Datasheet LTM8023 (Analog Devices) - 4

LTM8023
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted Efficiency (8VOUT) Efficiency (5VOUT) Efficiency (3.3VOUT)
100 90 90 VOUT = 8V VOUT = 5V VOUT = 3.3V 90 85 85 80 80 80 70 75 75 60 70 70 50 65 65 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 40 60 60 5VIN 12V 12V 30 IN 55 IN 55 12VIN 24VIN 24VIN 24VIN 36V 36V 20 IN 50 IN 50 36VIN 0.01 0.1 1 0.01 0.1 1 0.01 0.1 1 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 8023 G01 8023 G02 8023 G03
Minimum Required Input Voltage 36VIN Start-Up Waveforms 36VIN Start-Up Waveforms vs Output Voltage (5VOUT) (3.3VOUT)
20 IOUT = 2A 18 V 16 OUT VOUT 2V/DIV 2V/DIV 14 OPERATING FREQUENCY IIN IIN AS RECOMMENDED 0.2A/DIV 0.2A/DIV TAGE (V) 12 IN TABLE 1 RUN/SS RUN/SS 10 5V/DIV 5V/DIV 8023 G05 V 8023 G06 8 IN = 36V 50µs/DIV VIN = 36V 50µs/DIV INPUT VOL IOUT = 2A IOUT = 2A 6 VBIAS = 3V VBIAS = 3V 4 2 0 2 4 6 8 10 OUTPUT VOLTAGE (V) 8023 G04
Input Current vs Output Current Input Current vs Output Current Input Current vs Output Current
1600 1200 2000 V V OUT = 8V OUT = 5V VOUT = 3.3V 1800 1400 1000 1600 1200 1400 800 1000 1200 5VIN 12VIN 800 600 24VIN 1000 12VIN 24VIN 36VIN 800 36VIN 600 400 INPUT CURRENT (mA) INPUT CURRENT (mA) INPUT CURRENT (mA) 600 400 400 12VIN 200 200 24VIN 200 36V 0 IN 0 0 0 500 1000 1500 2000 0 500 1000 1500 2000 0 500 1000 1500 2000 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 8023 G07 8023 G08 8023 G09 8023fj 4 For more information www.linear.com/LTM8023