Datasheet LTC3615, LTC3615-1 (Analog Devices) - 5

LTC3615/LTC3615-1
Typical perForMance characTerisTics VIN = 3.3V, RT/SYNC = SVIN, unless otherwise noted. Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current (VMODE = 0V) (VMODE = 0V) (VMODE = 0V)
100 100 100 VOUT = 1.8V VOUT = 1.2V VOUT = 2.5V 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 20 V 20 20 IN = 2.5V VIN = 2.5V VIN = 3.3V 10 VIN = 3.3V 10 VIN = 3.3V 10 VIN = 4V VIN = 5V VIN = 5V V 0 0 0 IN = 5V 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3615 G01 3615 G02 3615 G03
Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Input Voltage (VMODE = 0.55 • SVIN) (VMODE = 0.55 • SVIN) (VMODE = 0V)
100 100 95 VOUT = 1.8V VOUT = 1.2V VOUT = 1.8V 90 90 90 80 80 85 70 70 80 60 60 75 50 50 70 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 65 IOUT = 3A 20 60 IOUT = 2A V 20 IN = 2.25V VIN = 2.25V IOUT = 1A 10 VIN = 3.3V 10 VIN = 3.3V 55 IOUT = 0.3A V VIN = 5V I 0 IN = 5V 0 OUT = 0.2A 50 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 2.25 2.75 3.25 3.75 4.25 4.75 5.25 OUTPUT CURRENT (A) OUTPUT CURRENT (A) INPUT VOLTAGE (V) 3615 G04 3615 G05 3615 G06
Load Regulation Line Regulation
0.5 0.20 VMODE = 1.5V 0.4 0.15 INTERNAL 0.3 COMPENSATION (I 0.10 TH = SVIN ) 0.2 0.05 0.1 0 ERROR (%) 0 ERROR (%) EXTERNAL –0.05 V OUT –0.1 COMPENSATION V OUT –0.10 –0.2 –0.3 –0.15 –0.4 –0.20 0 0.5 1 1.5 2 2.5 3 2.25 2.75 3.25 3.75 4.25 4.75 5.25 OUTPUT CURRENT (A) INPUT VOLTAGE (V) 3615 G07 3615 G08 3615fb For more information www.linear.com/LTC3615 5 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