ncp1522b ON Semiconductor, ncp1522b Datasheet - Page 7

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

-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
-1
1
0
2.7
(Risetime = 50 ms, V
Figure 19. 3.0 V to 3.6 V Line Transient
V
2 V/div
IN
3.2
(V
Figure 15. Typical Soft-Start
(V
OUT
Figure 17. Line Regulation
OUT
V
= 1.2 V, I
IN
3.7
, INPUT VOLTAGE (V)
= 1.2 V, I
T
A
OUT
= 255C)
OUT
4.2
OUT
= 1.2 V, I
= 250 mA)
100 ms/div
85°C
500 mV/div
= 300 mA)
Time
100 mV/div
V
0.5 V/div
OUT
20 mV/div
V
OUT
4.7
I
-40 °C
LX
IN
V
OUT
= 100 mA,
25°C
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5.2
NCP1522B
7
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
-1
1
0
2.7
(Risetime = 50 ms, V
Figure 20. 3.6 V to 3.0 V Line Transient
10 ms/div
I
OUT
Time
Figure 16. Short-Circuit Protection
3.2
0.5 V/div
= 600 mA
20 mV/div
V
(V
IN
Figure 18. Line Regulation
V
(V
OUT
IN
V
IN
OUT
= 3.6 V, V
, INPUT VOLTAGE (V)
3.7
T
A
= 1.2 V, T
OUT
= 255C)
= 1.2 V, I
OUT
4.2
I
OUT
200 mV/div
I
A
OUT
= 1.2 V)
500 mV/div
= 255C)
V
= 300 mA
OUT
OUT
= 1 mA
I
LX
4.7
= 100 mA,
5.2