KA5S series KA5S0765C/KA5S09654QT/KA5S0965/KA5S12656/KA5S1265 is Fairchild Power Switch(FPS), which has the characteristics of low power consumption, high reliability and low cost.
This document is a datasheet for the Fairchild KA5S-Series Fairchild Power Switch (FPS), designed as a low-cost SMPS solution. The series includes specific models such as the KA5S0765C, KA5S09654QT, KA5S0965, KA5S12656, and KA5S1265, available in TO-3P-5L, TO-220F-5L, and TO-220-5L packages.
The device features a wide operating frequency range up to 150kHz and includes internal protection mechanisms such as over-voltage protection with latch mode, over-load protection, over-current protection, and internal thermal protection. It also offers pulse-by-pulse over-current limiting and under-voltage lockout with hysteresis.
| Maximum Operating Frequency | Up to 150kHz |
|---|---|
| Maximum Drain Voltage (KA5S0765C) | 650 V |
| Continuous Drain Current (KA5S0765C) | 7.0 A |
| Maximum Supply Voltage | 30 V |
| Operating Junction Temperature | +160 °C |
| Over Voltage Protection Threshold | Min 23V |
| Start-up Current (Max) | 170uA |
The device supports a wide operating frequency range up to 150kHz.
Yes, it includes internal thermal protection with a latch mode.