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LT1054CS8
+BOMSwitching Voltage Regulators Switched-Capacitor Voltage Converter with Regulator
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Nhà sản xuấtAnalog Devices
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Ông. Phần #LT1054CS8
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Bảng dữ liệu LT1054CS8 DataSheet
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Description
Key features of the LT1054CS8 include low quiescent current, high output current capability, and the ability to handle input voltages ranging from 3.5V to 15V. The device can deliver up to 100mA at typical operating conditions and is efficient due to its low-loss mechanism. Additionally, the LT1054CS8 includes a built-in oscillator, voltage regulation, and thermal shutdown for safe operation.
Its applications span various fields, including battery-powered systems, LCD bias supplies, and operational amplifier power supplies. Packaged in an 8-pin SOIC, the LT1054CS8 is designed for easy integration into a variety of electronic designs requiring efficient voltage conversion.
Equivalent
Features
1. Voltage Conversion: It can function as a voltage inverter, doubling or dividing voltage, making it suitable for various applications.
2. Input Voltage Range: Operates over a wide input voltage range, typically from 3.5V to 15V, allowing flexibility in power supply options.
3. Switching Frequency: Typically operates at 25kHz, providing a balance between efficiency and output ripple.
4. Output Current: Capable of delivering up to 100mA output current, suitable for powering small to moderate loads.
5. Efficiency: Designed for high efficiency, typically around 80% or higher, depending on the configuration and load conditions.
6. Low Quiescent Current: Consumes minimal power when idle, helping to extend battery life in portable applications.
7. Compact Package: Available in an 8-pin SOIC package, facilitating easy integration into circuit designs.
8. Internal Oscillator and Regulation: Includes an internal oscillator and regulation circuitry, reducing the need for additional components.
These features make the LT1054CS8 a robust choice for applications requiring efficient DC-DC voltage conversion.
Pinout
Here is the pin configuration and function:
1. Pin 1 (CAP+): Positive terminal for the external capacitor.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (CAP-): Negative terminal for the external capacitor.
4. Pin 4 (VOUT): The output voltage pin.
5. Pin 5 (V+) : The positive supply voltage input.
6. Pin 6 (OSC): Frequency control pin, allowing for adjustment of the oscillator frequency.
7. Pin 7 (S2): This pin is used for frequency boost. When connected to V+, it doubles the oscillator frequency.
8. Pin 8 (S1): This pin is used for shutdown. Connecting it to V+ puts the device in low-power shutdown mode.
The LT1054CS8 is versatile, enabling various voltage conversion solutions in a compact format, making it suitable for battery-powered and other low-power applications.