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AX2012 数据表(PDF) 5 Page - AXElite technology co. ltd

部件名 AX2012
功能描述  1.9A Fixed Frequency White LED Driver
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AXELITE [AXElite technology co. ltd]
网页  http://www.axelite.com.tw/
标志 AXELITE - AXElite technology co. ltd

AX2012 数据表(HTML) 5 Page - AXElite technology co. ltd

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Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.4 Sep.27, 2019
AX2012
APPLICATION CIRCUIT
(1) 8 series LED application
VIN=5V
C1
4.7uF
L1
4.7uH
U1
AX2012
4
6
5
1
VCC
EN
OV
GND
SW
C2
1uF
D1
B240A
ILED= VFB/R3, VFB=300mV
ON
OFF
2
FB
R3
3
8-WLEDs
C3
R4
R5
When L1 inductance is greater than 4.7uH please increase C3, R4 and R5 fine-tune output
stability.
(2) LED Dimming application
VIN=5V
C1
4.7uF
L1
4.7uH
U1
AX2012
4
6
5
1
VCC
EN
OV
GND
SW
C2
1uF
D1
B240A
ILED= VFB/R3, VFB=300mV
200~200KHz
2
FB
R3
3
8-WLEDs
Dimming
C3
R4
R5
When L1 inductance is greater than 4.7uH please increase C3, R4 and R5 fine-tune output
stability.



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