GS-R4002

GS-R400/2 Family SMALL SIZE STEP-DOWN SWITCHING REGULATOR FAMILY FEATURES MTBF in excess of 500,000 hours 4A max output current 40V max input voltage 4V max drop-out voltage Soft start Non-latching short circuit protection Crow-bar output overvoltage protection DESCRIPTION The GS-R400/2 series is a family of small sized high current, high voltage step-down switching regulators. The integral heatsink allows a large power handling capability and it provides also an effective shielding to minimize EMI. SELECTION CHART Type Ordering Number GS-R405/2 GS-R412/2 GS-R415/2 GS-R424/2 GS-R400V/2 Output Voltage (V) 5.1 ± 2% 12.0 ± 4% 15.0 ± 4% 24.0 ± 4% 5.1 to 24 Input Voltage (V) 9 to 40 16 to 40 19 to 40 28 to 40 Vo+4 to 40 Output Ripple (mVpp) 25 50 65 100 25 to 100 Regulation Line (mV/V) 2 5 6 6 2 to 6 Load (mV/A) 20 40 60 80 20 to 80 Efficiency Notes (%) 80 85 87 90 80 to 90 Fixed output voltage " " " Progr. output voltage Note : Line regulation is measured at Iout=1A. Load regulation is measured at Vin=Vo+8V and Iout=0.5 to 1.5A. Case temperature must be kept below 85° C ABSOLUTE MAXIMUM RATINGS Symbol Vi Io Tstg Tcop DC Input Voltage Output Current Storage Temperature Range Operating Case Temperature Range Parameter Value 42 4 – 40 to +105 – 20 to +85 Unit V A °C °C June 1994 1/3 GS-R400/2 FAMILY CONNECTION DIAGRAM AND MECHANICAL DATA Pin 5 GS-R400V/2 only Dimensions in mm Bottom view PIN DESCRIPTION Pin 1 2 3 4 5 Function + Input Input GND Output GND + Output Program Description DC input voltage. Recommended maximum voltage is 40V. Return for input voltage source. Return for output current path. Internally connected to pin 2. Regulated DC output voltage. A resistor (