STK740-441 Description
Ordering number:EN6106 Thick Film Hybrid IC STK740-441 3.3V/5A Single Output Separate Excitation Chopper Regulator Overview The STK740-441 is a separate-excitation step-down chopper regulator hybrid IC for the secondstage circuit and optimal as a 3.3V local power supply for use in logic circuit that includes both 5V and 3.3V systems. This IC incorporates in the package all the necessary circuits for a chopper...
STK740-441 Key Features
- Adoption of Sanyo IMST ; Insulated Metal Substrate Technology, allows the circuit to be operated without using a heat si
- Slim package reduces mounting space
- Typical efficiency of 88% at DC 5V input, 2.5A output
- Fine adjustment of output voltage enable
- 50 kHz operating frequency
- Low-RON resistance power MOSFET adopted
- Low-VF Schottky barrier diode adopted
STK740-441 Applications
- 3.3V local power supply for the logic circuit where both 5V and 3.3V systems are constructed togeter
- Adoption of Sanyo IMST ; Insulated Metal Substrate Technology, allows the circuit to be operated without using a heat sink (see “No Fin Output Current Derating”