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LT3003 数据表(PDF) 5 Page - Linear Technology

部件名 LT3003
功能描述  Full-Featured LED Driver with 1.5A Switch Current
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT3003 数据表(HTML) 5 Page - Linear Technology

  LT3003 Datasheet HTML 1Page - Linear Technology LT3003 Datasheet HTML 2Page - Linear Technology LT3003 Datasheet HTML 3Page - Linear Technology LT3003 Datasheet HTML 4Page - Linear Technology LT3003 Datasheet HTML 5Page - Linear Technology LT3003 Datasheet HTML 6Page - Linear Technology LT3003 Datasheet HTML 7Page - Linear Technology LT3003 Datasheet HTML 8Page - Linear Technology LT3003 Datasheet HTML 9Page - Linear Technology Next Button
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background image
LT3517
5
3517ff
VISP – VISN Threshold
vs Temperature
Switch Current Limit
vs Temperature
Oscillator Frequency
vs Temperature
Reference Voltage
vs Temperature
Quiescent Current vs VIN
TEMPERATURE (°C)
–40
103
20
3517 G04
100
98
–20 0
40
97
96
104
102
101
99
60 80 100 120 140 160
VIN = 5V
VISP = 24V
VC = 1V
VCTRL = 2V
TEMPERATURE (°C)
–40 –20
1.5
1.9
2.5
0
40 60
3517 G06
1.7
2.3
2.1
20
80
160
100 120 140
VIN = 5V
RT = 6.04k
VISP (V)
0
101
103
105
40
3517 G07
99
97
100
102
104
98
96
95
10
20
30
50
VCTRL = 2V
VIN = 5V
TA = 25°C
VC = 1V
TEMPERATURE (°C)
–40
1.98
1.99
2.00
2.01
2.02
–20 0
20 40
3517 G08
60 80 100 120 140 160
VIN = 5V
VIN (V)
0
4
5
6
40
3517 G09
3
2
0
10
20
30
1
8
7
TA = 25°C
VC = 0V
VISP – VISN Threshold vs VISP
TYPICAL PERFORMANCE CHARACTERISTICS
FB Pin Threshold vs Temperature
PMOS Turn-On
PMOS Turn-Off
TEMPERATURE (°C)
–40
0.98
1.00
0.99
1.01
1.03
1.02
1.04
–20 0
20 40
3517 G10
60 80
140 160
100 120
VIN = 5V
5V
PWM
0V
40V
TG
30V
200ns/DIV
VISP = 40V
3517 G11
5V
PWM
0V
40V
TG
30V
200ns/DIV
VISP = 40V
3517 G11
TEMPERATURE (°C)
–40 –20
0
1.0
2.5
0
40 60
3518 G05
0.5
2.0
1.5
20
80 100 120 140 160
VIN = 5V



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