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LP2981-33DBVR
+BOMIC REG LINEAR 3.3V 100MA SOT23-5
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LP2981-33DBVR
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データシート LP2981-33DBVR DataSheet
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パッケージ SOT-23-5
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在庫状況3836
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| 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) | 0.37V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 95 µA |
| Current - Supply (Max) | 1.7 mA |
| PSRR | 63dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
The LP2981-33DBVR is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. It is a part of the LP2981 series from Texas Instruments, known for its efficiency and precision in maintaining output voltage under varying operating conditions. The component offers a low quiescent current, making it suitable for battery-powered applications. With a dropout voltage typically around 280 mV at full load, it ensures efficient performance even with small differences between input and output voltages.
Housed in a DBV (SOT-23) package, the LP2981-33DBVR is optimized for use in compact and space-constrained designs. It features various protective functions such as current limiting and thermal shutdown to safeguard against overcurrent and overheating conditions. This makes it reliable for use in portable electronics, sensor circuits, and communication devices. The regulator's low noise output and high power-supply rejection ratio (PSRR) are beneficial for sensitive analog and RF applications, ensuring minimal interference from power supply fluctuations.
Housed in a DBV (SOT-23) package, the LP2981-33DBVR is optimized for use in compact and space-constrained designs. It features various protective functions such as current limiting and thermal shutdown to safeguard against overcurrent and overheating conditions. This makes it reliable for use in portable electronics, sensor circuits, and communication devices. The regulator's low noise output and high power-supply rejection ratio (PSRR) are beneficial for sensitive analog and RF applications, ensuring minimal interference from power supply fluctuations.
Equivalent
Equivalent products to the LP2981-33DBVR, a low-dropout (LDO) voltage regulator with a 3.3V output, include:
1. MCP1700-3302E/TT - Microchip Technology
2. TLV71333PDBVR - Texas Instruments
3. NCP1117-3.3 - ON Semiconductor
4. AP7333-33SAG-7 - Diodes Incorporated
5. AMS1117-3.3 - Advanced Monolithic Systems
These alternatives offer similar voltage regulation capabilities and package types. Always verify electrical specifications and pin configurations for compatibility.
1. MCP1700-3302E/TT - Microchip Technology
2. TLV71333PDBVR - Texas Instruments
3. NCP1117-3.3 - ON Semiconductor
4. AP7333-33SAG-7 - Diodes Incorporated
5. AMS1117-3.3 - Advanced Monolithic Systems
These alternatives offer similar voltage regulation capabilities and package types. Always verify electrical specifications and pin configurations for compatibility.
Features
The LP2981-33DBVR is a low-dropout (LDO) linear voltage regulator designed by Texas Instruments. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Dropout Voltage: It has a low dropout voltage, typically around 280 mV at a 100 mA load, which enhances efficiency.
3. Output Current: Capable of providing up to 100 mA of output current.
4. Quiescent Current: Exhibits low quiescent current, typically around 30 µA, which is ideal for battery-powered applications.
5. Input Voltage Range: Operates over a wide input voltage range, typically from 2.1V to 16V.
6. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability.
7. Package: Available in a small SOT-23-5 package, which is ideal for space-constrained applications.
8. Temperature Range: Designed to operate over a temperature range of -40°C to 125°C, suitable for industrial applications.
These features make the LP2981-33DBVR suitable for use in applications requiring efficient voltage regulation with a compact footprint.
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Dropout Voltage: It has a low dropout voltage, typically around 280 mV at a 100 mA load, which enhances efficiency.
3. Output Current: Capable of providing up to 100 mA of output current.
4. Quiescent Current: Exhibits low quiescent current, typically around 30 µA, which is ideal for battery-powered applications.
5. Input Voltage Range: Operates over a wide input voltage range, typically from 2.1V to 16V.
6. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability.
7. Package: Available in a small SOT-23-5 package, which is ideal for space-constrained applications.
8. Temperature Range: Designed to operate over a temperature range of -40°C to 125°C, suitable for industrial applications.
These features make the LP2981-33DBVR suitable for use in applications requiring efficient voltage regulation with a compact footprint.
Pinout
The LP2981-33DBVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It comes in a SOT-23-5 package, meaning it has 5 pins. The primary function of the LP2981-33DBVR is to provide a fixed output voltage of 3.3 volts with a maximum output current of 100 mA, making it suitable for applications requiring low noise and low quiescent current.
The pin configuration is typically as follows:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VOUT): Regulated output voltage.
3. Pin 3 (N/C): No connection or sometimes used for additional features in custom applications.
4. Pin 4 (VIN): Input voltage supply.
5. Pin 5 (EN or SHDN): Enable or shutdown pin to turn the regulator on or off.
This device is used in battery-powered applications and other systems where power efficiency is crucial, providing stable power supply with minimal power loss.
The pin configuration is typically as follows:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VOUT): Regulated output voltage.
3. Pin 3 (N/C): No connection or sometimes used for additional features in custom applications.
4. Pin 4 (VIN): Input voltage supply.
5. Pin 5 (EN or SHDN): Enable or shutdown pin to turn the regulator on or off.
This device is used in battery-powered applications and other systems where power efficiency is crucial, providing stable power supply with minimal power loss.
Manufacturer
The LP2981-33DBVR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. The company is known for its innovation in the electronics industry and provides a wide range of products, including microcontrollers, processors, sensors, and power management solutions. TI serves diverse markets, including automotive, industrial, personal electronics, communication equipment, and enterprise systems.
Application
The LP2981-33DBVR is a low-dropout (LDO) voltage regulator commonly used in various applications due to its efficiency and reliability. Key application areas include:
1. Portable Devices: Provides stable voltage supply for smartphones, tablets, and wearables.
2. Consumer Electronics: Powers components in TVs, cameras, and gaming consoles.
3. Industrial Equipment: Used in automation systems for consistent power delivery.
4. Communication Devices: Ensures stable voltage in routers and wireless systems.
5. Medical Devices: Supplies reliable power in diagnostic and wearable medical equipment.
6. Automotive Electronics: Supports sensors and microcontrollers in automotive systems.
These applications benefit from the LP2981's low dropout voltage and efficient power regulation.
1. Portable Devices: Provides stable voltage supply for smartphones, tablets, and wearables.
2. Consumer Electronics: Powers components in TVs, cameras, and gaming consoles.
3. Industrial Equipment: Used in automation systems for consistent power delivery.
4. Communication Devices: Ensures stable voltage in routers and wireless systems.
5. Medical Devices: Supplies reliable power in diagnostic and wearable medical equipment.
6. Automotive Electronics: Supports sensors and microcontrollers in automotive systems.
These applications benefit from the LP2981's low dropout voltage and efficient power regulation.
Package
The LP2981-33DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments, typically available in a SOT-23-5 package type, which is a small outline transistor package with five leads. This compact packaging is ideal for space-constrained applications.
