MICROCHIP TC7660CPA DC-DC Charge Pump Voltage Converter, DIP-8, 20mA
MICROCHIP TC7660CPA DC-DC charge pump. Converts 1.5-10V to -1.5 to -10V, 20mA max, DIP-8 package. No inductors required.
The MICROCHIP TC7660CPA is a high-efficiency DC-to-DC charge pump voltage converter designed to simplify power management in electronic circuits. This device elegantly converts a positive input voltage of 1.5V to 10V into a corresponding negative output voltage from -1.5V to -10V. Its operation eliminates the need for bulky inductors, reducing the overall component size and minimising electromagnetic interference (EMI), which is crucial for noise-sensitive applications.
A standout feature is its incredible ease of use, requiring only two inexpensive external capacitors for a complete circuit. This makes it a perfect choice for straightforward inverting power supply generation. The converter offers excellent performance, with a remarkable 99.9% voltage conversion efficiency and up to 98% power efficiency, ensuring minimal energy waste and maximising battery life in portable devices.
Key Features & Specifications
- Pin-Compatible: A direct, drop-in replacement for the industry-standard 7660 charge-pump voltage converter, offering a simple upgrade path.
- Low Power Consumption: Consumes only 80µA at a 5V input, making it ideal for battery-powered equipment.
- Robust Protection: Features 3kV HBM (Human Body Model) improved ESD protection, enhancing reliability during handling and operation.
- Flexible Oscillator: The on-board oscillator runs at a nominal 10kHz. For operations below this frequency, an external capacitor can be connected from the OSC pin to ground.
- High-Voltage Ready: No external diode is required for high-voltage operation, simplifying the design further.
- Sturdy Package: Housed in a standard 8-pin DIP (Dual In-line Package) for easy prototyping and through-hole mounting.
This versatile converter is engineered for reliability and consistent performance across an operating temperature range of 0°C to 70°C. Its compact and inductor-less build
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