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ADP1823 Datasheet, PDF (11/32 Pages) Analog Devices – Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking
T
VOUT1, AC-COUPLED,
100mV/DIV
LOAD ON
LOAD OFF
100µs/DIV
LOAD OFF
Figure 16. 1.5 A to 15 A Load Transient Response, VIN = 12 V
T
SS1, 500mV/DIV
VOUT1, 1V/DIV
SHORT CIRCUIT APPLIED
SHORT CIRCUIT REMOVED
4ms/DIV
Figure 17. Output Short-Circuit Response
T
SWITCH NODE
CHANNEL 1
SWITCH NODE CHANNEL 2
400ns/DIV
Figure 18. Out-of-Phase Switching, Internal Oscillator
T EXTERNAL CLOCK, FREQUENCY = 1MHz
ADP1823
SW PIN, CHANNEL 1
SW PIN, CHANNEL 2
400ns/DIV
Figure 19. Out-of-Phase Switching, External 1 MHz Clock
T EXTERNAL CLOCK, FREQUENCY = 2MHz
SW PIN, CHANNEL 1
SW PIN, CHANNEL 2
200ns/DIV
Figure 20. Out-of-Phase Switching, External 2 MHz Clock
VIN = 12V
T
VOUT1, 2V/DIV
EN1, 5V/DIV
10ms/DIV
Figure 21. Enable Pin Response, VIN = 12 V
Rev. A | Page 11 of 32