GS-R1012

GS-R1012 120W STEP-DOWN SWITCHING REGULATOR Type GS-R1012 Vi 18 to 36 V Vo 12 V Io 10 A FEATURES Wide input voltage range (18 to 36V) High efficiency (90% min.) Parallel operation with current sharing Synchronization Remote inhibit/enable Remote load voltage sense Output short-circuit protection Soft-start PCB or chassis mountable DESCRIPTION The GS-R1012 is a step-down switching voltage regulator suitable to provide 12V/10A output voltage from a wide input voltage range (18 to 36V). ABSOLUTE MAXIMUM RATINGS Symbol Vi Viinh Tstg Tcop DC Input Voltage High Inhibit voltage Storage Temperature Range Operating Case Temperature Range Parameter Value 40 28 – 20 to +105 0 to +75 Unit V V °C °C June 1994 1/7 GS-R1012 ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified) Symbol Vi li lir Vien Viinh liinh Vo Vor δVOL δVOO ∆ Vo Io Iol Iosc δI o Parameter Input Voltage Input Current Reflected Input Current Enable Input Voltage Inhibit Input Voltage Inhibit Input Current Output Voltage Output Ripple Voltage Line Regulation Load Regulation Remote Sense Compensation Output Current* Output Current Limiting Short-circuit Output Current Current Sharing Deviation Soft-start Time Line Transient Recovery Time Load Transient Recovery Time Switching Frequency Efficiency Thermal Resistance Case-to-ambient Test Conditions Vo = 12V Vi = 24V Io = 1.5 to 10A Io = 10A Min 18 Typ 24 5,6 400 0 2 0.3 11.4 12 150 0.5 1 0.5 Vo = 12V 0 10.5 10 11.5 16 10 500 1.2 24 0.5 12.6 Max 36 Unit V A m...