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LM337BTG
LDO Regulator Neg -1.2V to -37V 0.4A 3-Pin(3+Tab) TO-220 Tube
LM337BTG
LDO Regulator Neg -1.2V to -37V 0.4A 3-Pin(3+Tab) TO-220 Tube
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LM337BTG 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The LM337BTG is a versatile and user-friendly 3-terminal negative linear voltage regulator designed to provide adjustable output voltage ranging from -1.2V to -37V. This high-performance regulator requires only two external resistors to set the desired output voltage, offering exceptional ease of use. It incorporates internal current limiting, thermal shutdown, and safe area compensation features, making it essentially blow-out proof and suitable for a wide range of applications, including local on-card regulation and programmable output regulation. Furthermore, by connecting a fixed resistor between the adjustment and output, the LM337BTG can function as a precision current regulator, adding to its flexibility. With a capability of supplying in excess of 1.5A of current, this linear voltage regulator is a reliable and efficient solution for demanding voltage regulation needs in electronic systems
主要特徵
- Pb-Free Packages Available for Lead-Free Applications
- Compact Design and Low Power Consumption
- Wide Input Operating Voltage Range (9-40V)
應用
- Industrial
- Power Management
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Status | Active | CAD Models | |
| Compliance | PbAHP | Package Type | TO-220-3 |
| Case Outline | 221AB | MSL Type | NA |
| MSL Temp (°C) | 0 | Container Type | TUBE |
| Container Qty. | 50 | ON Target | N |
| Output | Single | Polarity | Negative |
| VO (V) | Adj | IO Typ (A) | 1.5 |
| VI Min (V) | 2.9 | VI Max (V) | -40 |
| VDO Typ (V) | 2.5 | PSRR (dB) | 77 |
| Enable | No | PowerGood | No |
| Application | Industrial | Pricing ($/Unit) | $0.3415 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LM337BTG?
The LM337BTG is a three-terminal adjustable negative voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and adjustable negative voltage output, making it suitable for various applications such as power supplies, voltage regulators, and voltage references.
How Does LM337BTG Work?
The LM337BTG operates as a negative voltage regulator by adjusting the output voltage level based on the reference voltage and resistor values. It regulates the output voltage relative to the input voltage and the resistor values connected to the adjustment pin. By adjusting the resistors, the output voltage can be set to the desired level within the specified range.
How Many Pins does LM337BTG have and What are the Functions of the Pinout Configuration?
The LM337BTG is housed in a 3-pin TO-252 package. The pinout configuration includes:
- Input (VIN): Input voltage pin.
- Output (VOUT): Regulated negative output voltage pin.
- Adjust (ADJ): Adjustment pin for setting the output voltage.
What are the Pros and Cons of LM337BTG?
Pros:
- Adjustable Output: Allows precise negative voltage regulation for custom requirements.
- Short Circuit Protection: Provides protection against short circuits, enhancing device reliability.
- Thermal Shutdown: Includes thermal shutdown feature to prevent overheating.
- Cost-Effective: Provides a cost-effective solution for obtaining regulated negative voltages.
- Compact Size: The TO-252 package offers a compact size suitable for space-constrained applications.
Cons:
- Heat Dissipation: May require a heatsink for efficient heat dissipation, especially at higher currents.
- Power Dissipation: Can generate significant power dissipation during voltage regulation.
- External Components: Requires external capacitors and resistors for proper operation and stability.
Are There Any Equivalents/Alternatives to LM337BTG for Recommendation?
- The LM7905 from Texas Instruments is a fixed negative voltage regulator similar to the LM337BTG.
- Alternatives to the LM337BTG include the LT1963A from Analog Devices and the MIC29302 from Microchip Technology.
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