FT8430-KRT Integrated Circuit by FMD | Buck Power Switch, SOT-23-3 Package

The Fremont Micro Devices (FMD) FT8430-KRT is a high-performance, high-precision, and cost-effective non-isolated buck power switch. Designed in a compact SOT-23-3 package, it integrates a dedicated current-mode PWM controller and a high-voltage power switch, offering excellent power conversion efficiency in space-constrained designs.

Equipped with a built-in error amplifier, optimized for fast dynamic response, the FT8430 ensures reliable performance under varying load conditions. The device’s high-precision internal voltage divider and stable reference voltage deliver consistent and accurate output regulation across a wide input voltage range.

Key Specifications

• Type: Non-Isolated Buck Power Switch

• Package: SOT-23-3

• Control Method: Current-Mode PWM Controller (integrated)

• Built-in Components: High-voltage power switch, error amplifier

• Features:

  • Excellent dynamic response

  • High-precision internal voltage divider

  • Stable closed-loop feedback

  • Accurate output voltage regulation

• Application Focus: Compact, efficient DC-DC power conversion

Applications

• Consumer electronics power modules

• Industrial DC-DC converters

• Battery-powered systems

• Communication equipment

• Low-cost, space-saving power solutions