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ZXLD1374 датащи(PDF) 32 Page - Diodes Incorporated

номер детали ZXLD1374
подробное описание детали  60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER
PDF  35 Pages
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производитель  DIODES [Diodes Incorporated]
домашняя страница  http://www.diodes.com
Logo DIODES - Diodes Incorporated

ZXLD1374 датащи(HTML) 32 Page - Diodes Incorporated

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ZXLD1374
ZXLD1374
Document number: DS35032 Rev. 1 - 2
Page 32 of 35
www.diodes.com
October 2010
© Diodes Incorporated
A Product Line of
Diodes Incorporated
Applications Examples
350mA Boost LED diver
In
this
application
example,
ZXLD1374 is connected as a
Boost LED driver with schematic
and parts list shown below. The
LED driver is able to deliver
350mA of LED current into 12
high brightness LED with input
voltage ranged from 16V to 28V.
Overall high efficiency of 92%+
make it ideal for applications
likes solar LED street lighting
and general LED illuminations.
Figure 55. Application circuit of 350mA Boost LED driver
Bill of Material
Ref No.
Value
Part No.
Manufacturer
U1
60V LED driver
ZXLD1374
Diodes Inc
Q1
60V MOSFET
2N7002A
Diodes Inc
D1
100V 3A Schottky
PDS3100-13
Diodes Inc
Z1
51V 410mW Zener
BZT52C51
Diodes Inc
L1
47uH 2.6A
744771147
Wurth Electronik
C1
100pF 50V
SMD 0805/0603
Generic
C3 C4
4.7uF 100V X7R
SMD1210
Generic
C2
1uF 50V X7R
SMD1206
Generic
R1 R2
300m
Ω 1%
SMD1206
Generic
R3
120k
Ω 1%
SMD 0805/0603
R4
36k
Ω 1%
SMD 0805/0603
Generic
R5
2.7k
Ω
SMD 0805/0603
Generic
Typical Performance
Efficiency vs Input Voltage
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
16
18
20
22
24
26
28
30
Input Voltage
12 LED VF=37V
15 LED VF=47V
Figure 56. Efficiency
LED Current vs Input Voltage
0
50
100
150
200
250
300
350
400
16
18
20
22
24
26
28
30
Input Voltage
12 LED VF=37V
15 LED VF=47V
Figure 57. Line regulation



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