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LT3003 数据表(PDF) 14 Page - Linear Technology

部件名 LT3003
功能描述  3-Channel LED Ballaster with PWM
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT3003 数据表(HTML) 14 Page - Linear Technology

Back Button LT3003 Datasheet HTML 8Page - Linear Technology LT3003 Datasheet HTML 9Page - Linear Technology LT3003 Datasheet HTML 10Page - Linear Technology LT3003 Datasheet HTML 11Page - Linear Technology LT3003 Datasheet HTML 12Page - Linear Technology LT3003 Datasheet HTML 13Page - Linear Technology LT3003 Datasheet HTML 14Page - Linear Technology LT3003 Datasheet HTML 15Page - Linear Technology LT3003 Datasheet HTML 16Page - Linear Technology  
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background image
LT3003
14
3003fa
1A Buck LT3003 with the LT3475
Efficiency
LT3003
GND
20V
LED1
LED2
LED3
VMAX
VIN
VEE
SHDN
OT2
OT1
PWM
PWM1
100Hz
2000:1 MAX PWM
DIMMING RATIO
LED1
LED4
LED7
LED2
330mA PER STRING
3S 3P LUXEON I WHITE
LED5
LED8
LED3
LED6
LED9
C3
1
µF
50V
VIN
56
16
11
20
8
10
7
3
1
4
R1
20k
VIN
SHDN
PWM1
PWM2
BOOST1
OUT1
17
REF
SW1
LED1
D1
1N4448W
D2
B240A
C1
0.22
µF
X5R
R4
1.0k
L1
10
µH
SUMIDA
BOOST2
OUT2
SW2
9
2
GND
GND
RT
LT3475
LED2
SECOND
CHANNEL
ONE OF TWO
CHANNELS SHOWN
R8
2.0k
12
19
VADJ1
VADJ2
R10
10k
R12
11.8k
1%
R13
1.0M
C7
220pF
Q3
2N7002
C5
0.1
µF
C3
3300pF
COUT1
2.2
µF
16V
CIN1
4.7
µF
50V
13
15
14
21
fSW = 1MHz
3003 TA06a
18
VC1
VC2
VIN
24V
TOTAL LED CURRENT (A)
0
50
65
70
80
0.2
0.4
0.6
0.8
3003 TA06b
1.0
90
100
55
65
75
85
95
1.2
TYPICAL APPLICATIONS



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