Datasheet LTC3615, LTC3615-1 (Analog Devices) - 7

LTC3615/LTC3615-1
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. Reference Voltage Switch On-Resistance vs Temperature vs Input Voltage
0.606 0.10 0.09 0.604 0.08 MAIN SWITCH 0.07 0.602 TAGE (V) 0.06 (Ω) 0.600 0.05 SYNCHRONOUS SWITCH R DS(ON) 0.04 0.598 0.03 REFERENCE VOL 0.02 0.596 0.01 0.594 0 –60 –25 10 45 80 115 150 2.25 3.25 4.25 5.25 TEMPERATURE (°C) VIN (V) 3615 G18 3615 G19
Switch On-Resistance vs Temperature Frequency vs RT/SYNC
100 4.0 90 3.6 MAIN SWITCH 80 3.2 70 2.8 60 2.4 50 (MHz) 2.0 SYNCHRONOUS SWITCH 40 f OSC 1.6 30 1.2 SWITCH LEAKAGE (µA) 20 0.8 10 0.4 0 0 –60 –25 10 45 80 115 150 100 200 300 400 500 600 700 800 900 1000 TEMPERATURE (°C) RT/SYNC (kΩ) 3615 G20 3615 G22
Frequency vs Temperature Frequency vs Input Voltage
2.7 2.60 2.50 2.6 2.40 2.5 2.30 RT/SYNC = SVIN 2.4 2.20 2.3 RT /SYNC = SVIN (MHz) (MHz) 2.10 RT/SYNC = 200k 2.2 f OSC f OSC 2.00 RT = 178k 2.1 1.90 2.0 1.80 1.9 1.70 1.8 1.60 –60 –25 10 45 80 115 150 2.25 3.00 3.75 4.50 5.25 TEMPERATURE (°C) VIN (V) 3615 G24 3615 G23 3615fb For more information www.linear.com/LTC3615 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts