Datasheet
NCP5005
http://onsemi.com
13
Figure 24. Typical Output Peak Voltage
TYPICAL OPERATING WAVEFORMS
Test Conditions: L = 22 mH, I
out
= 15 mA, V
bat
= 3.6 V, Ambient Temperature
Output Voltage
Inductor Current
Figure 25. Efficiency as a Function of V
bat
and Inductor ESR
78.00
80.00
82.00
84.00
86.00
88.00
90.00
92.00
3 3.5 4 4.5 5 5.5
V
bat
(V)
EFFICIENCY (%)
ESR = 1.3 W
ESR = 0.3 W
NCP5005: Efficiency = f(ESR) @ 5 LED, ILed = 20 mA