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MIC24053 Datasheet, PDF (13/32 Pages) Micrel Semiconductor – 12V, 9A High-Efficiency Buck Regulator
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MIC24053
VEN
(2V/div)
VOUT
(1V/div)
IL
(10A/div)
FIGURE 2-37:
Fall Time.
VIN = 12V
VOUT = 1.8V
IOUT = 9A
Time (40μs/div)
Enable Turn-Off Delay and
VEN
(1V/div)
VIN = 12V
VOUT = 1.8V
IOUT = 2A
VOUT
(1V/div)
FIGURE 2-40:
Time (10ms/div)
Enable Thresholds.
VIN
(10V/div)
VOUT
(1V/div)
VSW
(10V/div)
VIN = 12V
VOUT = 1.8V
IOUT = 9A
VPRE-BIAS = 1V
Time (2ms/div)
FIGURE 2-38:
VIN Start-Up with
Pre-Biased Output.
VEN
(2V/div)
VOUT
(1V/div)
IL
(10A/div)
FIGURE 2-39:
VIN = 12V
VOUT = 1.8V
IOUT = 9A
Time (4ms/div)
Enable Turn-On/Turn-Off.
VIN
(2V/div)
VOUT
(1V/div)
FIGURE 2-41:
VIN = 2V to 6V
VOUT = 1.8V
IOUT = 2A
Time (10ms/div)
VIN UVLO Thresholds.
VIN
(10V/div)
VOUT
(200mV/div)
VIN = 12V
VOUT = 1.8V
IOUT = Short
IL
(5A/div)
FIGURE 2-42:
Time (1ms/div)
Power Up into Short Circuit.
 2015 Microchip Technology Inc.
DS20005668A-page 13
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