSRR), and thermal protection for enhanced reliability. It also includes short-circuit current limiting for added safety.
This regulator is ideal for a variety of applications, such as portable devices, wireless communication equipment, and other electronic systems requiring stable 3.3V power. The "#PBF" suffix indicates that the part is lead-free and RoHS compliant.
Equivalent
The LT1962EMS8-3.3#PBF is a low-dropout (LDO) linear voltage regulator with a 3.3V output. Equivalent products include:
1. MIC5205-3.3YM by Microchip Technology – A similar low-dropout regulator with 3.3V output.
2. TPS79333DBVR by Texas Instruments – An LDO with a 3.3V output and low noise.
3. LM2937IMP-3.3 by Texas Instruments – Another 3.3V output LDO.
4. NCP1117ST33T3G by ON Semiconductor – A 3.3V LDO with similar features.
Ensure compatibility by checking specific parameters like dropout voltage, current rating, and package type.
1. MIC5205-3.3YM by Microchip Technology – A similar low-dropout regulator with 3.3V output.
2. TPS79333DBVR by Texas Instruments – An LDO with a 3.3V output and low noise.
3. LM2937IMP-3.3 by Texas Instruments – Another 3.3V output LDO.
4. NCP1117ST33T3G by ON Semiconductor – A 3.3V LDO with similar features.
Ensure compatibility by checking specific parameters like dropout voltage, current rating, and package type.
Features
The LT1962EMS8-3.3#PBF is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. Here are its key features:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: Ensures efficient operation with a low dropout of typically 270mV at full load.
3. Output Current: Capable of delivering up to 300mA of output current.
4. Quiescent Current: Very low quiescent current of typically 30µA, which helps in battery-powered applications.
5. Input Voltage Range: Operates with an input voltage range of 4V to 20V.
6. Stability: Stable with low ESR capacitors, making it versatile for various applications.
7. Thermal Protection: Includes thermal shutdown and current limiting for enhanced reliability.
8. Package: Available in an 8-lead MSOP package, which is compact and suitable for space-constrained designs.
9. Precision: Features a high level of output voltage accuracy, typically within ±1%.
These features make the LT1962EMS8-3.3#PBF suitable for applications requiring efficient and reliable power regulation with minimal power dissipation.
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: Ensures efficient operation with a low dropout of typically 270mV at full load.
3. Output Current: Capable of delivering up to 300mA of output current.
4. Quiescent Current: Very low quiescent current of typically 30µA, which helps in battery-powered applications.
5. Input Voltage Range: Operates with an input voltage range of 4V to 20V.
6. Stability: Stable with low ESR capacitors, making it versatile for various applications.
7. Thermal Protection: Includes thermal shutdown and current limiting for enhanced reliability.
8. Package: Available in an 8-lead MSOP package, which is compact and suitable for space-constrained designs.
9. Precision: Features a high level of output voltage accuracy, typically within ±1%.
These features make the LT1962EMS8-3.3#PBF suitable for applications requiring efficient and reliable power regulation with minimal power dissipation.
Pinout
The LT1962EMS8-3.3#PBF is a low dropout (LDO) linear voltage regulator from Analog Devices. It is packaged in an 8-pin Mini Small Outline Package (MSOP). The pins of the LT1962 are generally designated as follows:
1. IN: Input voltage pin, where the unregulated input voltage is applied.
2. GND: Ground pin, serving as the reference point for the regulator.
3. OUT: Output voltage pin, which provides the regulated 3.3V output.
4. SHDN: Shutdown pin, used to enable or disable the regulator.
5. BYP: Bypass pin, which is used to connect an external capacitor for noise reduction.
6. NC: No connection pin, typically left unconnected.
7. NC: No connection pin, typically left unconnected.
8. NC: No connection pin, typically left unconnected.
The primary function of the LT1962EMS8-3.3#PBF is to maintain a stable 3.3V output with low dropout from a higher input voltage, suitable for use in battery-powered or sensitive electronic applications. Its low quiescent current and shutdown capability make it ideal for low-power designs.
1. IN: Input voltage pin, where the unregulated input voltage is applied.
2. GND: Ground pin, serving as the reference point for the regulator.
3. OUT: Output voltage pin, which provides the regulated 3.3V output.
4. SHDN: Shutdown pin, used to enable or disable the regulator.
5. BYP: Bypass pin, which is used to connect an external capacitor for noise reduction.
6. NC: No connection pin, typically left unconnected.
7. NC: No connection pin, typically left unconnected.
8. NC: No connection pin, typically left unconnected.
The primary function of the LT1962EMS8-3.3#PBF is to maintain a stable 3.3V output with low dropout from a higher input voltage, suitable for use in battery-powered or sensitive electronic applications. Its low quiescent current and shutdown capability make it ideal for low-power designs.
Manufacturer
The LT1962EMS8-3.3#PBF is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that designs and manufactures a broad range of integrated circuits (ICs) and other electronic components used in signal processing applications. The company serves various industries, including telecommunications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is known for its expertise in data conversion, signal processing, and power management technologies.
Application
The LT1962EMS8-3.3#PBF is a low-dropout (LDO) linear voltage regulator. Its application areas include power management in battery-powered devices, portable electronics, and wireless communication equipment. It is used in applications that require a stable 3.3V output with low noise and low quiescent current, such as smartphones, tablets, and sensors. Additionally, it's suitable for post-regulation of switching power supplies and powering microcontrollers and other digital circuits that require precise voltage levels. The component is ideal for use in environments where space is limited due to its small package size.
Package
The LT1962EMS8-3.3#PBF is a low dropout voltage regulator that comes in an MSOP-8 package. MSOP stands for Mini Small Outline Package, which is compact and designed for surface mounting on PCBs. The "#PBF" suffix indicates that the part is lead-free and complies with RoHS standards.
