ncp1529 ON Semiconductor, ncp1529 Datasheet - Page 7

• Manufacturer Part Number: ncp1529
• Description: High Efficiency Dc-dc Converters
• Manufacturer: ON Semiconductor

100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
2.5
0
0
Figure 8. Standby Current vs. Input Voltage
Figure 10. Efficiency vs. Output Current
Figure 12. Efficiency vs. Output Current
3.0
(Enable = 0, Temperature = 255C)
200
200
(V
IN
I
I
OUT
OUT
(V
= 3.6 V, Temperature = 255C)
V
IN
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
IN
3.5
, INPUT VOLTAGE (V)
= 3.3 V, V
400
400
4.0
25°C
OUT
600
600
= 1.2 V)
4.5
V
85°C
OUT
800
800
-40°C
1.2 V
5.0
= 0.9 V
http://onsemi.com
3.3 V
NCP1529
1000
1000
5.5
7
100
2.2
2.1
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
90
80
70
60
50
40
30
20
10
31
30
29
28
27
2
0
2.5
-60
0
Figure 9. Quiescent Current vs. Input Voltage
Figure 13. Switching Frequency vs. Ambient
Temperature (V
Figure 11. Efficiency vs. Output Current
3.0
200
(V
T
IN
A
(Open Loop, Feedback = 1,
I
-20
, AMBIENT TEMPERATURE (°C)
OUT
= 1.2 V, Temperature = 255C)
V
Temperature = 255C)
, OUTPUT CURRENT (mA)
IN
3.5
, INPUT VOLTAGE (V)
400
V
IN
V
out
BAT
= 2.7 V
4.0
= 1.2 V, I
20
= 2.7 V
600
3.6 V
4.5
out
= 200 mA)
3.3 V
5.5 V
60
800
5.5 V
5.0
1000
100
5.5