DC484A - Schematic

5
4
3
2
1
Vin
2.7V - 5V
D
D
3
E1
JP1
2
VIN
BATTERY
D1
L1
22uH
Vout Test
E3
1
CMDSH-3
LED1
SW1
LED2
ON/OFF
C
5
1
Vin
SW
12mA
LED3
U1
LT1937ES5
C
LED4
B1
BATTERY
+
C1
1uF
6.3V
R2
WHITE
4
SHDN
100K
FB
3
C2
0.22uF
16V
GND
2
R1
7.5
1%
E5
SHDN
B
B
GND
GND
E2
E4
CONTRACT NO.
APPROVALS
DRAWN
DATE
June Wu
11/27/01
TECHNOLOGY
TITLE
CHECKED
LT1937ES5, SINGLE CELL WHITE LED DRIVER
APPROVED
A
ENGINEER
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
David Chen 11/27/01
DESIGNER
SIZE CAGE CODE
DWG NO
REV
A
DEMO DC484A
Friday, December 14, 2001
5
4
3
SCALE:
FILENAME:
2
SHEET
A
1
OF
1
1
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