ncp1578 ON Semiconductor, ncp1578 Datasheet - Page 9

• Manufacturer Part Number: ncp1578
• Description: Synchronous Step Down Controller With 50ma Linear Regulator
• Manufacturer: ON Semiconductor

-14.5
-14.8
-15.3
-15.5
115.8
115.6
115.4
115.2
-15
116
115
2.5
2.3
2.1
1.9
1.7
1.5
-40
-40
-40
Figure 12. Overcurrent Threshold vs. Ambient
Figure 10. P
Figure 14. P
-15
-15
-15
T
T
T
A
A
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
Ambient Temperature
GOOD
GOOD
Temperature
Temperature
10
10
10
Delay Current vs. Ambient
Lower Threshold vs.
TYPICAL OPERATING CHARACTERISTICS
35
35
35
60
60
60
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NCP1578
85
85
85
9
1.25
1.24
1.23
1.22
1.21
1.20
65.5
64.5
5.0
4.5
4.0
3.5
3.0
66
65
64
-40
-40
-40
Figure 11. P
Figure 15. EN_LDO Leakage Current vs.
Figure 13. Undervoltage Threshold vs.
-15
-15
-15
T
T
T
A
A
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
GOOD
Ambient Temperature
Ambient Temperature
Temperature
10
10
Delay Threshold vs. Ambient
10
35
35
35
60
60
60
85
85
85