MPQ4322 – 42V LOAD DUMP, 2A, LOW-IQ, SYNC STEP-DOWN CONVERTER, AEC-Q100
TYPICAL CHARACTERISTICS
VIN = 12V, unless otherwise noted.
Feedback Voltage vs.
Temperature
Quiescent Current vs.
Temperature
806
804
802
800
798
796
794
51
47
43
39
35
31
27
23
19
15
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
PG Rising/Falling Threshold vs.
Temperature
ZCD Current vs. Temperature
62
59
56
53
50
47
44
41
110
108
106
104
102
100
98
96
94
92
90
PG Upper Falling Threshold
PG Lower Rising Threshold
PG Upper Rising Threshold
PG Lower Falling Threshold
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
EN UVLO Threshold vs.
Temperature
VIN UVLO Threshold vs.
Temperature
1.08
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
1.04
1.00
0.96
0.92
0.88
0.84
0.80
EN UVLO Rising
VIN UVLO Rising
EN UVLO Falling
VIN UVLO Falling
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
TEMPERATURE (°C)
TEMPERATURE (°C)
MPQ4322 Rev. 1.0
4/6/2023
MonolithicPower.com
9
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