Datasheet LTC4368 (Analog Devices) - 6

LTC4368
TYPICAL PERFORMANCE CHARACTERISTICS UV, OV Thresholds vs Temperature ∆VRR Threshold vs VOUT FAULT Leakage vs Temperature
508 120 10 V V V IN = VOUT = 12V IN = 12V IN = 12V 125°C FAULT = 5V 8 102 504 –45°C 6 84 25°C (mV) 500 (mV) (nA) T 4 RR V UV ∆V 66 I FAUL 2 496 48 0 492 30 –2 –50 –25 0 25 50 75 100 125 0 10 20 30 40 50 60 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) VOUT (V) TEMPERATURE (°C) 4368 G09 4368 G10 4368 G11
UV/OV Propagation Delay vs FAULT Output Current vs Voltage Overdrive GATE Turn-On Delay Time vs VIN
30 50 50 VIN = 12V V –45°C IN = VOUT = 12V UV = SHDN = 0V TA = 25°C 24 40 40 TA = 125°C TA = –45°C 25°C 18 30 30 (mA) (µs) (ms) T T T A = 25°C I FAUL 12 t FAUL 20 t D(ON) 20 6 10 10 125°C 0 0 0 0 2 4 6 8 10 12 1 10 100 1k 0 10 20 30 40 50 60 VOL (V) OVERDRIVE (mV) VIN (V) 4368 G12 4368 G13 4368 G14
AC Blocking Turn-On Timing Turn-Off Timing
1V/DIV VOUT GND DUAL Si7942 MOSFET GATE 5V/DIV GATE 100µF, 12Ω LOAD V V VOUT IN = 12V IN 20V/DIV 5V/DIV VOUT GND GATE GND VIN = 12V GND DUAL Si7942 MOSFET 100µF, 12Ω LOAD DUAL Si7942 1k, 10µF LOAD ON VOUT 3V/DIV SHDN 3V/DIV SHDN 4368 G15 4368 G16 5ms/DIV 400µs/DIV 400µs/DIV 4368 G17 Rev. B 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Pin Functions Block Diagram Applications Information Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts