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SI7661ESA+

SI7661ESA+ Description

The SI7661ESA+ is a high-performance, fixed-output, charge pump voltage regulator designed by Analog Devices Inc./Maxim Integrated. This device is optimized for applications requiring a reliable and efficient power supply solution with a wide input voltage range of 4.5V to 20V and a maximum output current of 20mA. The SI7661ESA+ operates in a ratiometric mode, ensuring that the output voltage is proportional to the input voltage, which is particularly useful in applications where the input voltage may vary.

SI7661ESA+ Features

• Output Type: Fixed, ensuring a stable output voltage suitable for a wide range of applications.
• Input Voltage Range: 4.5V to 20V, providing flexibility and compatibility with various power sources.
• Output Current: 20mA, sufficient for driving small loads and sensors.
• Output Configuration: Positive or Negative, offering versatility in circuit design.
• Switching Frequency: 10kHz, which minimizes switching losses and ensures efficient operation.
• Topology: Charge Pump, which provides high efficiency and low noise, making it ideal for sensitive applications.
• Mounting Type: Surface Mount, allowing for compact and reliable integration into modern PCB designs.
• Package: Tube, ensuring easy handling and storage during manufacturing processes.
• Compliance: REACH Unaffected and ROHS3 Compliant, meeting stringent environmental and regulatory standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), ensuring robustness in various environmental conditions.

SI7661ESA+ Applications

The SI7661ESA+ is well-suited for a variety of applications where a reliable and efficient power supply is essential. Its wide input voltage range and fixed output make it ideal for:

• Battery-powered devices: The wide input voltage range ensures compatibility with various battery chemistries and states of charge.
• Sensor applications: The low output current and stable output voltage make it suitable for powering sensors in IoT and industrial applications.
• Portable electronics: The charge pump topology and surface mount package make it a compact and efficient solution for space-constrained designs.
• Telecommunications: The device's efficiency and low noise characteristics make it suitable for powering sensitive components in communication equipment.

Conclusion of SI7661ESA+

The SI7661ESA+ from Analog Devices Inc./Maxim Integrated stands out as a robust and versatile solution for applications requiring a reliable power supply. Its wide input voltage range, fixed output, and charge pump topology ensure high efficiency and low noise, making it suitable for a variety of applications, from battery-powered devices to sensitive sensor systems. The device's compliance with environmental and regulatory standards further enhances its appeal for modern electronics design. Whether in portable electronics, telecommunications, or industrial applications, the SI7661ESA+ offers a reliable and efficient power supply solution that meets the demands of today's electronics industry.