LTC4380 ELECTRICAL CHARACTERISTICSThe l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VCC = OUT = SNS = DRN = 12V, unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITSSupply VCC Operating Voltage Range LTC4380-1/LTC4380-2 l 4 80 V LTC4380-3/LTC4380-4 (Note 6) l 4 72 V VOUT Operating Voltage Range l 72 V IQ Total Supply Current 8 11 µA (Note 5) C-Grade and I-Grade l 12 µA H-Grade l 20 µA VCC = OUT = SNS = DRN = 4V 22 28 µA l 35 µA ICC VCC Current, Shutdown ON = OUT = SNS = 0V l 6 10 µA VCC Current 7 9 µA l 12 µA VCC = OUT = SNS = DRN = 4V 20 25 µA l 30 µA ISNS SNS Current l 0.5 1.4 µA IOUT OUT Current l 1.5 5.5 µA OUT Current, Shutdown C-Grade and I-Grade l 5 12 µA H-Grade l 80 µA IR Reverse Input Current VCC = –60V, ON Open, SEL = 0V l –0.4 –2 mA VCC = ON = SEL = –60V l –1.2 –5 mA Gate Drive ∆VGATE GATE Drive (GATE – OUT) SEL = SNS = OUT = VCC =12V 8V ≤ VCC ≤ 30V; IGATE = –1µA, 0µA l 10 11.5 14 V VCC = 4V; IGATE = –1µA, 0µA l 5 8 V ∆VCLAMP GATE Clamp to VCC (GATE – VCC) SNS = OUT = 20V, IGATE = 0µA l 12 13.5 14.5 V VGATE GATE Clamp to GND VCC = 30V, SEL = 0V (LTC4380-1/LTC4380-2) l 30 31.5 33 V VCC = 60V, SEL = VCC (LTC4380-1/LTC4380-2) l 47.5 50 52.5 V IGATE(UP) GATE Pull-Up Current VCC = GATE = OUT = 12V, SEL = 0V l –10 –20 –30 µA VCC = GATE = OUT = 24V, SEL = VCC l –12 –25 –35 µA IGATE(DN) GATE Pull-Down Current Overcurrent ∆VSNS = 200mV, GATE = 12V, OUT = 0V l 50 100 mA Shutdown ON = 0V, GATE = 20V l 0.3 5 mA Input UV VCC = 3.5V, GATE = 10V l 2 5 mA Fault Time Out TMR = 2V, GATE = 10V l 1.5 3.5 mA Current Limit ∆VSNS Current Limit Sense Voltage (SNS – OUT) VCC = 12V, 24V, OUT = 6V, 12V l 45 50 55 mV VCC = 12V, 24V, OUT = 0V l 42 62 95 mV tOFF(OC) Overcurrent Turn-Off Propagation Delay ∆VSNS Steps from 0V to 250mV, OUT = 6V l 2 4 µs ∆VSNS Steps from 0V to 250mV, OUT = 0V l 2 4 µs SEL, FLT ISEL SEL Input Current SEL = 0V to 80V l ±0.1 µA VSEL SEL Input Threshold l 0.4 3 V IFLT FLT Leakage Current FLT = 80V l 2 µA VFLT(LOW) FLT Output Low ISINK = 0.1mA l 0.1 0.5 V ISINK = 3mA l 1 4 V Rev. C 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
