Datasheet LTC3636, LTC3636-1 (Analog Devices) - 7

LTC3636/LTC3636-1
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, VIN1 = VIN2 = 12V, fSW = 1MHz, L = 0.55µH unless otherwise noted. Load Step Load Step (Internal Compensation) Start-Up (Burst Mode Operation)
VOUT VOUT RUN AC-COUPLED AC-COUPLED 2V/DIV 100mV/DIV 100mV/DIV VOUT 1V/DIV IL IL I 5A/DIV 5A/DIV L 2A/DIV 20µs/DIV 3636 G18 20µs/DIV 3636 G19 400µs/DIV 3636 G20 VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V ILOAD = 400mA to 6A ILOAD = 400mA to 6A ILOAD = 100mA CCOMP = 330pF ITH = INTVCC RCOMP = 13kΩ CF = 33pF CF = 33pF COUT = 47µF ×2 COUT = 47µF ×2
Start-Up into Prebiased Output Start-Up (Forced Continuous Mode) (Burst Mode Operation)
RUN RUN 2V/DIV 2V/DIV VOUT VOUT = 1.8V 1V/DIV 1V/DIV I I L L 2A/DIV 2A/DIV 400µs/DIV 3636 G21 400µs/DIV 3636 G22 VOUT = 1.8V ILOAD = 0mA ILOAD = 100mA
Start-Up into Prebiased Output (Forced Continuous Mode) Short-Circuit and Soft-Start
RUN 2V/DIV IL 10A/DIV VOUT = 1.8V 1V/DIV VIN 5V/DIV I V L OUT 5A/DIV 1V/DIV 400µs/DIV 3636 G23 I 200µs/DIV 3636 G24 LOAD = 0mA VOUT = 1.8V 3636fb For more information www.linear.com/LTC3636 7 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