LM7805ACT
LM7805ACT: 3-Terminal Linear Voltage Regulator with 1A Output and 2% ToleranceLM7805ACT
LM7805ACT: 3-Terminal Linear Voltage Regulator with 1A Output and 2% Tolerance
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LM7805ACT 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $13.043 | $13.04 |
200 | $5.048 | $1,009.60 |
500 | $4.871 | $2,435.50 |
1000 | $4.782 | $4,782.00 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
Engineers and hobbyists alike value the LM7805ACT for its robust design and consistent performance. With its straightforward integration, it simplifies the task of ensuring a steady 5V supply in a wide array of electronic projects. Its current limiting and thermal shutdown features offer peace of mind, especially when dealing with sensitive or valuable equipment that requires a stable power source
![](/files/uploads/product/b/e535fb7a6c1f48298ab71914a3fe913f.webp)
主要特徵
- The LM7805ACT has thermal overload protection
- It has short circuit protection for safe operation
- This IC is suitable for powering devices requiring 5V DC supply
應用
- Perfect for motor control
- Audio amplifiers made easy
- Efficient power supply option
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。
Product Category ! | Linear Voltage Regulators | RoHS | Details |
Mounting Style | Through Hole | Package / Case | TO-220-3 |
Number of Outputs | 1 Output | Polarity | Positive |
Output Voltage | 5 V | Output Current ! | 1 A |
Output Type | Fixed | Input Voltage, Min | 7.5 V |
Input Voltage, Max | 20 V | Minimum Operating Temperature | 0 C |
Maximum Operating Temperature ! | + 125 C | Load Regulation ! | 100 mV |
Line Regulation ! | 50 mV | Series | LM7805A |
Brand | onsemi / Fairchild | Product Type ! | Linear Voltage Regulators |
PSRR / Ripple Rejection - Typ | 68 dB | Factory Pack Quantity | 50 |
Subcategory | PMIC - Power Management ICs | Unit Weight | 0.042823 oz |
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 LM7805ACT?
The LM7805ACT is a linear voltage regulator IC from the LM78xx series manufactured by Texas Instruments. It is a 3-terminal device that provides a fixed 5V output voltage from a higher input voltage.
How Does LM7805ACT Work?
The LM7805ACT works by regulating the input voltage to a stable 5V output voltage. It uses a series pass transistor to control the output voltage and provide a constant, regulated power supply for various electronics circuits and components.
How Many Pins does LM7805ACT have and What are the Functions of the Pinout Configuration?
The LM7805ACT is housed in a TO-220 package with three pins:
- Input (Vin): Pin 1, which receives the unregulated input voltage.
- Ground (GND): Pin 2, for the ground reference connection.
- Output (Vout): Pin 3, which provides the regulated 5V output voltage.
What are the Pros and Cons of LM7805ACT?
Pros:
- Simple Design: Easy to use with minimal external components required.
- Stable Output: Provides a stable 5V output voltage even with input voltage fluctuations.
- Widely Available: Commonly used and readily available in the market.
- Overcurrent Protection: Some variants come with built-in overcurrent protection.
- Cost-Effective: Offers a cost-effective solution for voltage regulation.
Cons:
- Heat Dissipation: May require a heat sink for better thermal management, especially for high current applications.
- Fixed Output Voltage: Output voltage is fixed at 5V and not adjustable.
- Limited Current: Limited maximum output current compared to some other regulators.
Are There Any Equivalents/Alternatives to LM7805ACT for Recommendation?
- The LM2940 from Texas Instruments is a low dropout regulator with similar functionality.
- Alternatives to the LM7805ACT include the MC7805 from ON Semiconductor and the UA7805 from STMicroelectronics.
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