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AN2333 数据表(PDF) 5 Page - STMicroelectronics

部件名 AN2333
功能描述  White LED power supply for large display backlight
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2333 数据表(HTML) 5 Page - STMicroelectronics

  AN2333 Datasheet HTML 1Page - STMicroelectronics AN2333 Datasheet HTML 2Page - STMicroelectronics AN2333 Datasheet HTML 3Page - STMicroelectronics AN2333 Datasheet HTML 4Page - STMicroelectronics AN2333 Datasheet HTML 5Page - STMicroelectronics AN2333 Datasheet HTML 6Page - STMicroelectronics AN2333 Datasheet HTML 7Page - STMicroelectronics AN2333 Datasheet HTML 8Page - STMicroelectronics AN2333 Datasheet HTML 9Page - STMicroelectronics  
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AN2333
Selection of external components
Doc ID 12202 Rev 3
5/9
Table 1.
Recommended components
Symbol
Description
Parameter
Value
Unit
Min.
Typ.
Max
D
Boost schottky diode
VRRM
40
V
VF at IF = 300 mA, TJ = 25 °C
0.5
V
IR at VR = 10 V, TJ = 25 °C
30
µA
STPS1L40M
VRRM
40
V
VF at IF = 1 A, TJ = 25 °C
0.46
V
IR at VR = 20 V, TJ = 25 °C
21
µA
RLED
Feedback LED current
regulation resistor
ILED=20mA
8
W
Cin
Input ceramic capacitor,
low ESR
Ceramic type
2.2
µF
Cout
Output ceramic
capacitor, low ESR
Capacitance
4.7
µF
Voltage
40
V
ESR
1.6
W
L
Boost inductor
(height<2mm)
Inductance
4.7
µF
DCR
1
W
IsatRSET=GND
1
A



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