LT4356-1/LT4356-2 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. VCC = 12V unless otherwise noted. SYMBOL PARAMETERCONDITIONSMINTYPMAXUNITS VSHDN(FLT) SHDN Pin Resting Voltage VCC = 12V to 48V, Note 4 l 0.6 2.1 V ISHDN SHDN Pin Current VSHDN = 0V l –1 –4 –8 µA tOFF(OC) Overcurrent Turn Off Delay Time GATE From High to Low, ΔVSNS = 0 → 120mV l 2 4 µs tOFF(OV) Overvoltage Turn Off Delay Time GATE From High to Low, VFB = 0 → 1.5V l 0.25 1 µs Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 3: An internal clamp limits the GATE pin to a minimum of 10V above may cause permanent damage to the device. Exposure to any Absolute the OUT pin. Driving this pin to voltages beyond the clamp may damage Maximum Rating condition for extended periods may affect device the device. reliability and lifetime. Note 4: Resting voltage after turn-on. Note 2: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to GND unless otherwise specified. TYPICAL PERFORMANCE CHARACTERISTICSSpecifications are at VCC = 12V, TA = 25°C unless otherwise noted.ICC vs VCCICC (Shutdown) vs VCCICC (Shutdown) vs VCC 1000 60 120 LT4356-1 LT4356-2 IN+ = 1.3V 50 100 800 40 80 600 (µA) (µA) 30 (µA) 60 I CC I CC I CC 400 20 40 200 10 20 0 0 0 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 VCC (V) VCC (V) VCC (V) 4356 G02 4356 G01 4356 G20 ICC (Shutdown) vs TemperatureICC (Shutdown) vs Temperature 35 300 LT4356-1 LT4356-2 30 250 25 200 20 (µA) (µA) 150 I CC 15 I CC 100 10 50 5 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 4356 G03 4356 G21 Rev. C For more information www.analog.com 5 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 Typical Applications Package Description Revision History Typical Application Related Parts
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