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LP2985-18DBVR
+BOMIC REG LINEAR 1.8V 150MA SOT23-5
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LP2985-18DBVR
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Gói SOT-23 (DBV)-5
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Có sẵn7147
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 1.8V |
| VoltageDropout(Max) | 0.58V @ 150mA |
| Current-Output | 150mA |
| Current-Quiescent(Iq) | 95 µA |
| Current-Supply(Max) | 2.5 mA |
| PSRR | 45dB (1kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Tổng quan
Description
The LP2985-18DBVR is a low-dropout (LDO) linear voltage regulator designed to provide a stable 1.8V output from a higher voltage input, typically up to 16V, with a dropout voltage of around 280 mV at 150 mA load. It is part of Texas Instruments' LP2985 series and is housed in a compact SOT-23-5 package, making it suitable for space-constrained applications. Key features include low quiescent current, high accuracy, excellent line and load transient response, and good thermal behavior. It also offers protection features like current limiting and thermal shutdown, ensuring reliable operation under various conditions. With low noise and minimal external components required, the LP2985-18DBVR is ideal for powering low-voltage microcontrollers, sensors, and other digital circuits in portable and battery-powered devices.
Equivalent
The LP2985-18DBVR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205-1.8YM5 from Microchip Technology
2. MCP1700T-1802E/TT from Microchip Technology
3. NCP4684DSQ18T1G from ON Semiconductor
4. TLV70018DCKR from Texas Instruments
5. AP7343-18W5-7 from Diodes Incorporated
These alternatives have similar output voltage, current ratings, and package types, but always verify pin compatibility and electrical specifications before substitution.
1. MIC5205-1.8YM5 from Microchip Technology
2. MCP1700T-1802E/TT from Microchip Technology
3. NCP4684DSQ18T1G from ON Semiconductor
4. TLV70018DCKR from Texas Instruments
5. AP7343-18W5-7 from Diodes Incorporated
These alternatives have similar output voltage, current ratings, and package types, but always verify pin compatibility and electrical specifications before substitution.
Features
The LP2985-18DBVR is a low-dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Voltage: Fixed at 1.8V.
2. Input Voltage Range: 2.5V to 16V, making it versatile for various applications.
3. Output Current: Can deliver up to 150 mA, suitable for powering small loads.
4. Low Dropout Voltage: Typically 280 mV at 150 mA, improving efficiency.
5. Quiescent Current: Very low, typically around 75 µA, which is ideal for battery-powered devices.
6. Precision Output: Offers a high accuracy output with a tolerance of ±1.5%.
7. Thermal and Short-Circuit Protection: Built-in features to enhance reliability and protect the device.
8. Temperature Range: Operates over a wide temperature range of -40°C to 125°C.
9. Package: Available in a small SOT-23-5 package, which is space-saving for compact designs.
10. Noise Performance: Low output noise, with the ability to further reduce it using an external bypass capacitor.
Overall, the LP2985-18DBVR is ideal for applications requiring stable 1.8V output in a compact form factor with low power consumption.
1. Output Voltage: Fixed at 1.8V.
2. Input Voltage Range: 2.5V to 16V, making it versatile for various applications.
3. Output Current: Can deliver up to 150 mA, suitable for powering small loads.
4. Low Dropout Voltage: Typically 280 mV at 150 mA, improving efficiency.
5. Quiescent Current: Very low, typically around 75 µA, which is ideal for battery-powered devices.
6. Precision Output: Offers a high accuracy output with a tolerance of ±1.5%.
7. Thermal and Short-Circuit Protection: Built-in features to enhance reliability and protect the device.
8. Temperature Range: Operates over a wide temperature range of -40°C to 125°C.
9. Package: Available in a small SOT-23-5 package, which is space-saving for compact designs.
10. Noise Performance: Low output noise, with the ability to further reduce it using an external bypass capacitor.
Overall, the LP2985-18DBVR is ideal for applications requiring stable 1.8V output in a compact form factor with low power consumption.
Pinout
The LP2985-18DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is part of the LP2985 series and specifically outputs a fixed voltage of 1.8V. The "DBVR" suffix indicates a SOT-23-5 package, which has 5 pins. Here is a brief overview of the pin functions:
1. Pin 1 (IN): Input voltage pin, where the unregulated voltage is supplied to the device.
2. Pin 2 (GND): Ground pin, serves as the common ground for the regulator.
3. Pin 3 (EN): Enable pin, used to enable or disable the regulator. When high, the regulator is active; when low, it is in shutdown mode.
4. Pin 4 (BP): Bypass pin, used for connecting an external capacitor to improve noise performance.
5. Pin 5 (OUT): Output voltage pin, delivers the regulated output voltage of 1.8V.
The LP2985-18DBVR provides features such as low quiescent current, good transient response, and thermal protection, making it suitable for battery-powered devices and low-power applications.
1. Pin 1 (IN): Input voltage pin, where the unregulated voltage is supplied to the device.
2. Pin 2 (GND): Ground pin, serves as the common ground for the regulator.
3. Pin 3 (EN): Enable pin, used to enable or disable the regulator. When high, the regulator is active; when low, it is in shutdown mode.
4. Pin 4 (BP): Bypass pin, used for connecting an external capacitor to improve noise performance.
5. Pin 5 (OUT): Output voltage pin, delivers the regulated output voltage of 1.8V.
The LP2985-18DBVR provides features such as low quiescent current, good transient response, and thermal protection, making it suitable for battery-powered devices and low-power applications.
Manufacturer
The LP2985-18DBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a well-known technology company that designs and manufactures semiconductors and various integrated circuits. The company specializes in the development of analog chips and embedded processors, which are essential components in a wide range of electronic devices. TI's products are used in industries such as automotive, industrial, personal electronics, and communications. As a leader in the semiconductor industry, Texas Instruments is renowned for its innovation, quality, and comprehensive product portfolio.
Application
The LP2985-18DBVR is a low-dropout (LDO) voltage regulator designed for applications requiring precise voltage regulation. It is commonly used in areas such as:
1. Portable Electronics: Provides stable voltage for smartphones, tablets, and wearables.
2. Wireless Communication Devices: Ensures reliable power supply to RF components.
3. Industrial Equipment: Offers precise power regulation for sensors and control systems.
4. Consumer Electronics: Powers microcontrollers and other digital circuits.
5. Medical Devices: Supplies stable voltage to sensitive electronic components.
6. Automotive Systems: Provides regulated power for infotainment and sensor modules.
Its low dropout voltage and low quiescent current make it suitable for battery-powered and energy-efficient applications.
1. Portable Electronics: Provides stable voltage for smartphones, tablets, and wearables.
2. Wireless Communication Devices: Ensures reliable power supply to RF components.
3. Industrial Equipment: Offers precise power regulation for sensors and control systems.
4. Consumer Electronics: Powers microcontrollers and other digital circuits.
5. Medical Devices: Supplies stable voltage to sensitive electronic components.
6. Automotive Systems: Provides regulated power for infotainment and sensor modules.
Its low dropout voltage and low quiescent current make it suitable for battery-powered and energy-efficient applications.
Package
The LP2985-18DBVR is a voltage regulator in a SOT-23-5 package. It is a small outline transistor package with five pins, commonly used for surface-mount applications.
