MIC45404 Datasheet, PDF (11/32 Pages) Microchip Technology – 19V 5A Ultra-Low Profile DC-to-DC Power Module

MIC45404
Note: Unless otherwise indicated, V_IN = 12V; C_VDDA= 2.2 µF, T_A = +25°C.
V_IN(5V/div)
I_OUT(5A/div)
V_OUT (500 mV/div)
PG(5V/div)
Time (1 ms/div)
PG(5V/div)
V_OUT (500 mV/div)
Time (1 ms/div)
V_IN = 12V
V_{OUT =} 1.2V
f_SW = 400 kHz
I_LIM = high Z
I_OUT(2A/div)
FIGURE 2-24:
Power-up into Short Circuit.
FIGURE 2-27:
(I_LIM = High Z).
Output Current Limit
EN/DLY(2V/div
I_OUT(5A/div)
V_OUT (500 mV/div)
PG(5V/div)
Time (1 ms/div)
FIGURE 2-25:
Enable into Short Circuit.
PG(5V/div)
V_OUT (500 mV/div)
V_IN = 12V
V_{OUT =} 1.2V
f_SW = 400 kHz
I_LIM = 0V
Time (1 ms/div)
I_OUT(2A/div)
FIGURE 2-26:
(I_LIM = 0V).
Output Current Limit
PG(5V/div)
V_OUT (500 mV/div)
I_OUT(2A/div)
Time (20 ms/div)
FIGURE 2-28:
Hiccup Mode Short Circuit
and Output Recovery.
PG(5V/div)
V_OUT (500 mV/div)
I_OUT(2A/div)
Time (200 ms/div)
FIGURE 2-29:
Thermal Shutdown and
Thermal Recovery.
 2015 Microchip Technology Inc.
DS20005478A-page 11