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參數(shù)資料
| 型號： | LT303EMSE#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.55 A FLUORESCENT LIGHT CONTROLLER, PDSO10 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 211K |
| 代理商： | LT303EMSE#TRPBF |
LT3003
2
3003fa
ELECTRICAL CHARACTERISTICS
PACKAGE/ORDER INFORMATION
ABSOLUTE MAXIMUM RATINGS
VIN ............................................................................40V
LED1, LED2, LED3 ....................................................48V
VMAX, SHDN..............................................................48V
VIN – VEE ...................................................................36V
VEE ............................................................................36V
PWM.........................................................................15V
OT1, OT2.....................................................................6V
Operating Junction Temperature Range
(Notes 2, 3, 4)........................................ –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. PWM = 1V, VMAX = 4V, VIN = 3V, VEE = 0V, ILED2 = 100mA,
OT1 = OT2 = Open, SHDN = VIN.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Operational Input Voltage
VEE = 0V, ILED1,2,3 = 100mA
VEE = 4V, ILED1,2,3 = 100mA
●
336
40
V
Minimum (VIN – VEE)VEE = 0V to 36V
2.7
3
V
VIN Quiescent Current
PWM = 1V, ILED1,2,3 = 100mA
PWM = 0V, VLED1 = VLED2 = VLED3
10.5
470
600
mA
A
VIN Shutdown Current
SHDN = 0V, ILED1,2,3 = 0mA
2
4
10
A
VMAX Quiescent Current
PWM = 1V, ILED2 = 100mA
PWM = 0V, VLED1 = VLED2 = VLED3
55
20
90
300
A
nA
SHDN Pin Threshold
ILED2 = 100mA, VLED1 = VLED2 = VLED3
●
0.25
0.7
1
V
LED Current Matching
ILED2 = 350mA, VLED1 = VLED2 = VLED3
–3
0
+3
%
|LED2 – LED1|, |LED2 – LED3| LED Current
Matching with LED Pin Voltage Mismatch
ILED2 = 350mA,
(|VLED2 – VLED1| + |VLED2 – VLED3|) = 700mV
–3.5
0.5
+3.5
%
LED Pin Voltage
ILED2 = 100mA
0.7
0.8
0.9
V
LED1, LED2, LED3 Maximum Current
VLED1,2,3 < 1.5V
375
500
550
mA
LED1, LED2, LED3 Maximum Leakage Current
PWM = 0V, VLED1,2,3 = 48V
0.1
1
A
PWM Switching Threshold
ILED1,2,3 = 100mA
●
0.3
0.5
0.7
V
Turn-On Delay (PWM On to ILED On)
PWM = 0V to 1V, ILED > 50mA
2
s
VEE Pin Current in Buck Mode
PWM = 0V, VMAX = 40V, VIN = 39V, VEE = 36V
0.1
1
A
Overtemperature Sense Point (OT1, OT2)
(Note 4)
125
°C
Overtemperature Hysteresis Point
(Note 5)
–6° from Overtemp
Sense Point
°C
OT1 Pull-Down Current
OT1 = 0.3V (Note 4)
100
A
1
2
3
4
5
LED1
LED2
LED3
VMAX
VIN
10
9
8
7
6
VEE
SHDN
OT2
OT1
PWM
TOP VIEW
11
MSE PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 35°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
MSE PART MARKING
LT3003EMSE
LTCFF
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specied with wider operating temperature ranges.
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