NCP5008(2003) 데이터 시트보기 (PDF) - ON Semiconductor
부품명
상세내역
제조사
NCP5008 Datasheet PDF : 20 Pages
| |||
NCP5008, NCP5009
TYPICAL OPERATING CHARACTERISTICS
Condition: Typical Application: L = 22 mH, Cin = 10 mF, Cout = 2.2 mF, R1 = 30 kW
80
85
75
Vbat = 4.2 V
70
65
60
Vbat = 3.6 V
55
Vbat = 3.0 V
50
0
5
10
15
20
25
30
35
ILED (mA)
Figure 13. Efficiency vs. Load Current @ 4 LEDS
(Vload = 4*Vf ⇒ 14.2 V)
90
Vbat = 4.2 V
85
80
Vbat = 4.2 V
75
Vbat = 3.6 V
70
65
60
55
Vbat = 3.0 V
50
0
5
10
15
20
25
30
35
ILED (mA)
Figure 14. Efficiency vs. Load Current @ 3 LEDS
(Vload = 3*Vf ⇒ 10.5 V)
100
Vbat = 6.0 V
95
80
Vbat = 3.6 V
75
Vbat = 3.0 V
70
65
60
0
5
10
15
20
25
30
35
ILED (mA)
Figure 15. Efficiency vs Load Current @ 2 LEDS
(Vload = 2*Vf ⇒ 7.1 V)
5.0 V
90
4.2 V
85
80
3.6 V
75
3.0 V
70
0
10 20
30
40
50
60
70
ILED (mA)
Figure 16. Efficiency vs Load Current @ 4 LEDS
(Vload = 2 strings of 2 LEDs in series = 7.1 V)
http://onsemi.com
9
Share Link: 