DC637A - Schematic

1
2
3
4
7
Size
C2
2.2uF
6.3V
3
1
JP2
Circuit
1
Battery
Efficiency
2
5
VIN
2
R1
100K
5%
BT1
BATTERY
3
GND
CTRL
E3
A
D2
LED (White)
FB
CTRL
4
E2
D1
LED (White)
C1
0.47uF
16V
VOUT
2
SW1
On/Off
6
Vin
8
Vout Test
12V - 16V
SW
JP1
Input
1
3
E1
B
6
L1
22uH
LQH32CN220
Vin
2.7V - 5V
A
5
D3
LED (White)
U1
LT3465ES6
+
D4
LED (White)
R2
13.3
1%
Gnd
Gnd
L2
22uH
LB2012B220M or LQH2M220
SW
C
C4
2.2uF
6.3V
5
VIN
FB
4
CTRL
2
R3
100K
5%
C
3
GND
CTRL
E6
C3
0.47uF
16V
VOUT
6
SW2
On/Off
E5
1
E4
B
U2
LT3465AES6
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 954-8400 FAX (408) 434-0507
D
Title
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
1
2
3
4
5
D
Single Cell White LED Driver
Size
A
Document Number
Date:
Friday, January 24, 2003
DC637A
6
LT3465ES6/LT3465AES6
Sheet
7
1
Rev
1 of
8