ncp1522b ON Semiconductor, ncp1522b Datasheet - Page 5

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

TABLE OF GRAPHS
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V
V
V
V
V
V
V
Freq
I
STB
Eff
OUT
OUT
OUT
OUT
OUT
OUT
OUT
0
I
q
2.5
Figure 7. Shutdown Current vs. Supply Voltage
Standby Current
Quiescent Current, PFM No Switching
Output Voltage Accuracy
Efficiency
Switching Frequency
Soft-Start
Short Circuit Protection
Line Regulation
Line Transient
Load Regulation
Load Transient
3.0
Typical Characteristics for Step-down Converter
V
IN
3.5
, INPUT VOLTAGE (V)
4.0
4.5
5.0
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NCP1522B
5.5
5
vs. Input Voltage
vs. Input Voltage
vs. Temperature
vs. Output Current
vs. Input Voltage
vs. Time
vs. Time
vs. Input Voltage
vs. Time
vs. Output Current
vs. Time
56
54
52
50
48
46
44
2.5
Figure 8. Quiescent Current PFM No Switching
3.0
V
IN
3.5
vs. Supply Voltage
, INPUT VOLTAGE (V)
4.0
23, 24, 25, 26
11, 12, 13
4.5
Figure
17, 18
19, 20
21, 22
9, 10
14
15
16
7
8
5.0
5.5