MIC24045 Datasheet, PDF (12/46 Pages) Microchip Technology – I2C Programmable, 4.5V-19V Input, 5A Step-Down Converter

MIC24045
Note: Unless otherwise indicated, V_IN = 12V, f_S = 660 kHz, I_LIM = I_{LIM_LS3}, L = 2.2 µH, T_A = +25°C.
V_IN
5V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
4 ms/div
FIGURE 2-23:
V_IN Turn-on (EN = V_DDA, no
I²C programming, registers default values for 2Z
version), R_LOAD = 0.3.
EN
2V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
FIGURE 2-26:
80 µs/div
EN Turn-off, R_LOAD = 0.3.
V_IN
5V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
FIGURE 2-24:
R_LOAD = 0.3.
4 ms/div
V_IN Turn-off (EN = V_DDA),
EN
2V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
2 ms/div
FIGURE 2-27:
EN Turn-on into pre-biased
output (V_pre-bias = 0.5V).
EN
2V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
FIGURE 2-25:
2 ms/div
EN Turn-on, R_LOAD = 0.3.
EN
2V/div
V_OUT
500 mV/div
PG
5V/div
IL
2A/div
2 ms/div
FIGURE 2-28:
EN Turn-on into pre-biased
output (V_pre-bias = 0.8V).
DS20005568A-page 12
 2016 Microchip Technology Inc.