TPS562212
ZHCSNA3 –OCTOBER 2021
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6.6 Typical Characteristics (continued)
VIN = 12 V, TA = 25°C, unless otherwise noted
4.4
1.28
1.2
L--> H
H--> L
L ç H
H ç L
4.2
4
1.12
1.04
0.96
0.88
3.8
3.6
3.4
3.2
-40
-20
0
20
40
60
80
100 120 140
-60
-30
0
30
60
90
120
150
TJ - Junction Temperature (°C)
TJ - Junction Temperature (èC)
图6-8. EN Threshold vs Junction Temperature
图6-7. VIN UVLO Threshold vs Junction Temperature
3.7
2.65
2.6
2.55
2.5
3.65
3.6
2.45
2.4
3.55
3.5
2.35
2.3
2.25
2.2
3.45
3.4
2.15
-50
-25
0
25
50
75
100
125
-40
-20
0
20
40
60
80
100 120 140
TJ - Junction Temperature (èC)
TJ - Junction Temperature (èC)
图6-9. High-Side Current Limit Threshold vs Junction
图6-10. Low-Side Current Limit Threshold vs Junction
Temperature
Temperature
1220
1210
1200
1190
1180
1170
1160
-40
-20
0
20
40
60
80
100 120 140
TJ - Junction Temperature (°C)
图6-12. Switching Frequency vs Output Current, VOUT = 3.3 V, L
图6-11. Switching Frequency vs Junction Temperature
= 2.2 µH
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