Datasheet AL3644 (Diodes) - 8
| 制造商 | Diodes |
| 描述 | Dual 1.5A Current Source Camera Flash LED Driver |
| 页数 / 页 | 23 / 8 — AL3644. Typical Performance Characteristics. Shutdown Supply Current vs. … |
| 文件格式/大小 | PDF / 805 Kb |
| 文件语言 | 英语 |
AL3644. Typical Performance Characteristics. Shutdown Supply Current vs. Temperature. LED Torch Current vs. Temperature
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文件文字版本
AL3644 Typical Performance Characteristics
(continued) (@TA = +25°C, VIN = 3.6V, VHWEN=VIN, CIN=2×10mF, COUT=2×10mF and L=1mH, unless otherwise specified.)
Shutdown Supply Current vs. Temperature LED Torch Current vs. Temperature
3.0 100 98 2.5 96 94 2.0 (mA) t 92 n
T
rre
C
A) u 90 1.5 m C
U
( 88 I SD rch
D
o 1.0 T 86
O
V =0V HWEN ED AL3644
R
L 84 Torch Code=0x3F=89.3mA Torch
P
0.5 I 82 LED1 ILED2
W
80 0.0
E
-40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (oC)
N
Ambient Temperature (oC)
LED Torch Current vs. Temperature LED Flash Current vs. Temperature
200 1600 1580 195 1560 190 1540 (mA) (mA) 185 t t 1520 n n rre rre u 180 1500 C 1480 sh Cu rch 175 a o l T F 1460 170 ED AL3644TT ED L L 1440 Flash Code=0x7F=1.5A Flash Torch Code=0x3F=180mA Torch I 165 ILED1 1420 LED1 I I LED2 LED2 160 1400 -40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (oC) Ambient Temperature (oC)
LED Torch Current vs. Brightness Code LED1 Torch Current vs. Input Voltage
100 200 90 180 80 160 70 140 60 120 (mA) (mA) ch rch 50 100 o or T T BRC=0 1 D 40 E 80 D E BRC=7 I L I L BRC=15 30 60 BRC=23 BRC=31 20 BRC=39 40 AL3644 BRC=47 ILED1 10 BRC=55 20 BRC=63 ILED2 0 0 2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.5 0 16 32 48 64 80 96 112 128 V (V) IN Brightness Code AL3644 8 of 23 July 2019 Document number: DS41558 Rev. 1 - 2
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© Diodes Incorporated
(continued) (@TA = +25°C, VIN = 3.6V, VHWEN=VIN, CIN=2×10mF, COUT=2×10mF and L=1mH, unless otherwise specified.)
Shutdown Supply Current vs. Temperature LED Torch Current vs. Temperature
3.0 100 98 2.5 96 94 2.0 (mA) t 92 n
T
rre
C
A) u 90 1.5 m C
U
( 88 I SD rch
D
o 1.0 T 86
O
V =0V HWEN ED AL3644
R
L 84 Torch Code=0x3F=89.3mA Torch
P
0.5 I 82 LED1 ILED2
W
80 0.0
E
-40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (oC)
N
Ambient Temperature (oC)
LED Torch Current vs. Temperature LED Flash Current vs. Temperature
200 1600 1580 195 1560 190 1540 (mA) (mA) 185 t t 1520 n n rre rre u 180 1500 C 1480 sh Cu rch 175 a o l T F 1460 170 ED AL3644TT ED L L 1440 Flash Code=0x7F=1.5A Flash Torch Code=0x3F=180mA Torch I 165 ILED1 1420 LED1 I I LED2 LED2 160 1400 -40 -20 0 20 40 60 80 100 120 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (oC) Ambient Temperature (oC)
LED Torch Current vs. Brightness Code LED1 Torch Current vs. Input Voltage
100 200 90 180 80 160 70 140 60 120 (mA) (mA) ch rch 50 100 o or T T BRC=0 1 D 40 E 80 D E BRC=7 I L I L BRC=15 30 60 BRC=23 BRC=31 20 BRC=39 40 AL3644 BRC=47 ILED1 10 BRC=55 20 BRC=63 ILED2 0 0 2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.5 0 16 32 48 64 80 96 112 128 V (V) IN Brightness Code AL3644 8 of 23 July 2019 Document number: DS41558 Rev. 1 - 2
www.diodes.com
© Diodes Incorporated