사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 0.58V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 95 µA |
| Current - Supply (Max) | 2.5 mA |
| PSRR | 45dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
개요
Description
The LP2985-33DBVR is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage, typically ranging from 2.5V to 16V. It is part of the LP2985 series manufactured by Texas Instruments and is widely used for its efficiency and reliability in powering electronic components. The "DBVR" suffix indicates the package type, which is a small, industry-standard SOT-23-5 package, making it suitable for compact and portable electronic devices.
This device features a low dropout voltage, meaning it can maintain regulation with a minimal difference between input and output voltages, contributing to energy efficiency. It offers a high power supply rejection ratio (PSRR), low output noise, and a fast transient response, making it ideal for sensitive applications and noise-sensitive environments. Additionally, it includes internal current limiting, thermal overload protection, and other safety features to prevent damage under fault conditions. With its reliability and compact design, the LP2985-33DBVR is commonly used in battery-powered devices, microcontroller applications, and communication equipment.
This device features a low dropout voltage, meaning it can maintain regulation with a minimal difference between input and output voltages, contributing to energy efficiency. It offers a high power supply rejection ratio (PSRR), low output noise, and a fast transient response, making it ideal for sensitive applications and noise-sensitive environments. Additionally, it includes internal current limiting, thermal overload protection, and other safety features to prevent damage under fault conditions. With its reliability and compact design, the LP2985-33DBVR is commonly used in battery-powered devices, microcontroller applications, and communication equipment.
Equivalent
The LP2985-33DBVR is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205-3.3YM5 - Microchip Technology
2. AMS1117-3.3 - Advanced Monolithic Systems (AMS)
3. NCP1117-3.3 - ON Semiconductor
4. AP1117-3.3 - Diodes Incorporated
5. TLV70033 - Texas Instruments
These alternatives offer similar functionality and specifications, such as output voltage and current rating, although specific parameters may vary slightly. Always verify compatibility with your application.
1. MIC5205-3.3YM5 - Microchip Technology
2. AMS1117-3.3 - Advanced Monolithic Systems (AMS)
3. NCP1117-3.3 - ON Semiconductor
4. AP1117-3.3 - Diodes Incorporated
5. TLV70033 - Texas Instruments
These alternatives offer similar functionality and specifications, such as output voltage and current rating, although specific parameters may vary slightly. Always verify compatibility with your application.
Features
The LP2985-33DBVR is a low-dropout (LDO) voltage regulator designed to provide a stable 3.3V output voltage. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically operates from 2.5V to 16V.
3. Low Dropout Voltage: Ensures efficient performance with a dropout voltage of approximately 280mV at 150mA load current.
4. Output Current: Capable of supplying up to 150mA.
5. Low Quiescent Current: Consumes minimal power with a typical quiescent current of 85µA, enhancing battery life in portable applications.
6. High Accuracy: Provides an output voltage accuracy typically within ±1.5% over temperature, line, and load variations.
7. Thermal and Overcurrent Protection: Built-in protection features safeguard against overheating and excessive current conditions.
8. Package Type: Available in a compact SOT-23-5 package, making it suitable for space-constrained applications.
9. Applications: Ideal for use in battery-powered devices, portable electronics, and anywhere a stable 3.3V supply is needed.
These features make the LP2985-33DBVR a reliable choice for voltage regulation in various electronic applications.
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically operates from 2.5V to 16V.
3. Low Dropout Voltage: Ensures efficient performance with a dropout voltage of approximately 280mV at 150mA load current.
4. Output Current: Capable of supplying up to 150mA.
5. Low Quiescent Current: Consumes minimal power with a typical quiescent current of 85µA, enhancing battery life in portable applications.
6. High Accuracy: Provides an output voltage accuracy typically within ±1.5% over temperature, line, and load variations.
7. Thermal and Overcurrent Protection: Built-in protection features safeguard against overheating and excessive current conditions.
8. Package Type: Available in a compact SOT-23-5 package, making it suitable for space-constrained applications.
9. Applications: Ideal for use in battery-powered devices, portable electronics, and anywhere a stable 3.3V supply is needed.
These features make the LP2985-33DBVR a reliable choice for voltage regulation in various electronic applications.
Pinout
The LP2985-33DBVR is a low-dropout (LDO) linear voltage regulator. It typically comes in a 5-pin SOT-23 package. Here is a brief explanation of its pin functions:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VOUT): Output voltage pin. Provides a regulated output voltage of 3.3V.
3. Pin 3 (EN): Enable pin. Activates the regulator when a high signal is applied.
4. Pin 4 (NC): No connection or sometimes used for optional functions, depending on the specific configuration.
5. Pin 5 (VIN): Input voltage pin. Connects to the unregulated supply voltage.
This LDO is used for converting a higher voltage to a stable 3.3V, with a maximum output current typically around 150 mA. It is suitable for applications requiring low noise, low dropout voltage, and high efficiency.
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VOUT): Output voltage pin. Provides a regulated output voltage of 3.3V.
3. Pin 3 (EN): Enable pin. Activates the regulator when a high signal is applied.
4. Pin 4 (NC): No connection or sometimes used for optional functions, depending on the specific configuration.
5. Pin 5 (VIN): Input voltage pin. Connects to the unregulated supply voltage.
This LDO is used for converting a higher voltage to a stable 3.3V, with a maximum output current typically around 150 mA. It is suitable for applications requiring low noise, low dropout voltage, and high efficiency.
Manufacturer
The LP2985-33DBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor design and manufacturing company. They are known for developing analog and embedded processing chips, which are used in a wide range of electronic applications. TI has a diverse product portfolio that includes microcontrollers, processors, sensors, and power management solutions, among others. The company serves various sectors, including industrial, automotive, personal electronics, communications, and enterprise systems. Texas Instruments is well-regarded for its innovation and significant contributions to the electronics and semiconductor industries.
Application
The LP2985-33DBVR is a low-dropout (LDO) voltage regulator used in various applications that require stable voltage supply with low noise. Key application areas include:
1. Consumer Electronics: Used in mobile phones, tablets, and other portable devices for efficient power management.
2. Industrial Equipment: Ensures reliable voltage regulation in sensors and control systems.
3. Automotive: Provides stable power supply for infotainment and electronic control units.
4. Medical Devices: Supports precision power requirements in portable diagnostic equipment.
5. Networking: Maintains power stability in routers and networking hardware.
Its compact size and efficiency make it suitable for designs where space and power consumption are critical.
1. Consumer Electronics: Used in mobile phones, tablets, and other portable devices for efficient power management.
2. Industrial Equipment: Ensures reliable voltage regulation in sensors and control systems.
3. Automotive: Provides stable power supply for infotainment and electronic control units.
4. Medical Devices: Supports precision power requirements in portable diagnostic equipment.
5. Networking: Maintains power stability in routers and networking hardware.
Its compact size and efficiency make it suitable for designs where space and power consumption are critical.
Package
The LP2985-33DBVR is a low-dropout (LDO) linear voltage regulator packaged in a SOT-23-5 configuration. This compact package is designed for surface-mount technology, ideal for space-constrained applications.
