Datasheet LT8337 (Analog Devices) - 6

LT8337/LT8337-1
TYPICAL PERFORMANCE CHARACTERISTICS TA ≈ TJ = 25°C, unless otherwise noted. Switching Waveforms, Current Switching Waveforms, Current Power Switch Voltage Drop vs Limit at 15% Duty Cycle Limit at 82% Duty Cycle Switch Current
240 IL IL 210 2A/DIV 2A/DIV 180 150 0A 0A TOP SWITCH 120 VSW VSW 10V/DIV 10V/DIV 90 BOTTOM SWITCH SWITCH DROP (mV) 60 500ns/DIV 83371 G13 500ns/DIV 83371 G14 VIN = 13V VIN = 2.8V 30 FRONT PAGE CIRCUIT FRONT PAGE CIRCUIT 0 0 1 2 3 4 5 6 SWITCH CURRENT (A) 83371 G15
Power Switch Voltage Drop vs LT8337 Transient Response, LT8337 Transient Response, Temperature Switch Current Pulse-Skipping Mode Operation Burst Mode Operation
70 SWITCH CURRENT = 1A 60 IOUT IOUT 1A/DIV 1A/DIV 50 TOP SWITCH 40 VOUT VOUT BOTTOM SWITCH 0.2V/DIV 0.2V/DIV 30 SWITCH DROP (mV) 20 83371 G17 83371 G18 10 200µs/DIV 200µs/DIV VIN = 7.2V VIN = 7.2V 0 FRONT PAGE CIRCUIT FRONT PAGE CIRCUIT –50 –25 0 25 50 75 100 125 150 TEMPERATURE (C°) 83371 G16
Max Programmable Switching LT8337-1 Transient Response, LT8337-1 Transient Response, Frequency vs Input Voltage Pulse-Skipping Mode Operation Burst Mode Operation Burst Mode Operation
3.5 3.0 IOUT IOUT 1A/DIV 1A/DIV 2.5 LT8337-1 2.0 VOUT VOUT LT8337 0.2V/DIV 0.2V/DIV 1.5 1.0 83371 G20 83371 G21 0.5 MAX SWITCHING FREQUENCY (MHz) 200µs/DIV 200µs/DIV VIN = 7.2V VIN = 7.2V 0 FRONT PAGE CIRCUIT WITH LT8337-1 FRONT PAGE CIRCUIT WITH LT8337-1 2.70 2.75 2.80 2.85 2.90 2.95 3.00 CC = 220pF, RC = 100k CC = 220pF, RC = 100k VIN (V) 83371 G19 Rev. A 6 For more information www.analog.com 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 Typical Application Related Parts