Datasheet LTC3613 (Analog Devices) - 5

LTC3613
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted Transient Response: Load Step: Load Release: Forced Continuous Mode Forced Continuous Mode Forced Continuous Mode
V V OUT OUT 100mV/DIV VOUT 100mV/DIV 100mV/DIV IL I IL 10A/DIV L 10A/DIV 10A/DIV ILOAD I I LOAD LOAD 10A/DIV 10A/DIV 10A/DIV 40μs/DIV 3613 G01 10μs/DIV 3613 G02 10μs/DIV 3613 G03 LOAD TRANSIENT = 0A TO 15A LOAD STEP = 0A TO 15A LOAD RELEASE = 15A TO 0A VIN = 12V, VOUT = 1.5V VIN = 12V, VOUT = 1.5V VIN = 12V, VOUT = 1.5V FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT
Transient Response: Load Release: Pulse-Skipping Mode Load Step: Pulse-Skipping Mode Pulse-Skipping Mode
V V OUT OUT VOUT 100mV/DIV 100mV/DIV 100mV/DIV IL I IL L 10A/DIV 10A/DIV 10A/DIV ILOAD ILOAD ILOAD 10A/DIV 10A/DIV 10A/DIV 40μs/DIV 3613 G04 10μs/DIV 3613 G05 10μs/DIV 3613 G06 LOAD TRANSIENT = 500mA TO 15A LOAD STEP = 500mA TO 15A LOAD RELEASE = 15A TO 500mA VIN = 12V, VOUT = 1.5V VIN = 12V, VOUT = 1.5V VIN = 12V, VOUT = 1.5V FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT
Soft Start-Up into Normal Soft Start-Up a Pre-Biased Output Output Tracking
VIN VIN 5V/DIV 5V/DIV TRACK/SS TRACK/SS 500mV/DIV TRACK/SS 500mV/DIV 500mV/DIV VOUT V 1V/DIV VOUT OUT VOUT PRE-BIASED TO 0.75V 1V/DIV 1V/DIV 4ms/DIV 3613 G07 VIN = 12V 2ms/DIV 3613 G08 VIN = 12V 10ms/DIV 3613 G09 VIN = 12V VOUT = 1.5V VOUT = 1.5V VOUT = 1.5V FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT FIGURE 10 CIRCUIT 3613fa 5