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LP2981IM5X-3.3
+StücklisteIC REG LINEAR 3.3V 100MA SOT23-5
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HerstellerTexas Instruments
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Herstellerteil #LP2981IM5X-3.3
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Paket SOT-23-5
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Auf Lager3910
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| 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 |
Übersicht
Description
The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator designed by Texas Instruments. It is part of the LP2981 series, known for its efficient power management capabilities, specifically in battery-powered and portable applications. The device provides a fixed output voltage of 3.3V, supporting a load current of up to 100 mA.
Key features include a low dropout voltage of typically 280 mV at full load, which helps in extending battery life by allowing the regulator to maintain regulation with a minimal voltage difference between input and output. The LP2981IM5X-3.3 offers excellent line and load transient response, as well as high output voltage accuracy and stability.
With built-in overcurrent and thermal protection, the device is robust against short circuits and overheating. It comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its low quiescent current of 30 µA ensures minimal power consumption when in standby mode. Overall, the LP2981IM5X-3.3 is ideal for use in various electronic devices requiring efficient power regulation.
Key features include a low dropout voltage of typically 280 mV at full load, which helps in extending battery life by allowing the regulator to maintain regulation with a minimal voltage difference between input and output. The LP2981IM5X-3.3 offers excellent line and load transient response, as well as high output voltage accuracy and stability.
With built-in overcurrent and thermal protection, the device is robust against short circuits and overheating. It comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its low quiescent current of 30 µA ensures minimal power consumption when in standby mode. Overall, the LP2981IM5X-3.3 is ideal for use in various electronic devices requiring efficient power regulation.
Equivalent
The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205-3.3YM5 by Microchip Technology.
2. NCP5500DT33RKG by ON Semiconductor.
3. TLV70833DBVR by Texas Instruments.
4. AP7333-33WG-7 by Diodes Incorporated.
These alternatives offer similar voltage regulation capabilities and package types. Always verify specific electrical parameters and pin configurations when selecting a replacement.
1. MIC5205-3.3YM5 by Microchip Technology.
2. NCP5500DT33RKG by ON Semiconductor.
3. TLV70833DBVR by Texas Instruments.
4. AP7333-33WG-7 by Diodes Incorporated.
These alternatives offer similar voltage regulation capabilities and package types. Always verify specific electrical parameters and pin configurations when selecting a replacement.
Features
The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator designed to provide a constant 3.3V output. Key features include:
1. Low Dropout Voltage: Typically around 280 mV at full load, enhancing efficiency and performance.
2. High Accuracy: Offers an output voltage accuracy of ±1.5%, ensuring stable voltage supply.
3. Low Quiescent Current: Approximately 30 µA, making it suitable for battery-powered applications.
4. Load Regulation: Maintains stable output voltage despite varying loads.
5. Current Limiting: Protects against overcurrent conditions, enhancing reliability.
6. Thermal Protection: Automatically shuts down the device in case of overheating, preventing damage.
7. Reverse Battery Protection: Safeguards against reverse polarity connections.
8. Extended Temperature Range: Supports operation from -40°C to +125°C, ideal for industrial and automotive environments.
9. Small Package: Available in a SOT-23-5 package, saving board space.
These features make the LP2981IM5X-3.3 a versatile solution for applications requiring reliable voltage regulation, especially in compact and energy-sensitive designs.
1. Low Dropout Voltage: Typically around 280 mV at full load, enhancing efficiency and performance.
2. High Accuracy: Offers an output voltage accuracy of ±1.5%, ensuring stable voltage supply.
3. Low Quiescent Current: Approximately 30 µA, making it suitable for battery-powered applications.
4. Load Regulation: Maintains stable output voltage despite varying loads.
5. Current Limiting: Protects against overcurrent conditions, enhancing reliability.
6. Thermal Protection: Automatically shuts down the device in case of overheating, preventing damage.
7. Reverse Battery Protection: Safeguards against reverse polarity connections.
8. Extended Temperature Range: Supports operation from -40°C to +125°C, ideal for industrial and automotive environments.
9. Small Package: Available in a SOT-23-5 package, saving board space.
These features make the LP2981IM5X-3.3 a versatile solution for applications requiring reliable voltage regulation, especially in compact and energy-sensitive designs.
Pinout
The LP2981IM5X-3.3 is a low-dropout (LDO) voltage regulator. It comes in a 5-pin SOT-23 package. Here's a brief overview of its pin configuration and functions:
1. Pin 1 (Vout): Output voltage pin where the regulated 3.3V voltage is provided.
2. Pin 2 (Ground): Ground pin serving as the return path for circuit current.
3. Pin 3 (Enable): An active-high input pin used to enable or disable the regulator. When high, the regulator is in operation; when low, it is in shutdown mode.
4. Pin 4 (Bypass): This pin is used to connect an external capacitor to improve noise performance and transient response.
5. Pin 5 (Vin): Input voltage pin where the unregulated input voltage is supplied.
The LP2981 series is designed for portable and battery-powered applications, providing a stable output with low dropout voltage and low quiescent current.
1. Pin 1 (Vout): Output voltage pin where the regulated 3.3V voltage is provided.
2. Pin 2 (Ground): Ground pin serving as the return path for circuit current.
3. Pin 3 (Enable): An active-high input pin used to enable or disable the regulator. When high, the regulator is in operation; when low, it is in shutdown mode.
4. Pin 4 (Bypass): This pin is used to connect an external capacitor to improve noise performance and transient response.
5. Pin 5 (Vin): Input voltage pin where the unregulated input voltage is supplied.
The LP2981 series is designed for portable and battery-powered applications, providing a stable output with low dropout voltage and low quiescent current.
Manufacturer
The LP2981IM5X-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is a global technology company that designs and manufactures semiconductors and various integrated circuits. TI’s products are widely used in electronics systems and are integral to applications across various industries, including automotive, industrial, personal electronics, and communications. The company is known for its innovation in analog chips and embedded processors, which are crucial components in electronic devices. Texas Instruments has a long history in the semiconductor industry and is recognized for its contributions to advancing technology and efficiency in electronic products.
Application
The LP2981IM5X-3.3, a low-dropout (LDO) voltage regulator, is commonly used in various applications due to its efficiency and stability. Key application areas include:
1. Portable Devices: Ideal for smartphones, tablets, and handheld gadgets due to its low quiescent current.
2. Battery-Powered Equipment: Extends battery life by efficiently managing power in devices like cameras and wearables.
3. Consumer Electronics: Used in audio and video equipment for stable voltage supply.
4. Wireless Communication: Supports RF modules by providing clean power supply.
5. Industrial and Medical Equipment: Ensures reliable operation in sensitive applications with stringent power requirements.
Its compact size and low noise make it suitable for space-constrained and noise-sensitive environments.
1. Portable Devices: Ideal for smartphones, tablets, and handheld gadgets due to its low quiescent current.
2. Battery-Powered Equipment: Extends battery life by efficiently managing power in devices like cameras and wearables.
3. Consumer Electronics: Used in audio and video equipment for stable voltage supply.
4. Wireless Communication: Supports RF modules by providing clean power supply.
5. Industrial and Medical Equipment: Ensures reliable operation in sensitive applications with stringent power requirements.
Its compact size and low noise make it suitable for space-constrained and noise-sensitive environments.
Package
The LP2981IM5X-3.3 is packaged in a SOT-23-5 (Small Outline Transistor) form factor, which is a small, surface-mount package with five pins. This is common for linear voltage regulators like the LP2981 series, providing a compact solution for efficient voltage regulation.
