Datasheet LTC3637 (Analog Devices) - 6

LTC3637
TYPICAL PERFORMANCE CHARACTERISTICS Switch Leakage Current Switch On-Resistance Switch On-Resistance vs Temperature vs Input Voltage vs Temperature
35 1.0 0.55 VIN = 65V VIN = 12V 25 0.8 0.45 15 0.6 150°C SW = 65V 0.35 5 0.4 25°C –55°C 0.25 –5 SW = 0V SWITCH ON-RESISTANCE (Ω) 0.2 SWITCH ON-RESISTNACE (Ω) SWITCH LEAKAGE CURRENT (µA) –15 0 0.15 –55 –25 5 35 65 95 125 155 0 10 20 30 40 50 60 70 –55 –25 5 35 65 95 125 155 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3637 G16 3637 G17 3637 G18
Load Step Transient Response Operating Waveforms, VIN = 76V Short Circuit and Recovery
OUTPUT OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV VOLTAGE 2V/DIV SWITCH 50mV/DIV VOLTAGE 25V/DIV LOAD INDUCTOR INDUCTOR CURRENT CURRENT CURRENT 500mA/DIV 2A/DIV 1A/DIV V 3637 G19 IN = 12V 100µs/DIV 3637 G21 V 3637 G20 VIN = 12V 200µs/DIV OUT = 5V 10µs/DIV VOUT = 5V I VOUT = 5V 5mA TO 1A LOAD STEP OUT = 1A FIGURE 13 CIRCUIT IOUT = 50mA (NON SHORT CIRCUIT) FIGURE 13 CIRCUIT FIGURE 13 CIRCUIT 3637fa 6 For more information www.linear.com/LTC3637 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts