LM2940IMP-15/NOPB
LDO Voltage Regulators 1A LDO REG
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製造商零件號 # : LM2940IMP-15/NOPB
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包裝/封裝: SOT223-4
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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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LM2940IMP-15/NOPB 數據表
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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
Moreover, the LM2940-N and LM2940C incorporate familiar regulator features, such as short circuit and thermal overload protection, further enhancing their reliability and durability. These features provide peace of mind, knowing that the regulator can withstand unexpected events without compromising its functionality. Whether used in automotive, industrial, or consumer electronics, the LM2940-N and LM2940C are dependable voltage regulators that deliver consistent performance in challenging environments
主要特徵
- Molded Plastic Package with Terminals
- Operating Temperature Range 0°C to 150°C
- High-Quality Components Ensuring Reliability
應用
- Automotive
- Automation & Process Control
- 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。
Output options | Fixed Output | Iout (max) (A) | 1 |
Vin (max) (V) | 26 | Vin (min) (V) | 6 |
Vout (max) (V) | 15 | Vout (min) (V) | 5 |
Fixed output options (V) | 5, 8, 9, 10, 12, 15 | Noise (µVrms) | 150 |
Iq (typ) (mA) | 10 | Thermal resistance θJA (°C/W) | 23 |
Rating | Catalog | Load capacitance (min) (µF) | 22 |
Regulated outputs (#) | 1 | Accuracy (%) | 2 |
PSRR at 100 KHz (dB) | 48 | Dropout voltage (Vdo) (typ) (mV) | 500 |
Operating temperature range (°C) | -40 to 125, -40 to 85 |
Specification Comparison
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 LM2940IMP-15/NOPB?
The LM2940IMP-15/NOPB is a low dropout voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and regulated output voltage, even when the input voltage is close to the desired output voltage. This regulator is particularly useful in applications where a reliable and constant power supply is required.
How Does LM2940IMP-15/NOPB Work?
The LM2940IMP-15/NOPB operates by regulating the input voltage to provide a consistent output voltage. It utilizes a pass transistor that adjusts its resistance to maintain the desired output voltage. The low dropout feature allows it to regulate the output even with a minimal voltage difference between the input and output.
How Many Pins does LM2940IMP-15/NOPB have and What are the Functions of the Pinout Configuration?
The LM2940IMP-15/NOPB is housed in a 3-pin SOT-223 (Small Outline Transistor) package. The pinout configuration includes:
- IN: Input voltage pin.
- GND: Ground pin.
- OUT: Regulated output voltage pin.
What are the Pros and Cons of LM2940IMP-15/NOPB?
Pros:
- Low Dropout Voltage: Can regulate output voltage even with low input-output voltage differentials.
- Stable Output: Provides a stable and reliable output voltage for connected devices.
- Thermal Shutdown Protection: Features thermal shutdown protection to prevent overheating.
- Short Circuit Protection: Offers short circuit protection for added safety.
- Compact Package: The SOT-223 package is small and suitable for space-constrained applications.
Cons:
- Heat Dissipation: May require a heat sink for better heat dissipation in high-power applications.
- Dropout Voltage: The dropout voltage specification may limit the usable input voltage range.
- External Capacitors: May need external capacitors for stability and filtering, increasing component count.
Are There Any Equivalents/Alternatives to LM2940IMP-15/NOPB for Recommendation?
- The LM2937 from Texas Instruments is a similar low dropout voltage regulator with a different maximum output voltage.
- Alternatives to the LM2940IMP-15/NOPB include the LDO regulators from Analog Devices like the ADP3338 and the LT1763 from Linear Technology.
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