LM2662M/NOPB
Switching Voltage Regulators SWITCHED CAPACITOR VLTG CONVERTERLM2662M/NOPB
Switching Voltage Regulators SWITCHED CAPACITOR VLTG CONVERTER
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製造商零件號 # : LM2662M/NOPB
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包裝/封裝: SOIC-8
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零件狀態 : End Of Life
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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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LM2662M/NOPB 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $1.655 | $1.66 |
10 | $1.427 | $14.27 |
30 | $1.285 | $38.55 |
95 | $1.110 | $105.45 |
475 | $1.045 | $496.38 |
950 | $1.016 | $965.20 |
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 LM2662M/NOPB is a versatile IC designed for DC/DC voltage conversion, housed in an 8-SOIC package. Boasting a primary input voltage of 5.5V, this converter offers a single output with a current rating of 200mA, making it ideal for low-power applications. Its operating temperature range of -40°C to +85°C enables consistent performance across various environmental conditions. With 8 pins and compatibility with leaded processes, the LM2662M/NOPB ensures easy integration and reliable operation. The device's max primary input voltage of 5.5V further enhances its suitability for demanding industrial and automotive environments
![LM2662M/NOPB LM2662M/NOPB](/files/uploads/product/b/28efceb8-c719-4668-3639-08dbbf1058de.webp)
主要特徵
- Wide input voltage range up to 5V
- Compact design for space-saving applications
- High efficiency power conversion
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 | 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 LM2662M/NOPB?
The LM2662M/NOPB is a switched capacitor voltage converter designed by Texas Instruments. It is commonly used to generate a negative voltage from a positive input voltage, making it ideal for applications that require a negative supply rail, such as op-amp circuits and biasing for TFT-LCD displays.
How Does LM2662M/NOPB Work?
The LM2662M/NOPB works by utilizing a switched capacitor topology to invert the input voltage and generate a negative output voltage. It uses charge-pump techniques to efficiently produce the negative voltage rail without the need for inductors, making it suitable for space-constrained designs. The converter can provide a regulated negative output voltage from an unregulated input voltage.
How Many Pins does LM2662M/NOPB have and What are the Functions of the Pinout Configuration?
The LM2662M/NOPB is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive input voltage pin.
- V-: Negative output voltage pin.
- C1-: Negative flying capacitor pin.
- C1+: Positive flying capacitor pin.
- C2+: C2+ flying capacitor pin.
- C2-: C2- flying capacitor pin.
- GND: Ground pin.
- SHDN: Shutdown/control pin.
What are the Pros and Cons of LM2662M/NOPB?
Pros:
- Efficiency: Provides efficient generation of negative output voltage without the need for inductors.
- Space-Saving: Compact package and inductorless design make it suitable for space-constrained applications.
- Regulated Output: Can provide a regulated negative output voltage even from unregulated input sources.
- Shutdown Feature: Includes a shutdown pin for power-saving and control purposes.
Cons:
- Output Current Limitation: May have limitations on the maximum output current compared to certain linear regulators.
- Noisy Output: Switched capacitor converters may introduce some noise on the output voltage.
Are There Any Equivalents/Alternatives to LM2662M/NOPB for Recommendation?
- The ICL7660 from Intersil is a similar switched capacitor voltage converter with comparable functionality.
- Alternatives to the LM2662M/NOPB include the MAX764 from Maxim Integrated and the LT1054 from Analog Devices.
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