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LM337IMP
IC REG LIN NEG ADJ 1.5A SOT223-4
- Manufacturer
- Mfr. Part #LM337IMP
- Package
- Datasheet
- In Stock4854
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Specifications
| Part Status | Obsolete |
| Base Product Number | LM337 |
| Output Configuration | Negative |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -40V |
| Voltage - Output (Min/Fixed) | -1.2V |
| Voltage - Output (Max) | -37V |
| Current - Output | 1.5A |
| PSRR | 60dB (120Hz) |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Overview
Description
Key features include its ability to maintain a stable output voltage with minimal external components, thermal overload protection, and short-circuit protection. The device also has a safe operating area protection, making it reliable under diverse operating conditions. It is commonly used in applications requiring stable negative voltage output, and its adjustability makes it suitable for custom voltage levels.
The LM337IMP is often found in TO-220, TO-263, and SOT-223 packages, with the SOT-223 variant (LM337IMP) preferred for compact designs due to its small size. These features make it a popular choice for use in consumer electronics, industrial controls, and other systems requiring efficient voltage regulation.
Features
1. Adjustable Output: Provides output voltages ranging from -1.2V to -37V, making it suitable for various applications requiring negative voltage regulation.
2. Current Capacity: Capable of delivering over 1.5A of output current with adequate heat sinking. This makes it suitable for moderate power applications.
3. Line and Load Regulation: Offers excellent line and load regulation, ensuring stable output despite variations in input voltage or output load conditions.
4. Thermal Overload Protection: Built-in protection against overheating ensures the device shuts down safely if it surpasses a certain temperature, enhancing reliability.
5. Current Limiting: Includes current limiting to prevent damage from overcurrent situations, providing robust fault tolerance.
6. Safe Operating Area Protection: Ensures the device operates within safe limits under all conditions, preventing potential damage.
7. Low Minimum Load Current: Requires only a small minimum load current for proper regulation, enhancing efficiency in light load conditions.
These features make the LM337IMP a reliable choice for applications needing adjustable negative voltage regulation, such as power supplies and various electronic circuits.
Package
Pinout
1. Input (Vin): This is where the unregulated negative voltage is applied.
2. Output (Vout): This pin provides the regulated negative output voltage.
3. Adjust (Adj): This pin is used to adjust the output voltage. By connecting a resistor network between the output and adjust pins, the output voltage can be set to a desired level.
The LM337IMP is used to provide a stable and adjustable negative output voltage, typically ranging from -1.25V to -37V, with a maximum output current of around 1.5A, depending on the package and conditions. The device is commonly used in power supply circuits where negative voltage regulation is required.
Manufacturer
Application
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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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