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| MIC45404 Datasheet, PDF (10/32 Pages) Microchip Technology – 19V 5A Ultra-Low Profile DC-to-DC Power Module | |||
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MIC45404
Note: Unless otherwise indicated, VIN = 12V; CVDDA= 2.2 µF, TA = +25°C.
VIN = 12V
VOUT = 1.2V
RLOAD = 0.3ï
fSW = 400 kHz
Time (2 ms/div)
VIN
(5V/div)
VOUT
(500 mV/div)
PG
(5V/div)
EN/DLY(2V/div
IOUT(2A/div)
VOUT (500 mV/div)
PG(5V/div)
Time (40 µs/div)
VVIONU=T
12V
= 1.2V
ROUT = 0.24ï
fSW = 400 kHz
FIGURE 2-18:
VIN Turn-On.
VIN
(5V/div)
VOUT
(500 mV/div
PG
(5V/div)
VIN = 12V
VOUT = 1.2V
RLOAD = 0.6ï
fSW = 400 kHz
Time (2 ms/div)
FIGURE 2-21:
Enable Turn-Off.
VIN = 12V
VVOPRUET-B=I1A.S2V= 0.6V
fSW = 400 kHz
EN/DLY(2V/div
VOUT (500 mV/div)
Time (1 ms/div)
PG(5V/div)
FIGURE 2-19:
VIN Turn-Off.
VIN = 12V
VOUT = 1.2V
ROUT = 0.24ï
fSW = 400 kHz
EN/DLY(2V/div
IOUT(2A/div)
VOUT (500 mV/div)
Time (1 ms/div)
PG(5V/div)
FIGURE 2-22:
Output.
Enable Start-up w/Pre-Biased
VIN = 12V
VOUT = 1.2V
fVSPWRE=-B4I0A0S
= 1.0V
kHz
EN/DLY(2V/div
VOUT (500 mV/div)
Time (1 ms/div)
PG(5V/div)
FIGURE 2-20:
Enable Turn-On.
FIGURE 2-23:
Enable Start-up
w/Pre-Biased Output.
DS20005478A-page 10
ï£ 2015 Microchip Technology Inc.
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