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ADM8660ARZ
+BOMIC REG CHARGE PUMP INV 8SOIC
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #ADM8660ARZ
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Bảng dữ liệu ADM8660ARZ DataSheet
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Gói SOIC-8
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Có sẵn4151
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 7V |
| Voltage-Output(Min/Fixed) | -Vin |
| Current-Output | 100mA |
| Frequency-Switching | 25kHz, 120kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
Key features of the ADM8660ARZ include a low operating current, high efficiency, and the ability to operate over a wide input voltage range. It typically outputs a voltage equal in magnitude but opposite in polarity to the input voltage. The IC is designed to be easy to implement, requiring minimal external components, typically just two capacitors for operation.
The ADM8660ARZ is packaged in a compact, surface-mount form factor, making it suitable for space-constrained applications. Additionally, its low quiescent current and efficient design help extend battery life, making it ideal for portable devices.
Equivalent
1. MAX660 from Maxim Integrated
2. LTC1044 from Analog Devices (formerly Linear Technology)
3. TC7660 from Microchip Technology
4. ICL7660 from Intersil (now part of Renesas Electronics)
5. HT7660 from Holtek
These components perform similar voltage conversion functions as the ADM8660ARZ. Always check the specific datasheets to ensure compatibility with your application.
Features
1. Voltage Conversion: It efficiently converts positive input voltages to corresponding negative outputs, making it suitable for dual-supply systems.
2. Input Voltage Range: Operates over a wide input voltage range, typically from 1.5V to 7V.
3. Output Current: Capable of supplying up to 60 mA of output current.
4. Efficiency: High conversion efficiency, often above 90%, depending on load conditions.
5. Low Quiescent Current: Features reduced power consumption with a low quiescent current, making it energy-efficient.
6. Regulation: The output voltage can be regulated, providing a stable negative supply.
7. Compact Package: Available in a small form factor, such as the SOIC package, which is ideal for space-constrained applications.
8. Protection Features: Includes thermal shutdown and short-circuit protection to enhance reliability.
9. Applications: Commonly used in battery-operated devices, LCD biasing, and other systems requiring negative voltage rails.
These features make the ADM8660ARZ a versatile component for various electronic applications needing efficient voltage inversion.
Pinout
1. CAP+: Positive terminal for the external charge pump capacitor.
2. GND: Ground connection.
3. CAP-: Negative terminal for the external charge pump capacitor.
4. LV (Low Voltage): Input pin for low-voltage operation; usually connected to the ground if unused.
5. OUT: The output pin for the doubled voltage.
6. V_IN: Input voltage supply pin.
7. SHDN (Shutdown): Active-low shutdown pin to disable the device and reduce power consumption.
8. FB (Feedback): Feedback pin used to set the output voltage when using a voltage regulator configuration.
The ADM8660ARZ operates as a voltage doubler or inverter, converting an input voltage to a higher or negative voltage, depending on the configuration. It is commonly used in applications requiring battery-powered devices to efficiently step up or invert voltages.
Manufacturer
Application
1. LCD Biasing: Providing necessary voltage levels for LCD displays.
2. Operational Amplifier Supply: Supplying negative voltages for operational amplifiers in audio and sensor applications.
3. Mixed-Signal Systems: Offering a negative supply in systems combining digital and analog components.
4. Power Management: Used in power supply designs for efficient voltage regulation and conversion.
5. Portable Devices: Ideal for battery-powered devices due to its efficient voltage conversion capabilities.
These applications highlight its role in voltage inversion and regulation tasks in various electronic systems.