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STLD41 数据表(PDF) 13 Page - STMicroelectronics

部件名 STLD41
功能描述  White LED driver for mid-size LCD display backlight
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STLD41 数据表(HTML) 13 Page - STMicroelectronics

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STLD41
Typical performance characteristics
Doc ID 022283 Rev 5
13/19
8
Typical performance characteristics
Figure 7.
Eff. vs. VIN, 6 x 6 LEDs, VOUT = 24 V Figure 8.
Eff. vs. VIN, 5 x 7 LEDs, VOUT = 27 V
Figure 9.
Eff. vs. VIN, matrix 4 x 9 LEDs,
VOUT = 33 V
Figure 10.
Application eff. vs. VIN, matrix 4 x
10 LEDs
Figure 11.
Output current regulation at 4 x 10
LEDs
Figure 12.
VFB vs. PWM 25 kHz, VIN = 5.5 V,
IOUTset = 120 mA
50
55
60
65
70
75
80
85
90
95
100
567
8
9
10111213
14
15
16
17
18
19
20
21
22
VIN [V]
IOUT=120m
IOUT=81mA
IOUT=66mA
IOUT=51mA
IOUT=35mA
IOUT=25mA
IOUT=15mA
50
55
60
65
70
75
80
85
90
95
100
567
8
910
11
12
13
14
15
16
17
18
19
20
21
22
VIN [V]
IOUT=120mA
IOUT=81mA
IOUT=66mA
IOUT=51mA
IOUT=35mA
IOUT=25mA
IOUT=15mA
50
55
60
65
70
75
80
85
90
95
100
567
8
9
10111213
14
15
16
17
18
19
20
21
22
VIN [V]
IOUT=120mA
IOUT=81mA
IOUT=66mA
IOUT=51mA
IOUT=35mA
IOUT=25mA
IOUT=15mA
50
55
60
65
70
75
80
85
90
95
2
3
456
7
8
910 11 12 13 14 15 16 17 18 19 20 21 22
VIN [V]
0
200
400
600
800
1000
1200
IOUT=120mA
IOUT=78mA
IOUT=25mA
IIN@120mA
IIN@78mA
IIN@25mA
10
20
30
40
50
60
70
80
90
100
110
120
130
140
2
3
45
67
8
910 11 12 13 14 15 16 17 18 19 20 21 22
VIN [V]
120mA / Rsense=1R3
100mA / Rsense=1R6
50mA / Rsense=3R3
20mA / Rsense=8R2
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
010
20
30
40506070
8090
100
DC [%]



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