AL8807A 데이터 시트보기 (PDF) - Diodes Incorporated.
부품명
상세내역
제조사
AL8807A
Diodes Incorporated.
AL8807A Datasheet PDF : 20 Pages
| |||
Typical Performance Characteristics (cont.) (@TA = +25°C, unless otherwise specified.)
AL8807A
Figure 7 SW Output Rise Time
22%
20%
18%
16%
VIN = 12V
2 LEDs
L = 68µH
TA = 25°C
RS = 100m
LED Current
1.10
1.00
0.90
0.80
14%
0.70
12%
RS = 150m
0.60
10%
0.50
8%
0.40
6%
0.30
4%
0.20
2%
RS = 150m LED Current Error 0.10
0%
0.00
-2%
RS = 100m
-0.10
0
1
2
3
4
5
CTRL VOLTAGE (V)
Figure 9 LED Current (Different Sense Resistor) vs. VCTRL
0.25
0.20
VIN = 12V
2 LEDs
RS = 100m
TA = 25°C
Figure 8 SW Output Fall Time
1.2
VIN = 12V
2 LEDs
1.0 RS = 100m
TA = 25°C
0.8
0.6
L = 33µH
0.4
0.2
L = 68 ~ 220µH
0.0
0
1
2
3
4
5
CTRL VOLTAGE (V)
Figure 10 LED Current (Different Inductor) vs. VCTRL
0.15
0.10
L = 33µH
0.05
L = 68 ~ 220µH
0.00
0
0.1
0.2
0.3
0.4
0.5
CTRL PIN VOLTAGE (V)
Figure 11 LED Current (Zoomed In) vs. VCTRL
AL8807A
Document number: DS35990 Rev. 2 - 2
6 of 20
www.diodes.com
Figure 12 Switching Frequency vs. VCTRL
March 2013
© Diodes Incorporated
Share Link: