Datasheet LTC4367 (Analog Devices) - 22

LTC4367
TYPICAL APPLICATION LTC4367 Protects Step Down Regulator from –30V to 30V VIN Faults
Si4214 30V DUAL N-CHANNEL V VOUT OUTPUT IN 12V NOMINAL 5V 3.5A VOUT PROTECTED 10µF V FROM –30V TO 30V IN BD RUN/SS BOOST GATE 0.47µF VIN VOUT 15k LT1913 4.7µH LTC4367 510k VC SW 680pF SHDN RT 1820k 536k UV FAULT PG FB SYNC GND 243k 63.4k 100k 47µF OV OV = 18V 4367 TA02 UV = 3.5V 59k GND
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC4365 Overvoltage, Undervoltage and Reverse Supply Wide Operating Range: 2.5V to 34V, Protection Range: –40V to 60V, Protection Controller No TVS Required for Most Applications LTC4368 LTC4367 + Bidirectional Circuit Breaker ±50mV or 50mV/–3mV Circuit Breaker Thresholds; MSOP-10, DFN-10 Packages LTC4380 8µA Quiescent Current Surge Stopper 4V to 72V Operation; –60V Input Protection; Pin-Selectable Clamp LT4363 Surge Stopper Overvoltage/Overcurrent Protection Wide Operating Range: 4V to 80V, Reverse Protection to –60V, Adjustable Regulator Output Clamp Voltage LTC4364 Surge Stopper with Ideal Diode 4V to 80V Operation, –40V Reverse Input, –20V Reverse Output LTC4366 Floating Surge Stopper 9V to >500V Operation, 8-Pin TSOT and 3mm × 2mm DFN Packages LTC4361 Overvoltage/Overcurrent Protection Controllers 5.8V Overvoltage Threshold, 85V Absolute Maximum LTC2909 Triple/Dual Inputs UV/OV Negative Monitor Pin Selectable Input Polarity Allows Negative and OV Monitoring LTC2912/LTC2913 Single/Dual UV/OV Voltage Monitor Adjustable UV and OV Trip Values, ±1.5% Threshold Accuracy LTC2914 Quad UV/OV Monitor For Positive and Negative Supplies LTC2955 Pushbutton On/Off Controller Automatic Turn-On, 1.5V to 36V Input, ±36V PB Input LT4256 Positive 48V Hot Swap Controller with Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output, Open-Circuit Detect Up to 80V Supply LTC4260 Positive High Voltage Hot Swap Controller with Wide Operating Range 8.5V to 80V ADC and I2C LTC4352 Ideal MOSFET ORing Diode External N-Channel MOSFETs Replace ORing Diodes, 0V to 18V LTC4354 Negative Voltage Diode-OR Controller Controls Two N-Channel MOSFETs, 1.2µs Turn-Off, –80V Operation LTC4355 Positive Voltage Diode-OR Controller Controls Two N-Channel MOSFETs, 0.4µs Turn-Off, 80V Operation LT1913 Step-Down Switching Regulator 3.6V to 25V Input, 3.5A Maximum Current, 200kHz to 2.4MHz 4367fb 22 LT 1017 REV B • PRINTED IN USA www.linear.com/LTC4367 For more information www.linear.com/LTC4367 LINEAR TECHNOLOGY CORPORATION 2015