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ICL7662EBA+T
+Lista de MateriaisIC REG CHARGE PUMP INV 8SOIC
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #ICL7662EBA+T
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Pacote SOIC-Narrow-8
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Em Estoque3984
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | -Vin |
| Frequency-Switching | 10kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
Key features of the ICL7662EBA+T include low quiescent current, high power efficiency, and the ability to deliver moderate power levels. It can handle input voltages ranging from 1.5V to 12V, making it versatile for various applications. Additionally, it offers a high typical conversion efficiency, which is beneficial for battery-powered devices to extend their operational life.
The ICL7662EBA+T is available in a surface-mount package and is suitable for use in consumer electronics, portable instruments, and other situations where space and power efficiency are critical. Its design makes it a cost-effective solution for generating negative voltages in compact electronic systems.
Equivalent
1. MAX1044: A popular CMOS voltage converter offering similar functionalities.
2. LTC1044: Another equivalent with similar operating parameters for voltage conversion.
3. TC1044: A versatile voltage converter IC similar to the ICL7662.
4. LM2662: Offers similar functionality for voltage inversion or doubling.
These alternatives share similar voltage conversion capabilities and can be used in similar applications.
Features
1. Voltage Inversion: It efficiently converts a positive input voltage to a negative output voltage.
2. Wide Input Voltage Range: Operates effectively with input voltages ranging from 1.5V to 12V.
3. High Efficiency: Utilizes a charge pump method to achieve high-efficiency power conversion.
4. Low Supply Current: Consumes minimal power, making it suitable for battery-powered devices.
5. Oscillator Frequency: Features an internally generated oscillator that controls the charge pump switching frequency.
6. Compact Package: Available in small packaging, including the 8-pin SOIC, which is ideal for space-constrained applications.
7. Low Output Resistance: Provides low output impedance for better performance in delivering power to the load.
8. Extended Temperature Range: Designed to operate over a wide temperature range, making it versatile for various environments.
9. No External Components Needed: Requires no external diodes, making the design simpler and more cost-effective.
These features make the ICL7662EBA+T suitable for applications requiring efficient and compact voltage inversion solutions.
Pinout
1. V+ (Pin 1): Positive supply voltage input.
2. CAP+ (Pin 2): Connection for the positive terminal of the charge pump capacitor.
3. GND (Pin 3): Ground connection.
4. CAP- (Pin 4): Connection for the negative terminal of the charge pump capacitor.
5. VOUT (Pin 5): Voltage output, which can be an inverted or doubled voltage depending on the configuration.
6. LV (Pin 6): Logic level input used to select low voltage operation mode.
7. OSC (Pin 7): Oscillator control, can be used to connect an external oscillator or adjust the frequency.
8. V- (Pin 8): Negative voltage output, typically used for voltage inversion applications.
This IC is widely used in applications requiring low-current, negative voltage generation, such as in analog circuits or portable devices.
Manufacturer
Application
1. Consumer Electronics: Power supply for LCDs and other low-power devices.
2. Battery-Powered Devices: Efficiently generate negative voltages with minimal power consumption.
3. Operational Amplifier Power Supply: Provides a negative rail for dual supply op-amp circuits.
4. Data Acquisition Systems: Supplies negative voltage for analog-to-digital converters or other analog circuits.
5. Portable Instrumentation: Used in portable test equipment requiring bipolar power supplies.
These applications leverage the ICL7662EBA+T's efficiency, small form factor, and ability to function without inductors.