Datasheet LT8610AC, LT8610AC-1 (Analog Devices) - 4

LT8610AC/LT8610AC-1
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Efficiency at 5VOUT Efficiency at 5VOUT Efficiency at 3.3VOUT
100 100 100 95 90 95 90 90 80 85 85 80 70 80 f 75 SW = 700kHz (LT8610AC) f 60 75 SW = 700kHz (LT8610AC) L = IHLP-2525EZ-01, 4.7µH fSW = 700kHz (LT8610AC) 70 L = IHLP-2525EZ-01, 4.7µH 70 L = IHLP-2525EZ-01, 4.7µH EFFICIENCY (%) EFFICIENCY (%) 50 EFFICIENCY (%) 65 65 40 60 V 60 IN = 12V VIN = 12V VIN = 12V 55 VIN = 24V 30 VIN = 24V 55 VIN = 24V VIN = 36V VIN = 36V VIN = 36V 50 20 50 0 0.5 1 1.5 2 2.5 3 3.5 0.01 0.1 1 10 100 1000 0 0.5 1 1.5 2 2.5 3 3.5 LOAD CURRENT (A) LOAD CURRENT (mA) LOAD CURRENT (A) 8610ac1 G01 8610ac1 G02 8610ac1 G03
Efficiency at 3.3VOUT Efficiency vs Frequency at 1A Reference Voltage
100 100 0.816 VOUT = 3.3V 90 95 L = IHLP-2525EZ-01, 4.7µH 0.812 80 90 0.808 (V) 70 85 0.804 60 fSW = 700kHz (LT8610AC) 80 0.800 L = IHLP-2525EZ-01, 4.7µH EFFICIENCY (%) 50 75 EFFICIENCY (%) 0.796 FB PIN VOLTAGE 40 70 0.792 VIN = 12V 30 V 65 0.788 IN = 24V VIN = 12V VIN = 36V VIN = 24V (LT8610AC) 20 60 0.784 0.01 0.1 1 10 100 1000 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 –55 –25 5 35 65 95 125 155 LOAD CURRENT (mA) SWITCHING FREQUENCY (MHz) TEMPERATURE (°C) 8610ac1 G04 8610ac1 G05 8610ac1 G06
EN Pin Thresholds Load Regulation Line Regulation
1.04 0.25 0.15 VOUT = 3.3V VOUT = 3.3V 0.20 V 0.12 ILOAD = 0.5A 1.02 IN = 12V 0.15 0.09 (V) 1.00 0.10 0.06 EN RISING (%) (%) 0.03 OUT 0.05 OUT 0.98 0 0 EN FALLING –0.05 –0.03 EN THRESHOLD 0.96 CHANGE IN V –0.10 CHANGE IN V –0.06 0.94 –0.15 –0.09 –0.20 –0.12 0.92 –0.25 –0.15 –55 –25 5 35 65 95 125 155 0 0.5 1 1.5 2 2.5 3 3.5 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) LOAD CURRENT (A) INPUT VOLTAGE (V) 8610ac1 G07 8610ac1 G08 8610ac1 G09 Rev. B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts