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NCP5008 Datasheet(PDF) 9 Page - ON Semiconductor

Part # NCP5008
Description  Backlight LED Boost Driver
PDF  20 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP5008 Datasheet(HTML) 9 Page - ON Semiconductor

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NCP5008, NCP5009
http://onsemi.com
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Vbat = 6.0 V
ILED (mA)
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ILED (mA)
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ILED (mA)
85
Figure 13. Efficiency vs. Load Current @ 4 LEDS
(Vload = 4*Vf ⇒ 14.2 V)
Figure 14. Efficiency vs. Load Current @ 3 LEDS
(Vload = 3*Vf ⇒ 10.5 V)
Figure 15. Efficiency vs Load Current @ 2 LEDS
(Vload = 2*Vf ⇒ 7.1 V)
Figure 16. Efficiency vs Load Current @ 4 LEDS
(Vload = 2 strings of 2 LEDs in series = 7.1 V)
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Vbat = 3.6 V
Vbat = 4.2 V
Vbat = 3.0 V
ILED (mA)
5.0 V
4.2 V
3.6 V
3.0 V
Vbat = 3.6 V
Vbat = 4.2 V
Vbat = 3.0 V
Vbat = 3.6 V
Vbat = 4.2 V
Vbat = 3.0 V
TYPICAL OPERATING CHARACTERISTICS
Condition: Typical Application: L = 22
mH, Cin = 10 mF, Cout = 2.2 mF, R1 = 30 kW



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