NCP5006 Ver la hoja de datos (PDF) - ON Semiconductor
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NCP5006 Datasheet PDF : 24 Pages
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NCP5006
Yield = f(Vbat) @ Iout = 40 mA/Lout = 22 mH
100
90 2 LED/40 mA
80
70
4 LED/40 mA
60
3 LED/40 mA
50
5 LED/40 mA
40
30
20
10
0
2.50
3.00
3.50 4.00
Vbat (V)
4.50
5.00
5.50
All curve conditions: L = 22 mH, Cin = 4.7 mF, Cout = 1.0 mF,
Typical curve @ T° = +25°C
Figure 14. Overall Efficiency vs. Power Supply @
Iout = 40 mA, L = 22 mH
Feedback Variation vs. Nominal
(Vbat = 3.0 V, 6.0 V, T = 255C)
5
4
3
2
1
Vbat = 3.1 V thru 5.5 V
0
−1
−2
−3
−4
−5
−40 −20
0
20 40 60
TEMPERATURE (°C)
80 100
Figure 16. Feedback Voltage Variation
Frequency = f(Vbat) @ Iout = 20 mA−Lout = 22 mH
2.5
2.0
2 LED
1.5
3 LED
1.0
4 LED
5 LED
0.5
Feedback Variation vs. Temperature
205
204
203
202
Vbat = 3.1 V thru 5.5 V
201
200
199
198
197
196
195
−40 −20
0
20
40
60
80 100
TEMPERATURE (°C)
Figure 15. Feedback Voltage Stability
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.7
26
Standby Current vs. Vbat
−40°C thru 125°C
3.3
3.9
4.5
5.1 5.5
Vbat (V)
Figure 17. Standby Current
OVP vs. Temperature
25 Vbat = 2.7 V
Vbat = 5.5 V
24
Vbat = 3.6 V
23
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Vbat (V)
Figure 18. Typical Operating Frequency
22
−40 −20
0 20 40 60 80 100 120 130
TEMPERATURE (°C)
Figure 19. Overvoltage Protection
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