LX1992
High Efficiency LED Driver
L I N F I N I T Y D I V I S I O N
PRODUCTION
APPLICATION INFORMATION (CONTINUED)
Table 3: Factory Installed Component List for the LX1992 Evaluation Board
Part
Reference
Part
Number
Quantity
Description
Manufacturer
1
1
1
2
2
1
1
1
2
1
1
1
1
4
3
3
Q1
Mosfet, N-Channel, 25V, SOT23 Type SMT
Rectifier, Schottky, 1A, 20V, Powermite Type SMT
Inductor, 47uH, 540mA, SMT
Fairchild
Microsemi
Toko
FDV303N
CR1
UPS5817
L1
A920CY-470
C1, C2
C3, C4
R4
Capacitor, Ceramic X5R, 4.7uF, 25V, 1210 Type SMT
Capacitor, Ceramic X7R, 0.1uF, 50V, 0805 Type SMT
Resistor, 15 Ohm, 1/10W, 0805 Type SMT
Resistor, 1K, 1/16W, 0603 Type SMT
Resistor, 4.02K, 1/16W, 0603 Type SMT
Resistor, 100K, 1/16W, 0603 Type SMT
Resistor, 10K, 1/16W, 0603 Type SMT
Trimpot, 50K, 1/2W, Through Hole Type
IC, Voltage Reference, 1.25 Volts, SOT23 Type SMT
Diode, Zener, 24V, 3W Powermite Type SMT
White LED
Taiyo Yuden
Murata
CETMK325BJ475MN
GRM40X7R104M050
ERJ6ENF15R0
ERJ3EKF1001
ERJ3EKF4021
ERJ3EKF1003
ERJ3EKF1002
3352E-1-503
LX432CSC
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Bourns
R5
R2
R3, R6
R1
R7
VR1
Microsemi
Microsemi
Chicago Miniature
3M
VR2
1PMT5934B
LED1 - 4
JB1 - JB3
CMD333UWC
929647-09-36
929955-06
Header, 3 Pos Vertical Type
Jumper
3M
Note: The minimum set of parts needed to build a working power supply are: Q1, CR1, L1, C2, C3, R2, R4, U1.
CR1
UPS5817
L1
47µH
VBAT
GND
C2
4.7µF
25V
C1
4.7µF
25V
VPOT
VCC
VOUT
Q1
FDV303N
CMD333UW C
CMD333UW C
C3
0.1µF
50V
SRC
NDRV
VR2
VCC
20V
GN
D
IN
FB
1W
1PMT4114
R1
10k
CS
R2
4.02k
ADJ
SHDN
CMD333UW C
CMD333UW C
SHDN
VADJ
R3
100k
VFDBK
R4
15Ω
VADJ
R5 1k
C4
0.1µF
25V
VPOT
R6
100k
VR1
LX432
R7
50k
Figure 4 – LXE1992 Boost Evaluation Board Schematic
Copyright 2000
Microsemi
Page 8
Rev. 1.1, 2002-11-21
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
ETC [ ETC ]
