The SI-7600-EL is a series of 3-terminal buck regulator ICs manufactured by Sanken Electric. They are designed for step-down voltage regulation in a variety of applications. These regulators offer high efficiency and require only a few external components, making them a compact and cost-effective solution for power management.

Applications:

• Power supplies for industrial equipment
• On-board regulators
• Power supplies for consumer electronics
• Battery chargers
• Point-of-load (POL) regulators

Features:

• High efficiency (typically >80%)
• Output current up to 2A
• Built-in overcurrent protection
• Built-in thermal shutdown protection
• Adjustable output voltage
• Requires only a few external components
• Compact package

Benefits:

• Efficient power conversion reduces heat dissipation and energy consumption
• Simplified design reduces the bill of materials and manufacturing costs
• Robust protection features enhance system reliability
• Adjustable output voltage provides design flexibility
• Small footprint saves board space

Additional Details:

The SI-7600-EL series typically operates with an input voltage range from 7V to 35V. The output voltage is adjustable using external resistors. The switching frequency is typically around 150 kHz to 300kHz. The devices are available in compact packages. The built-in overcurrent and thermal shutdown protection features prevent damage to the regulator and the load in case of fault conditions. The high efficiency minimizes heat generation, allowing for smaller heatsinks or even heatsink-free operation in some applications. The adjustable output voltage is a key feature that allows the SI-7600-EL to adapt to various application needs with a simple modification in the external feedback resistor network.