Datasheet LT8610AX (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | 42V, 3.5A Synchronous Step-Down Regulator with Operation to 175°C |
| Pages / Page | 6 / 3 — TYPICAL PERFORMANCE CHARACTERISTICS. Reference Voltage. Reference Voltage … |
| File Format / Size | PDF / 525 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Reference Voltage. Reference Voltage at 175°C. Efficiency at 175°C, V
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LT8610AX
TYPICAL PERFORMANCE CHARACTERISTICS Reference Voltage Reference Voltage at 175°C Efficiency at 175°C, V Reference Voltage Reference Voltage at 175C OUT = 3.3V Efficiency at 175°C, VOUT = 3.3V
1000 45 100 LOAD = 0.5A N = 347 TA = 175°C 990 µ = 968.5 90 fSW = 700kHz σ = 3.33 80 980 12VIN TS 30 70 24V 970 IN AR TAGE (mV) 60 36VIN 960 50 950 40 15 EFFICIENCY (%) NUMBER OF P 30 940 REFERENCE VOL 20 930 10 920 0 0 25 50 75 100 125 150 175 200 950 955 960 965 970 975 980 985 990 0.01 0.1 1 10 100 1k 10k TEMPERATURE (°C) REFERENCE VOLTAGE (mV) LOAD CURRENT (mA) 8610AX G01 8610AX G02 8610AX G03
Efficiency at 175°C, VOUT = 3.3V Efficiency at 175°C, VOUT = 5V Efficiency at 175°C, VOUT = 5V OUT Efficiency at 175°C, VOUT = 5V OUT
100 100 T 100 A = 175°C T T A = 175°C A = 175°C 95 fSW = 700kHz 90 f f SW = 700kHz 95 SW = 700kHz 12V 12VIN IN 80 90 12VIN 24V 90 IN 70 24V 24VIN 85 IN 36VIN 60 85 36VIN 80 50 80 36VIN 75 40 EFFICIENCY (%) EFFICIENCY (%) 75 EFFICIENCY (%) 30 70 70 20 65 10 65 60 0 60 100 200 300 400 500 600 700 800 900 1000 0.01 0.1 1 10 100 1k 10k 100 200 300 400 500 600 700 800 900 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 8610AX G04 8610AX G05 8610AX G06
No Load Input Current at 175°C EN Cycling at 175°C Power Up at 175°C
200 TA = 175°C TA = 175°C 180 FRONT PAGE APP VIN 160 3.3V EN OUT IN REGULATION 5V/DIV 10V/DIV 140 VOUT VOUT 120 2V/DIV 2V/DIV 100 PG PG 80 2V/DIV 2V/DIV SS SS 60 INPUT CURRENT (uA) 2V/DIV T 2V/DIV A = 175°C 40 10ms/DIV 8610AX G08 10ms/DIV 8610AX G09 20 0 5 10 15 20 25 30 35 40 INPUT VOLTAGE (V) 8610AX G07 8610axf For more information www.linear.com/LT8610AX 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Reference Voltage Reference Voltage at 175°C Efficiency at 175°C, V Reference Voltage Reference Voltage at 175C OUT = 3.3V Efficiency at 175°C, VOUT = 3.3V
1000 45 100 LOAD = 0.5A N = 347 TA = 175°C 990 µ = 968.5 90 fSW = 700kHz σ = 3.33 80 980 12VIN TS 30 70 24V 970 IN AR TAGE (mV) 60 36VIN 960 50 950 40 15 EFFICIENCY (%) NUMBER OF P 30 940 REFERENCE VOL 20 930 10 920 0 0 25 50 75 100 125 150 175 200 950 955 960 965 970 975 980 985 990 0.01 0.1 1 10 100 1k 10k TEMPERATURE (°C) REFERENCE VOLTAGE (mV) LOAD CURRENT (mA) 8610AX G01 8610AX G02 8610AX G03
Efficiency at 175°C, VOUT = 3.3V Efficiency at 175°C, VOUT = 5V Efficiency at 175°C, VOUT = 5V OUT Efficiency at 175°C, VOUT = 5V OUT
100 100 T 100 A = 175°C T T A = 175°C A = 175°C 95 fSW = 700kHz 90 f f SW = 700kHz 95 SW = 700kHz 12V 12VIN IN 80 90 12VIN 24V 90 IN 70 24V 24VIN 85 IN 36VIN 60 85 36VIN 80 50 80 36VIN 75 40 EFFICIENCY (%) EFFICIENCY (%) 75 EFFICIENCY (%) 30 70 70 20 65 10 65 60 0 60 100 200 300 400 500 600 700 800 900 1000 0.01 0.1 1 10 100 1k 10k 100 200 300 400 500 600 700 800 900 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 8610AX G04 8610AX G05 8610AX G06
No Load Input Current at 175°C EN Cycling at 175°C Power Up at 175°C
200 TA = 175°C TA = 175°C 180 FRONT PAGE APP VIN 160 3.3V EN OUT IN REGULATION 5V/DIV 10V/DIV 140 VOUT VOUT 120 2V/DIV 2V/DIV 100 PG PG 80 2V/DIV 2V/DIV SS SS 60 INPUT CURRENT (uA) 2V/DIV T 2V/DIV A = 175°C 40 10ms/DIV 8610AX G08 10ms/DIV 8610AX G09 20 0 5 10 15 20 25 30 35 40 INPUT VOLTAGE (V) 8610AX G07 8610axf For more information www.linear.com/LT8610AX 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Related Parts
