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LM2663M
Switching Voltage Regulators 200mA switched capacitor voltage converter with low current shutdown mode 8-SOIC -40 to 85LM2663M
Switching Voltage Regulators 200mA switched capacitor voltage converter with low current shutdown mode 8-SOIC -40 to 85
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製造商零件號 # : LM2663M
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包裝/封裝: SOIC-8
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製造商: Texas Instruments
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產品分類 : Voltage Regulators - DC DC Switching Regulators
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LM2663M 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $6.138 | $6.14 |
| 200 | $2.376 | $475.20 |
| 500 | $2.292 | $1,146.00 |
| 1000 | $2.252 | $2,252.00 |
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
The LM2662/LM2663 stands out as a reliable and efficient solution for voltage conversion, catering to the needs of various electronic devices. With its ability to deliver 200mA output current using simple capacitor configurations, this converter offers a cost-effective alternative to traditional inductor-based designs. Operating at a low current of 300µA and achieving high efficiency levels, the LM2662/LM2663 excels in battery-powered applications, ensuring optimal performance while conserving energy. The adjustable oscillator frequency and flexible pin configurations provide users with customization options, allowing for seamless integration and enhanced control over the converter's operation
主要特徵
- High Efficiency Converter
- Simple Circuit Design
- Low Power Consumption
- Universal Input Voltage
- Overcurrent Protection
- Auto Restart Feature
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。
| Vin (min) (V) | 1.5 | Vin (max) (V) | 5.5 |
| Vout (min) (V) | -5.5 | Vout (max) (V) | 11 |
| Iout (max) (A) | 0.2 | Regulated outputs (#) | 1 |
| Switching frequency (min) (kHz) | 27.5 | Switching frequency (max) (kHz) | 75 |
| Iq (typ) (mA) | 1.3 | Features | Enable |
| Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
| Type | Charge pump |
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 LM2663M?
The LM2663M is a CMOS voltage converter designed by Texas Instruments. It is specifically designed to generate a negative voltage from a positive voltage supply, making it ideal for applications requiring a negative voltage rail, such as op-amp circuits, portable devices, and battery-powered systems.
How Does LM2663M Work?
The LM2663M operates by using a switched capacitor charge-pump architecture to invert the input voltage and generate a negative output voltage. This negative voltage source can provide a stable and regulated supply for powering analog and digital circuits that require a negative supply rail.
How Many Pins does LM2663M have and What are the Functions of the Pinout Configuration?
The LM2663M is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive voltage input pin.
- V-: Negative voltage output pin.
- Ground (GND): Ground pin.
- Capacitor (C1+ and C1-): External capacitor connections for voltage conversion.
- Shutdown (SHDN): Shutdown control input pin.
What are the Pros and Cons of LM2663M?
Pros:
- Simple Design: Provides a straightforward solution for generating negative voltage rails from positive supplies.
- Low External Component Count: Requires minimal external components for generating the negative voltage output.
- Space-Efficient Package: Housed in a compact 8-pin SOIC package, suitable for space-constrained designs.
Cons:
- Output Current Limit: May have limitations on the maximum output current compared to other negative voltage regulators.
- Input Voltage Range: Limited by the input voltage range for efficient voltage conversion.
Are There Any Equivalents/Alternatives to LM2663M for Recommendation?
The ICL7660 from Maxim Integrated and the LT1054 from Analog Devices are viable alternatives to the LM2663M for generating negative voltage supplies.
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