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| MIC2125 Datasheet, PDF (15/34 Pages) Microchip Technology – 28V Synchronous Buck Controllers Featuring Adaptive ON-Time Control | |||
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MIC2125/6
Note: Unless otherwise noted, VIN = 12V, FREQ = 350 kHz.
OUT
VOUT
(20mV/div)
(AC-coupled)
VIN = 12V
VOUT = 1.2V
IOUT = 10A
IL
(2V/div)
VSW
(10V/div)
OUT
VIN = 12V
VOUT = 1.2V
I = 0.1A
OUT
VSW
(5V/div)
IL
(10A/div)
FIGURE 2-49:
10A.
Time (2μs/div)
Switching Waveform, IOUT =
OUT
VOUT
(20mV/div)
(AC-Coupled)
VDH
(10V/div)
VDL
(5V/div)
Time (4μs/div)
FIGURE 2-52:
MIC2125 Switching
Waveform, IOUT = 0.1A.
IN
VIN = 12V
VOUT = 1.2V
IOUT = 0A
VIN
(5V/div)
VSW
(5V/div)
IL
(10A/div)
FIGURE 2-50:
20A.
IL
(2A/div)
VIN = 12V
VOUT = 1.2V
I = 20A
OUT
Time (2μs/div)
Switching Waveform, IOUT =
OUT
VIN = 12V
VOUT = 1.2V
IOUT = 0A
VSW
(10V/div)
VDH
(10V/div)
VDL
(5V/div)
Time (4μs/div)
FIGURE 2-51:
MIC2125 Switching
Waveform, IOUT = 0A.
VOUT
(1V/div)
VPG
(5V/div)
FIGURE 2-53:
Turn-On.
VIN
(5V/div)
VOUT
(1V/div)
VPG
(5V/div)
FIGURE 2-54:
Turn-Off.
Time (4ms/div)
Power Good at VIN Soft
IN
VIN = 12V
VOUT = 1.2V
IOUT = 0A
Time (20ms/div)
Power Good at VIN Soft
ï£ 2015 Microchip Technology Inc.
DS20005459B-page 15
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