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LT3003 数据表(PDF) 3 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) 3 Page - Linear Technology

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LT3003
3
3003fa
TYPICAL PERFORMANCE CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OT2 Pull-Down Current
OT2 = 0.3V (Note 4)
300
µA
OT1, OT2 Leakage Current
OT1 = OT2 = 5V
1
µA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3003E is guaranteed to meet performance specifications
from 0°C to 85°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls.
Note 3: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 4: Correlation to static test at TA = 25°C.
Note 5: Guaranteed by design.
ILED1,3 to ILED2 Matching
ILED (mA)
50
35
30
25
20
15
10
5
0
200
300
3003 G02
100
150
250
350
TJ = 27°C
JUNCTION TEMPERATURE (
°C)
–50
0
50
150
200
250
500
350
0
50
75
3003 G03
100
400
450
300
–25
25
100
125
10
µs AFTER PWM = 0
VIN Quiescent Current vs ILED
VEE Pin Current (Out of the Pin)
vs Temperature
VMAX Pin Current vs Temperature
VIN Shutdown Current
vs Temperature
(VLED1,2,3 – VEE) vs ILED
JUNCTION TEMPERATURE (
°C)
–50
0
1
3
4
5
10
7
0
50
75
3003 G04
2
8
9
6
–25
25
100
125
10
µs AFTER PWM = 0
JUNCTION TEMPERATURE (
°C)
–50
4
5
7
25
75
3003 G05
3
2
–25
0
50
100
125
1
0
6
SHDN = 0
JUNCTION TEMPERATURE (
°C)
–50
25
3003 G01
2.0
1.0
–25
0
50
0.5
0
3.0
2.5
1.5
75
100
125
ILED1,3 – ILED2
ILED2
ILED2 = 350mA
VLED1 = VLED2 = VLED3
ILED (mA)
1000
1050
1100
300
3003 G06
950
900
100
200
50
350
150
250
400
850
800
1150
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. PWM = 1V, VMAX = 4V, VIN = 3V, VEE = 0V, ILED2 = 100mA,
OT1 = OT2 = Open, SHDN = VIN.
TA = 25°C unless otherwise noted.
ELECTRICAL CHARACTERISTICS



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