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LX1993 Datasheet

  • LX1993

  • Microsemi Corporation [High Efficiency LED Driver]

  • MICROSEMI

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LX1993
I N T E G R A T E D
P R O D U C T S
High Efficiency LED Driver
P
RODUCTION
APPLICATION INFORMATION
(CONTINUED)
WWW .
Microsemi
.C
OM
Table 3: Factory Installed Component List for the LX1993 Evaluation Board
Quantity
1
1
2
2
1
1
1
2
1
1
1
1
4
5
Part
Reference
CR1
L1
C1, C2
C3, C4
R4
R3
R2
R6, R8
R1, R5
R7
VR1
VR2
LED1 - 4
JB1 - JB3
Description
Rectifier, Schottky, 1A, 20V, Powermite Type SMT
Inductor, 47uH, 540mA, SMT
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, 590K, 1/16W, 0603 Type SMT
Resistor, 100, 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, 20V, 1W Powermite Type SMT
White LED
Header, 3 Pos Vertical Type
Manufacturer
Microsemi
Toko
Taiyo Yuden
Murata
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Bourns
Microsemi
Microsemi
Chicago Miniature
3M
Part
Number
UPS5817
A920CY-470
CETMK325BJ475MN
GRM40X7R104M050
ERJ6ENF15R0
ERJ3EKF5903
ERJ3EKF1000
ERJ3EKF1003
ERJ3EKF1002
3352E-1-503
LX432CSC
1PMT4114
CMD333UWC
929647-09-36
5
Jumper
3M
929955-06
Note:
The minimum set of parts needed to build a working power supply are: CR1, L1, C1, C2, R2, R4, U1. Evaluation board P/L subject to change
without notice.
L1
47碌H
CR1
UPS5817
VBAT
VPOT
VCC
C1
4.7碌F
25V
C2
4.7碌F
25V
GND
VOUT
VCC
R1
10k
C3
0.1碌F
50V
CMD333UWC
IN
SHDN
ADJ
GND
SW
OUT
CMD333UWC
FB
CS
R2
100鈩?/div>
CMD333UWC
VR2
20V
1W
1PMT4114
LED4 LED3
ON
OFF
SHDN
CMD333UWC
R3
590K
R4
15鈩?/div>
VADJ
VADJ
R5 10k
VFDBK
A
PPLICATIONS
A
PPLICATIONS
VPOT
R6
100k
C4
4.7碌F
25V
R8
100K
VR1
LX432
R7
50k
Figure 4
鈥?LXE1993 Boost Evaluation Board Schematic
Copyright
漏
2000
Rev. 1.0b, 2005-03-03
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8

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