Datasheet LTC3636, LTC3636-1 (Analog Devices) - 6

LTC3636/LTC3636-1
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 0.55µH unless otherwise noted. Internal MOSFET RDS(ON) Temperature Monitor vs Quiescent Current vs VIN vs Temperature Temperature Burst Mode Operation
60 2.0 900 1.9 800 50 1.8 TAGE (V) 700 90°C 40 1.7 600 25°C 1.6 500 (mΩ) TOP SWITCH 30 (µA) 1.5 –40°C I Q 400 R DS(ON) 20 1.4 TURE MONITOR VOL 300 BOTTOM SWITCH 1.3 200 10 TEMPERA 1.2 100 0 1.1 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 4 6 8 10 12 14 16 18 20 TEMPERATURE (°C) TEMPERATURE (°C) VIN (V) 3636 G10 3636 G11 3636 G12
Valley Current Limit TRACKSS Pull-Up Current Switch Leakage vs Temperature vs Temperature vs Temperature
16 7.6 1.8 MAIN SWITCH SYNCHRONOUS SWITCH 14 7.2 1.6 12 6.8 1.4 10 (µA) 8 (A) 6.4 1.2 I LIM 6 I TRACKSS 6.0 1.0 LEAKAGE CURRENT (µA) 4 5.6 0.8 2 0 5.2 0.6 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3636 G13 3636 G14 3636 G15
Shutdown Current vs VIN Burst Mode Operation
22 20 SW 10V/DIV 18 16 VOUT 14 50mV/DIV (µA) I Q 12 IL 10 2A/DIV 8 5µs/DIV 3636 G17 6 VOUT = 1.8V ILOAD = 200mA 4 4 6 8 10 12 14 16 18 20 VIN (V) 3636 G16 3636fb 6 For more information www.linear.com/LTC3636 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts