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KB4313 데이터시트(PDF) 3 Page - Kingbor Technology Co

부품명 KB4313
상세설명  High Efficiency, Constant Current 12 Watt Boost White-LED Driver
PDF  10 Pages
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제조업체  KINGBOR [Kingbor Technology Co]
홈페이지  http://www.kingbor.com
Logo KINGBOR - Kingbor Technology Co

KB4313 데이터시트(HTML) 3 Page - Kingbor Technology Co

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Values
Parameter
Symbol
Min.
Typ.
Max.
Unit
Power supply voltage
VIN
2.3
6.5
V
Operating temperature
Top
-30
+25
+85
(VIN=2.5V, Ta=+25
, unless otherwise noted)
Parameter
Symbol
Test Condition
Min.
Typ.
Max. Units
Operating V
IN Range
VIN
V
IN input Voltage
2.4
-
6.5
V
Under Voltage Thershold
UVLO
VIN falling, 100mV hysteresis
2.1
2.2
2.3
V
Switch- Off Input Current
IIN1
No Switching , FB>0.2V
-
100
120
uA
Shutdown Current
IIN3
EN=0V
-
-
1
uA
Feedback Reference
VFB
0.196
0.2
0.204
V
FB Input Bias Current
IFB
VFB =0.2V
-
-
1
uA
Over-voltage Threshold
VOVP
VOUT Rising
16
18
20
V
Over-voltage Hysteresis
2
V
OVP Leakage Current
IOVP
EN=0V
-
-
1
uA
Output Voltage Line Regulation
2.5V< V
IN <6.0V
-
0.1
-
%
Switching Frequency
fOSC
1.2
1.5
1.6
MHz
Maximum Duty
DMAX
-
90
-
%
Soft-Start charging time
tSS
0.05
0.5
ms
Switching Current Limit
ILX
VIN=3.0V,duty cycle=80% ,
-
1.4
-
A
LX ON Resistance
RLX
VIN =2.5V, ILX =900mA
-
0.3
-
LX Leakage Current
ILeakage
VLX =16V, EN=0V
-
-
1
uA
EN Input Current
IEN
EN=5V
-
-
1
uA
VIH
2.0
-
-
V
EN Input Level
VIL
-
-
0.5
V
EN low Shutdown Delay
4
ms
EN Low Cycle Time
tCYCL
Note(1)
0.05
4
ms
EN High Cycle Time
tCYCH
Note(1)
0.05
4
ms
Note(1): tCYCL and tCYCH are included rising time and falling time of PWM signal.
High Efficiency, Constant Current
3
KB4313
Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
ELECTRICAL CHARACTERISTICS
RECOMMENDED OPERATION CONDITIONS
REV: 2.0
Recommended PCB Layout
12 Watt Boost White-LED Driver



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