參數(shù)資料
型號: LX1882-00CDU
英文描述: Charge Pump
中文描述: 電荷泵
文件頁數(shù): 9/13頁
文件大?。?/td> 309K
代理商: LX1882-00CDU
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9
Copyright
2000
Rev. 1.0c, 2002-08-01
W
M
.
C
LX1882
Charge Pump Doubler with Linear Regulator
P
RODUCTION
D
ATA
S
HEET
I N T E G R A T E D P R O D U C T S
E V A L U A T I O N B O A R D
( C O N T I N U E D )
Table 3: Factory Installed Component List for the LX1882 Evaluation Board
Part
Reference
C1
Capacitor, Ceramic, 0.22uF, 16V, 10%, 0805 Type SMT
Quantity
Description
Manufacturer
Part
Number
ECJ2VB1C224K
1
Panasonic
3
C2 - C4
Capacitor, Ceramic X5R, 4.7uF, 25V, 1210 Type SMT
Taiyo Yuden
CETMK325BJ475MN
4
D1 - 4
White LED
Chicago Miniature
CMD333UWC
3
J1 – J3
Terminal Battery Clip, Positive Button, AA Contacts
Keystone
596
3
J4 – J6
Terminal Battery Clip, Negative Button, AA Contacts
Keystone
590
1
P2
Header, 2-Pin
Molex
42375-2
1
R1
Resistor, 46.4K, 1/10W,1%, 0805 Type SMT
Panasonic
ERJ6EKF4642
1
R2
Resistor, 14.3K, 1/10W,1%, 0805 Type SMT
Panasonic
ERJ6EKF1432
4
R3 - R6
Resistor, 30.1, 1/10W,1%, 0805 Type SMT
Panasonic
ERJ6EKF30R1
1
R8
Resistor, 10.0K, 1/10W,1%, 0805 Type SMT
Panasonic
ERJ6EKF1002
2
S1, S2
Switch, SPDT, 1 position, SMT DIP Type
CTS
204-121ST
9
TP1 – TP9
Terminal, Surface Mount, Compact Style Test Point
Keystone
5016
1
U1
IC, LX1882 Charge Pump Doubler with Linear Regulator
Microsemi
LX1882-00CDM
FB
GND
GND
GND
GND
C2
4.7μF
25V
VOUT
SHDN
CPO
GND
VIN
SHDN
FB
VOUT
C+
C4
0.1μF
25V
R3
30.1
C-
R2
14.3k
R1
46.4K
R8
10.0k
C1
0.22μF
16V
C3
4.7μF
25V
External VCC
+
-
J2
J1
"AA" Battery
J3
"AA" Battery
"AA" Battery
R4
30.1
R5
30.1
R6
30.1
D1
D2
D3
D4
S1
S2
CPO
VIN
V
SET
V
FB
V
OUT
= V
FB
[1+(R
1
/R
2
) - V
SET
(R
1
/R
2
); where V
SET
= I
LED
(R
3
), V
FB
= 1.175V
I
LED
VBAT
EXT
ENABLE
DISABLE
Figure 6
– LX1882-00 Evaluation Board Schematic; LED Driver Application
E
V
A
L
U
A
T
I
O
N
B
O
A
R
D
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