LM117H
IC REG LINEAR POS ADJ 1.5A TO3
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製造商零件號 # : LM117H
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包裝/封裝: TO-3
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製造商: Texas Instruments
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產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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LM117H 數據表
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詳細說明
One of the key features of the LM117H is its impressive line and load regulation, which ensures that the output voltage remains constant even when the input voltage or load changes. This makes it ideal for applications where precise voltage control is necessary. Additionally, the regulator includes internal thermal shutdown and current limiting protection circuits, enhancing its safety and reliability
![LM117H LM117H](/files/uploads/product/b/340140d4-a21f-4371-528a-08dbbf1058de.webp)
主要特徵
- Advanced temperature control
- Simplified circuit design
- Enhanced noise reduction
- New generation voltage regulator
- Improved line regulation
- Increased power supply range
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。
Category | Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear | Mfr | Texas Instruments |
Series | - | Package | Bulk |
Product Status | Active | Output Configuration | Positive |
Output Type | Adjustable | Number of Regulators ! | 1 |
Voltage - Input (Max) | 40V | Voltage - Output (Min/Fixed) | 1.25V |
Voltage - Output (Max) | 37V | Voltage Dropout (Max) | - |
Current - Output | 1.5A | Current - Quiescent (Iq) | 5 mA |
PSRR | 80dB ~ 65dB (120Hz) | Control Features | - |
Protection Features | Over Current, Over Temperature, Short Circuit | Operating Temperature ! | -55°C ~ 150°C (TJ) |
Mounting Type | Through Hole | Package / Case | TO-205AD, TO-39-3 Metal Can |
Supplier Device Package | TO-3 | Base Product Number | LM117 |
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 LM117H?
The LM117H is a high-precision positive voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a regulated output voltage with high accuracy and low dropout voltage. The LM117H is commonly used in various power supply applications where stable voltage regulation is essential.
How Does LM117H Work?
The LM117H operates by maintaining a constant output voltage regardless of variations in input voltage or load current. It uses an internal voltage reference and feedback mechanism to adjust the output voltage to the desired level. The regulator continuously monitors the output voltage and adjusts its control element to compensate for any deviations, ensuring a stable output.
How Many Pins does LM117H have and What are the Functions of the Pinout Configuration?
The LM117H is available in a metal can TO-39 package with 3 pins. The pinout configuration includes:
- Input (VIN): Voltage input pin.
- Ground (GND): Ground pin.
- Output (VOUT): Regulated output voltage pin.
What are the Pros and Cons of LM117H?
Pros:
- High Precision: Offers precise voltage regulation for stable power supply operation.
- Low Dropout Voltage: Maintains regulation even when input voltage is close to the output voltage.
- Thermal Shutdown Protection: Includes thermal overload protection to prevent overheating.
- Simple Design: Easy to use with minimal external components required.
Cons:
- Heat Dissipation: May require additional heatsinking for high-power applications.
- Higher Cost: High-precision voltage regulators like the LM117H may have a higher cost compared to standard regulators.
Are There Any Equivalents/Alternatives to LM117H for Recommendation?
- The LM317 from Texas Instruments is a popular alternative with similar characteristics to the LM117H.
- Alternatives to the LM117H include the LM338, LM350, and LM7805 voltage regulators.
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