MIC24052 Datasheet, PDF (14/34 Pages) Micrel Semiconductor – 12V, 6A High-Efficiency Buck Regulator

MIC24052
V_EN
(2V/div)
V_OUT
(200mV/div)
V_IN = 12V
V_OUT = 1.8V
I = TO SHORT
OUT
I_L
(5A/div)
FIGURE 2-43:
Time (400μs/div)
Enable Into Short Circuit.
V_OUT
(1V/div)
V_IN = 12V
V_OUT = 1.8V
I_OUT = TO SHORT
I_L
(5A/div)
FIGURE 2-44:
Time (200μs/div)
Short Circuit.
V_OUT
(1V/div)
I_OUT
(5A/div)
FIGURE 2-46:
Threshold.
V_IN = 12V
V_OUT = 1.8V
Time (40ms/div)
Output Current-Limit
V_OUT
(1V/div)
V_IN = 12V
V_OUT = 1.8V
I_OUT = 1A
V_SW
(10V/div)
Time (2ms/div)
FIGURE 2-47:
Output Recovery from
Thermal Shutdown.
V_OUT
(1V/div)
V_IN = 12V
V_OUT = 1.8V
I_OUT = 6A
I_L
(5A/div)
FIGURE 2-45:
Circuit.
Time (2ms/div)
Output Recovery from Short
V_OUT
(20mV/div)
(AC-COUPLED)
V_SW
(10V/div)
I_L
(5A/div)
FIGURE 2-48:
= 6A).
V_IN = 12V
V_OUT = 1.8V
I_OUT = 6A
Time (400ns/div)
Switching Waveforms (I_OUT
DS20005659A-page 14
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