ZXLD1374(2010) Просмотр технического описания (PDF) - Diodes Incorporated.
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Компоненты Описание
производитель
ZXLD1374
(Rev.:2010)
(Rev.:2010)
Diodes Incorporated.
ZXLD1374 Datasheet PDF : 35 Pages
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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.
A Product Line of
Diodes Incorporated
ZXLD1374
Bill of Material
Ref No.
Value
Figure 55. Application circuit of 350mA Boost LED driver
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
300mΩ 1%
SMD1206
Generic
R3
120kΩ 1%
SMD 0805/0603
R4
36kΩ 1%
SMD 0805/0603
Generic
R5
Typical Performance
2.7kΩ
SMD 0805/0603
Generic
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
16
Efficiency vs Input Voltage
12 LED VF=37V
15 LED VF=47V
18
20
22
24
26
28
30
Input Voltage
400
350
300
250
200
150
100
50
0
16
LED Current vs Input Voltage
12 LED VF=37V
15 LED VF=47V
18
20
22
24
26
28
30
Input Voltage
Figure 56. Efficiency
Figure 57. Line regulation
ZXLD1374
Document number: DS35032 Rev. 1 - 2
Page 32 of 35
www.diodes.com
October 2010
© Diodes Incorporated
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