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LM2937IMP-3.3
IC REG LIN 3.3V 400MA SOT223-4
- Manufacturer
- Mfr. Part #LM2937IMP-3.3
- Package SOT-223 (DCY)-4
- Datasheet
- In Stock3146
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 26V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 1V @ 50mA |
| Current-Output | 400mA |
| Current-Quiescent(Iq) | 2 mA |
| Current-Supply(Max) | 1.25 A |
| ProtectionFeatures | Over Temperature, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Overview
Description
Key features include over-temperature and over-current protection, which enhance its reliability and robustness in various operating conditions. The LM2937IMP-3.3 also offers low quiescent current, contributing to overall energy efficiency, particularly in battery-powered applications. Packaged typically in a small SOT-223 or TO-263 form, it allows for easy implementation in space-constrained designs.
With its combination of performance, protection, and compact size, the LM2937IMP-3.3 is a versatile choice for engineers looking to design reliable power supply solutions in consumer electronics, industrial applications, and automotive systems.
Features
1. Output Voltage: Fixed at 3.3V with high precision.
2. Dropout Voltage: Low dropout voltage of approximately 0.5V at full load, allowing efficient operation with a minimal difference between input and output voltages.
3. Current Capability: Can supply output currents up to 500mA.
4. Thermal Protection: Built-in thermal shutdown to prevent damage from overheating.
5. Overcurrent Protection: Includes internal current limiting to protect against short circuits and overload conditions.
6. Operating Temperature: Suitable for a range of -40°C to +125°C, making it versatile for various applications.
7. Stability: Requires only a minimum output capacitor for stable operation.
8. Line and Load Regulation: Excellent regulation characteristics ensure consistent performance despite variations in input voltage and load.
These features make the LM2937IMP-3.3 ideal for use in battery-powered devices, consumer electronics, and applications requiring a reliable power supply with efficient performance.
Package
Pinout
1. Input (Pin 1): This pin receives the input voltage, which should be higher than 3.3V plus the dropout voltage to ensure proper regulation.
2. Ground (Pin 2): This pin is the common ground reference for both the input and output voltages.
3. Output (Pin 3): This pin provides the regulated 3.3V output.
The LM2937IMP-3.3 is designed for use in applications requiring efficient voltage regulation with low dropout characteristics, making it suitable for battery-powered and portable devices.
Manufacturer
Application
Equivalent
1. MIC2937A-3.3 by Microchip Technology
2. LD1086V33 by STMicroelectronics
3. LT1763CS8-3.3 by Analog Devices
4. NCP1117ST33T3G by ON Semiconductor
These alternatives offer similar functionality with variations in specifications, so always check the datasheets for compatibility with your application.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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