Datasheet LT8210 (Analog Devices) - 9

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TYPICAL PERFORMANCE CHARACTERISTICS Load Step Load Step Load Step (Boost Region – Figure 37) (Buck-Boost Region – Figure 37) (Buck Region – Figure 37)
IOUT I I OUT OUT 1A/DIV 1A/DIV 1A/DIV I I L L 5A/DIV 2A/DIV IL 5A/DIV V V OUT (AC) OUT (AC) 500mV/DIV V 500mV/DIV OUT (AC) 500mV/DIV IMON IMON IMON 500mV/DIV 500mV/DIV 500mV/DIV 400µs/DIV 8210 G19 400µs/DIV 8210 G20 400µs/DIV 8210 G21 LOAD STEP FROM 500mA TO 2A LOAD STEP FROM 500mA TO 2A LOAD STEP FROM 500mA TO 2A VIN = 20V, VOUT = 48V, CCM MODE VIN = 48V, VOUT = 48V, CCM MODE VIN = 70V, VOUT = 48V, CCM MODE
Line Step Line Step Line Step (Boost Region – Figure 37) (Buck-Boost Region – Figure 37) (Buck Region – Figure 37)
VIN VIN V V 20V/DIV IN FROM 48V TO 58V 20V/DIV IN V 10V/DIV V IN FROM 20V TO 30V IN FROM 60V TO 70V IL SW2 SW2 5A/DIV 50V/DIV 50V/DIV V I I OUT (AC) L L 500mV/DIV 5A/DIV 5A/DIV V V SW1 OUT (AC) OUT (AC) 50V/DIV 500mV/DIV 500mV/DIV 40µs/DIV 8210 G22 20µs/DIV 8210 G23 20µs/DIV 8210 G24 IOUT = 2A IOUT = 2A IOUT = 2A CCM MODE CCM MODE CCM MODE
Input Voltage Sweep Input Voltage Sweep High Frequency Switching Region (CCM Mode – Figure 37) (Pass-Thru – Figure 37) Transitions (CCM Mode T – Figure 37) ransitions (CCM Mode – Figure 38)
VIN 25V/DIV VOUT VOUT 15V/DIV V V OUT = 48V OUT = 36V VOUT = 52V 15V/DIV VIN VIN I 15V/DIV L 15V/DIV 10A/DIV SW1 SW1 SW1 50V/DIV 50V/DIV 50V/DIV SW2 SW2 SW2 50V/DIV 50V/DIV 50V/DIV 8210 G27 400µs/DIV 8210 G25 400µs/DIV 8210 G26 20µs/DIV Rev. A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Table of Contents Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts