Datasheet LT4356-3 (Analog Devices) - 6

LT4356-3
TYPICAL PERFORMANCE CHARACTERISTICS Specifications are at VCC = 12V, TA = 25°C unless otherwise noted. Overcurrent TMR Current vs Warning Period TMR Pull-Down Current vs (VCC – VOUT) TMR Current vs VCC Temperature
280 14 3.0 OVERCURRENT CONDITION OVERVOLTAGE, EARLY VTMR = 1V VOUT = 0V WARNING PERIOD 240 VTMR = 1V 12 VFB = 1.5V 2.5 VTMR = 1.3V 200 10 2.0 160 8 (µA) (µA) (µA) 1.5 I TMR 120 I TMR 6 I TMR 1.0 80 4 40 2 0.5 0 0 0 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 –50 –25 0 25 50 75 100 125 VCC – VOUT (V) VCC (V) TEMPERATURE (°C) 43563 G13 43563 G14 43563 G15
Overvoltage Turn-Off Time vs Output Low Voltage vs Current Temperature
4.0 500 OVERVOLTAGE CONDITION V 3.5 FB = 1.5V AOUT 400 3.0 2.5 FLT 300 (V) 2.0 (ns) V OL EN t OFF 1.5 200 1.0 100 0.5 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 –50 –25 0 25 50 75 100 125 CURRENT (mA) TEMPERATURE (°C) 43563 G16 43563 G17
Overcurrent Turn-Off Time vs Reverse Current vs Reverse Temperature Voltage
4.0 OVERCURRENT CONDITION –20 VCC = SNS ∆VSNS = 120mV 3.5 –15 3.0 (µs) 2.5 (mA) –10 t OFF I CC 2.0 –5 1.5 1.0 0 –50 –25 0 25 50 75 100 125 0 –20 –40 –60 –80 TEMPERATURE (°C) VCC (V) 43563 G18 43563 G19 Rev D 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application .18702 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