ncp1522b ON Semiconductor, ncp1522b Datasheet - Page 6

• Manufacturer Part Number: ncp1522b
• Description: 3 Mhz, 600 Ma Step-down Dc-dc Converter
• Manufacturer: ON Semiconductor

100
95
90
85
80
75
70
65
60
55
50
-1.0
-2.0
-3.0
100
3.0
2.0
1.0
Figure 9. Output Voltage Accuracy vs. Temperature
95
90
85
80
75
70
65
60
55
50
0
0
0
0
Figure 13. Efficiency vs. Output Current
100
Figure 11. Efficiency vs. Output Current
100
20
I
OUT
I
OUT
(V
(V
I
OUT
IN
IN
, OUTPUT CURRENT (mA)
= 200 mA
200
(V
= 3.6 V, V
I
V
= 3.6 V, V
200
, OUTPUT CURRENT (mA)
OUT
TEMPERATURE (°C)
40
OUT
IN
= 3.6 V, T
25°C
= 600 mA
= 0.9 V
300
300
OUT
60
OUT
V
OUT
I
A
OUT
= 1.2 V)
= 1.2 V)
V
400
= 255C)
= 1.8 V
OUT
400
= 20 mA
80
= 3.3 V
85°C
-40 °C
500
500
100
http://onsemi.com
NCP1522B
600
600
120
6
-1.0
-2.0
-3.0
Figure 10. Output Voltage Accuracy vs. Temperature
100
3.0
2.0
1.0
95
90
85
80
75
70
65
60
55
50
3.6
3.4
3.2
2.8
2.6
2.4
0
3
0
2.5
0
Figure 14. Switching Frequency vs. Input
Figure 12. Efficiency vs. Output Current
Voltage (V
100
20
3
(V
V
V
OUT
IN
IN
I
OUT
= 5.5 V
(V
V
25°C
= 3.6 V
IN
-40 °C
= 1.2 V, I
, OUTPUT CURRENT (mA)
OUT
3.5
200
40
, INPUT VOLTAGE (V)
OUT
TEMPERATURE (°C)
= 1.2 V, T
= 1.2 V, I
V
IN
OUT
300
= 2.7 V
4
60
V
85°C
IN
= 3.6 V
= 200 mA)
A
OUT
= 255C)
4.5
400
V
80
= 300 mA)
IN
V
= 5.5 V
IN
= 2.7 V
5
100
500
5.5
600
120