NCP5005 ON Semiconductor, NCP5005 Datasheet - Page 13
NCP5005
Manufacturer Part Number
NCP5005
Description
Compact Backlight LED Boost Driver
Manufacturer
ON Semiconductor
Datasheet
1.NCP5005.pdf
(23 pages)
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Figure 25. Efficiency as a Function of V
Test Conditions: L = 22 mH, I
92.00
90.00
88.00
86.00
84.00
82.00
80.00
78.00
3
NCP5005: Efficiency = f(ESR) @ 5 LED, ILed = 20 mA
TYPICAL OPERATING WAVEFORMS
Figure 24. Typical Output Peak Voltage
3.5
http://onsemi.com
out
NCP5005
4
= 15 mA, V
V
13
bat
ESR = 0.3 W
ESR = 1.3 W
(V)
4.5
bat
= 3.6 V, Ambient Temperature
bat
and Inductor ESR
5
5.5
Output Voltage
Inductor Current