STK740-470 Description
Ordering number:EN 6107 Thick Film Hybrid IC STK740-470 5V/5A Single Output Separate Excitation Chopper Regulator Preliminary Overview The STK740-470 is a separate-excitation step-down chopper regulator hybrid IC for the secondstage circuit. This IC incorporates in the package all the necessary circuits for a chopper regulator including power switch, error amplifier, soft start, shutdown type output short...
STK740-470 Key Features
- Adoption of Sanyo IMST ; Insulated Metal Substrate Technology, allows the circuit to be operated without using a heat si
- Typical efficiency of 90% at DC 12V 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
STK740-470 Applications
- Local power supply for the equipment of which input rating is DC9V to 15V
- 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”