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參數(shù)資料
| 型號(hào)： | SC635 |
| 廠商： | Semtech Corporation |
| 英文描述： | Charge Pump Flash LED Driver |
| 中文描述： | 電荷泵閃光LED驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 357K |
| 代理商： | SC635 |
2
2005SemtechCorp.
www.semtech.com
POWER MANAGEMENT
AbsoluteMaximumRatings
Exceedingthespecificationsbelowmayresultinpermanentdamagetothedeviceordevicemalfunction.Operationoutsideoftheparametersspecifiedinthe
ElectricalCharacteristicssectionisnotimplied.
SC635
Unlessotherwisespecified:TA=25°CforTYP,-40°Cto+60°CforMINandMAX;
C
BUCKET
=C
OUT
=1.0μF(ESR<0.1Ω);C
IN
=10.0μF;V
VIN
=3.0Vto5.25V;V
VOUT
=2.8Vto4.25V;R
SET
=0.5Ω(0.1%).
(1)Calculatedfrompackageinstillair,mountedto3”x4.5”,4layerFR4PCBwiththermalviasundertheexposedpadasperJESD51standards.
(2)TestedaccordingtoJEDECstandardJESD22-A114-B.
Parameter
Symbol
Maximum
Units
Input Supply Voltage
V
VIN
-0.3 to +6.5
V
Output Voltage
V
VOUT
-0.3 to +6.5
V
Pin Voltage - FLASH, CTRL, ISET, C1-, C2-
-0.3 to V
VIN
+ 0.3
V
Pin Voltage - C1+, C2+
-0.3 to V
VOUT
+ 0.3
V
Thermal Resistance, Junction to Ambient
(JESD51 Standard Method)
(1)
q
JA
49
°C/W
VOUT Short Circuit Duration
SC
Indefinite
s
Operating Ambient Temperature Range
T
A
-40 to +85
°C
Junction Temperature Range
T
J
-40 to +150
°C
Storage Temperature Range
T
STG
-60 to +150
°C
Peak IR Flow Temperature
T
LEAD
260
°C
ESD Protection Level
(2)
V
ESD
2
kV
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Current
I
OUT
FLASH high, R
= 1.25
W
3.3V < V
VIN
< 4.2V
2.8V < V
VOUT
= 4.25V
FLASH low, CTRL high, R
= 1.25
W
3.0V < V
VIN
< 4.5V
2.8V < V
VOUT
< 4.5V
FLASH high, R
= 1.25
W
3.3V < V
VIN
< 4.2V
2.8V < V
VOUT
< 4.25V
FLASH low, CTRL high, R
= 1.25
W
3.0V < V
VIN
< 4.5V
2.8V < V
VOUT
< 4.5V
184
200
216
mA
68
80
92
ISET Reference Voltage
V
ISET
230
250
270
mV
85
100
115
Quiescent Current
I
Q
FLASH high
3.4
5.0
mA
FLASH low, CTRL high
2.0
4.5
mA
FLASH low, CTRL low
0.1
2.0
μA
ElectricalCharacteristics
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