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LM337SP
IC REG LIN NEG ADJ 1.5A TO220
- 제조업체
- Mfr.부분 #LM337SP
- 패키지 TO-220
- 데이터시트
- 재고 있음4853
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배송 준비 24 시간
365 일 보장
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사양
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | -1.2V |
| Voltage-Output(Max) | -37V |
| Current-Output | 1.5A |
| PSRR | 77dB ~ 60dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
개요
Description
The LM337SP can deliver up to 1.5A of output current and offers features such as thermal regulation, current limiting, and safe area protection, which enhance its reliability and safety in circuit design. The IC is typically used in power supplies, battery chargers, and as part of dual power supply circuits.
The regulator requires only two external resistors to set the output voltage, which makes it easy to configure. It is often employed in situations where a stable and adjustable negative voltage is needed. The LM337SP is available in a variety of package options, commonly TO-220, which facilitates easy mounting and heat dissipation.
Overall, its flexibility and reliability make the LM337SP a popular choice for applications requiring precise negative voltage regulation.
Features
Key features include thermal regulation and current limiting, ensuring safe operation under extreme conditions and preventing damage due to excessive load or temperature. The LM337SP maintains a low output voltage ripple, which ensures stable DC output and reduces noise.
Moreover, it is characterized by a dropout voltage typically around 3V, meaning it requires at least this much difference between input and output voltages for proper regulation. It also features a typical line regulation of 0.01%/V and load regulation of 0.3%, ensuring consistent performance even with varying input voltages and loads.
The LM337SP comes in a TO-220 package, facilitating easy heat dissipation, and is widely used in power supplies and electronic circuits that need a reliable negative voltage source.
Package
Pinout
1. Input Pin: This is the pin where the unregulated negative input voltage is applied. The LM337SP regulates this input to maintain a stable output voltage.
2. Output Pin: The regulated negative voltage is output through this pin. It supplies a consistent voltage to the load connected to the regulator.
3. Adjust Pin: This pin is used to set the output voltage. By connecting resistors between this pin and the output, as well as between the adjust pin and ground, you can set the desired output voltage according to the required application.
The LM337SP can provide a variety of output voltages from -1.2V to -37V, depending on the external resistor configuration. It is widely used in power supply applications due to its ability to deliver consistent performance and flexibility in output voltage settings.
Manufacturer
Application
Equivalent
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