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| MIC28513 Datasheet, PDF (11/34 Pages) Microchip Technology – 45V, 4A Synchronous Buck Regulator | |||
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MIC28513
FIGURE 2-25:
Efficiency (VIN = 36V) vs.
Output Current (MIC28513-2).
VIN
(10V/div)
VOUT
(2V/div)
VSW
(5V/div)
IIL
(5A/div)
FIGURE 2-26:
VIN = 12V
VOUT = 5V
IOUT = 4A
Time (2ms/div)
Turn-On.
VIN
(10V/div)
VOUT
(2V/div)
VSW
(5V/div)
VIN = 12V
VOUT = 5V
IOUT = 4A
IIL
(5A/div)
FIGURE 2-27:
Time (200μs/div)
Turn-Off.
VEN
(10V/div)
VOUT
(2V/div)
IIL
(5A/div)
FIGURE 2-28:
VIN = 12V
VOUT = 5V
IOUT = 4A
Time (2ms/div)
Enable Turn-On.
VEN
(10V/div)
VOUT
(2V/div)
VIN = 12V
VOUT = 5V
IOUT = 4A
IIL
(5A/div)
FIGURE 2-29:
Time (400μs/div)
Enable Turn-Off.
VOUT
(2V/div)
VIN = 12V
VOUT = 5V
IOUT = 0A
VPRE-BIAS = 2V
VSW
(10V/div)
Time (1ms/div)
FIGURE 2-30:
MIC28513-1 VIN Start-Up
with Pre-Biased Output.
ï£ 2016 Microchip Technology Inc.
DS20005522A-page 11
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