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| MIC24045 Datasheet, PDF (14/46 Pages) Microchip Technology – I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter | |||
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MIC24045
Note: Unless otherwise indicated, VIN = 12V, fS = 660 kHz, ILIM = ILIM_LS3, L = 2.2 µH, TA = +25°C.
VIN
5V/div
PG
5V/div
Step from 0.5A to 5A
VOUT
2 mV/div
AC coupled
SW
5V/div
IOUT
5A/div
VOUT
100 mV/div
AC coupled
IL
1A/div
1 µs/div
FIGURE 2-35:
Switching Waveforms -
fS = 660 kHz, IOUT = 0A.
VIN
5V/div
VOUT
2 mV/div
AC coupled
IL
2A/div
SW
5V/div
1 µs/div
FIGURE 2-36:
Switching Waveforms -
fS = 660 kHz, IOUT = 5A.
IL
5A/div
80 µs/div
FIGURE 2-38:
Load Transient Response
with ILIM = ILIM_LS3.
VIN
2V/div
Step from 11.8V to 13.2V
VOUT
5 mV/div
AC coupled
PG
5V/div
FIGURE 2-39:
1 ms/div
Line Transient Response.
Step from 0.2A to 2A
PG
5V/div
IOUT
2A/div
VOUT
50 mV/div
AC coupled
80 µs/div
IL
2A/div
FIGURE 2-37:
Load Transient Response
with ILIM = ILIM_LS0.
DS20005568A-page 14
ï£ 2016 Microchip Technology Inc.
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