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ICL7662EBA
+BOMSwitching Voltage Regulators CMOS Voltage Converter
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Nhà sản xuấtAnalog Devices / Maxim Integrated
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Ông. Phần #ICL7662EBA
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Bảng dữ liệu ICL7662EBA DataSheet
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Có sẵn17603
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Packaging | Tube |
| StandardPackQty | 100 |
Tổng quan
Description
The device includes built-in protection features, such as short-circuit protection and low-output impedance, enhancing its robustness. Additionally, it is designed to operate with minimal external components, usually requiring just two external capacitors to function, simplifying circuit design. Its compact packaging makes it suitable for space-constrained applications. Overall, the ICL7662EBA is a versatile and reliable choice for designers needing efficient negative voltage generation in their projects.
Equivalent
Features
1. Voltage Conversion: It can convert a positive input voltage to a corresponding negative output voltage.
2. Low Supply Voltage: Operates effectively with input voltages as low as 4.5V and up to 20V.
3. Low Supply Current: Typically uses only 200µA, enhancing efficiency in power-sensitive applications.
4. High Efficiency: Achieves efficiencies up to 98% under optimal conditions.
5. No External Diodes Required: Integrates switching circuitry, eliminating the need for external diodes in most applications.
6. Wide Temperature Range: Operates in a broad temperature range, making it suitable for various environments.
7. Compact Package: Available in small, easy-to-use packages, contributing to space savings on printed circuit boards.
8. Easy to Implement: Requires minimal external components, simplifying design and reducing implementation time.
These attributes make the ICL7662EBA ideal for applications where conversion of a positive voltage to a negative supply is needed efficiently and economically.
Pinout
1. Pin 1 (CAP+): Positive terminal for the charge pump capacitor.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (CAP-): Negative terminal for the charge pump capacitor.
4. Pin 4 (VOUT): Negative output voltage.
5. Pin 5 (LV - Logic Voltage): Connect this pin to ground for standard operation or to V+ to bypass the internal oscillator.
6. Pin 6 (OSC): Oscillator control pin. It allows the adjustment of the oscillator frequency by connecting an external capacitor.
7. Pin 7 (V+): Positive supply voltage input.
8. Pin 8 (NC - No Connection): Not internally connected; can be left unconnected.
The ICL7662EBA enables efficient voltage conversion and is widely used in applications requiring dual voltage supply, such as operational amplifiers in portable devices.
Manufacturer
Application
1. Power Supply Design: Providing a negative supply voltage from a positive input, useful in dual-supply op-amp circuits.
2. Battery-Powered Devices: Extends battery life by efficient voltage conversion, suitable for portable electronics.
3. Precision Analog Systems: Offers stable voltage inversion for signal processing in analog circuits.
4. Data Acquisition Systems: Supports ADCs and DACs by providing necessary bipolar supply voltages.
5. LCD Displays: Generates required negative voltage for contrast control in LCD modules.
These applications leverage the ICL7662EBA’s low quiescent current and efficient charge-pump technology.