Datasheet LT8610AC, LT8610AC-1 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 42V, 3.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current |
| Pages / Page | 26 / 4 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 552 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Efficiency at 5VOUT. Efficiency at 3.3VOUT
Text Version of Document
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 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 (V) 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 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 (V) 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 8610acfa 4 For more information www.linear.com/LT8610AC Document Outline Features Applications Description Typical Application 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
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 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 (V) 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 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 (V) 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 8610acfa 4 For more information www.linear.com/LT8610AC Document Outline Features Applications Description Typical Application 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
