ncp1450-d ON Semiconductor, ncp1450-d Datasheet - Page 6

• Manufacturer Part Number: ncp1450-d
• Description: Pwm Step?up Dc?dc Controller
• Manufacturer: ON Semiconductor

140
120
100
2.1
2.0
1.9
1.8
1.7
1.6
5.2
5.1
5.0
4.9
4.8
4.7
80
60
40
−50
−50
−50
Figure 11. NCP1450ASN50T1 Output Voltage
NCP1450ASN19T1
L = 22 mH
I
V
NCP1450ASN50T1
L = 22 mH
I
V
NCP1450ASN30T1
V
Open−Loop Test
Figure 9. NCP1450ASN19T1 Output Voltage
O
O
IN
IN
OUT
Figure 13. NCP1450ASN30T1 Operating
= 0 mA
= 0 mA
= 1.2 V
= 1.2 V
−25
−25
−25
= 3.0 V x 0.96
Current vs. Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
vs. Temperature
0
0
vs. Temperature
25
25
25
50
50
50
75
75
75
http://onsemi.com
NCP1450A
100
100
100
6
100
200
180
160
140
120
100
3.1
3.2
3.0
2.9
2.8
2.7
80
60
40
20
0
−50
−50
−50
Figure 10. NCP1450ASN30T1 Output Voltage
NCP1450ASN30T1
L = 22 mH
I
V
NCP1450ASN19T1
V
Open−Loop Test
NCP1450ASN50T1
V
Open−Loop Test
O
IN
OUT
OUT
Figure 12. NCP1450ASN19T1 Operating
Figure 14. NCP1450ASN50T1 Operating
= 0 mA
= 1.2 V
−25
−25
−25
= 1.9 V x 0.96
= 5.0 V x 0.96
Current vs. Temperature
Current vs. Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
0
vs. Temperature
25
25
25
50
50
50
75
75
75
100
100
100