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LM2937IMPX-3.3
+BOMLM2937 500 MA LOW DROPOUT REGULA
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #LM2937IMPX-3.3
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데이터시트 LM2937IMPX-3.3 DataSheet
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패키지 SOT-223-4
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재고1901
365 1일 품질 보증
7*24 영업 시간 서비스 보증
90-판매 후 1일 보증
정품 보증
사양
| 속성 | 가치 |
| Package / Case | Bulk |
| Part Status | Active |
개요
Description
Key features of the LM2937IMPX-3.3 include its low dropout voltage, which improves efficiency by minimizing power loss, and its integrated thermal shutdown and current limiting capabilities, which protect the device from overheating and overcurrent conditions. The regulator also offers excellent line and load regulation characteristics, ensuring stable output under varying input and load conditions.
The LM2937IMPX-3.3 is commonly used in applications that require a reliable 3.3V power supply, such as microcontrollers, sensors, and communication devices. Its compact surface-mount package makes it an ideal choice for space-constrained designs. Overall, this regulator combines efficiency, protection, and reliability for various electronic applications.
Equivalent
1. LD1117S33 - Offers similar output voltage and current specifications.
2. MIC5205-3.3 - Also provides a fixed 3.3V output with low dropout features.
3. AMS1117-3.3 - Commonly used 3.3V LDO with similar characteristics.
4. AP7333-33 - A low dropout, 3.3V fixed voltage regulator.
Ensure compatibility with your specific application's parameters.
Features
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically 4.75V to 26V, accommodating a variety of applications.
3. Output Current: Capable of supplying up to 500mA.
4. Low Dropout Voltage: Approximately 0.5V at full load, enhancing efficiency.
5. Quiescent Current: Relatively low, which helps reduce power consumption.
6. Thermal Protection: Includes thermal shutdown to protect against overheating.
7. Short-Circuit Protection: Prevents damage in case of output short circuits.
8. Reverse Battery Protection: Safeguards the regulator from damage if the battery is connected backward.
9. Package: Available in a space-saving SOT-223 package, suitable for surface mounting.
These features make the LM2937IMPX-3.3 ideal for applications requiring efficient voltage regulation with high reliability, such as in automotive and industrial electronics.
Pinout
The functions of these pins are as follows:
1. Pin 1 (Input): This is the input pin where the unregulated voltage is applied. It requires a higher voltage than the desired regulated output voltage.
2. Pin 2 (Ground): This pin is connected to the ground. It serves as the common return path for both the input and output.
3. Pin 3 (Output): This pin provides the regulated 3.3V output voltage. It is where the stabilized voltage is available for use by the circuit.
4. Tab (Ground): The metal tab is internally connected to ground and can also be used for thermal dissipation as well as an electrical ground connection.
The LM2937IMPX-3.3 is specifically designed to provide a fixed 3.3V output with a maximum output current of 500 mA. It features low dropout voltage, making it suitable for applications requiring a stable 3.3V supply from a higher voltage source.
Manufacturer
Application
1. Consumer Electronics: Provides reliable power regulation for devices like set-top boxes, gaming consoles, and smart home appliances.
2. Automotive Systems: Used in infotainment systems and dashboard electronics due to its wide operating temperature range.
3. Industrial Automation: Powers control systems, sensors, and communication devices in industrial environments.
4. Telecommunications: Supports networking equipment and mobile base stations that require stable voltage supply.
5. Embedded Systems: Used in microcontroller-based projects and IoT devices for efficient power management.