Datasheet LTC3601 (Analog Devices) - 5

LTC3601
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VIN = 12V, fO = 1MHz, L = 2.2µH unless otherwise noted. Quiescent Current vs RDS(ON) vs Temperature Switch Leakage vs Temperature Supply Voltage
200 6000 380 VDS = 12V 160 5000 TOP SWITCH 340 RDS(ON) 4000 120 (mΩ) BOTTOM SWITCH 3000 300 R 80 DS(ON) R DS(ON) 2000 SWITCH LEAKAGE (nA) TOP SWITCH 40 QUIESCENT CURRENT (µA) 260 1000 BOTTOM SWITCH 0 0 220 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 4 6 8 10 12 14 16 TEMPERATURE (°C) TEMPERATURE (°C) SUPPLY VOLTAGE (V) 3601 G07 3601 G08 3601 G09
Oscillator Frequency vs Oscillator Internal Set Frequency TRACK Pull-Up Current Temperature vs Temperature vs Temperature
2.0 2.75 2.0 RT = INTVCC 1.5 2.50 1.8 1.0 1.6 2.25 0.5 1.4 (µA) 0 2.00 1.2 –0.5 I TRACK FREQUENCY (MHz) 1.75 1.0 –1.0 FREQUENCY VARIATION (%) 1.50 –1.5 0.8 –2.0 1.25 0.6 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3601 G10 3601 G22 3601 G23
Bottom Switch Current Limit vs Temperature Load Regulation
3.5 1.2 Burst Mode OPERATION FORCED CONTINUOUS 3.0 1.0 2.5 0.8 (%) 2.0 0.6 (A) OUT/V I LIM 1.5 0.4 OUT∆V 1.0 0.2 0.5 0 0 –0.2 –50 –25 0 25 50 75 100 125 0 250 500 750 1000 1250 1500 TEMPERATURE (°C) ILOAD (mA) 3601 G11 3601 G21 3601fc For more information www.linear.com/LTC3601 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Related Parts