DC1315A

QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1315
DUAL STEP-DOWN 1.5A LED DRIVER
4
23V
U1
LT3475EFE-1
6
5
1 6
2 1
20
3
1
4
2
17
19
1 8
11
8
10
7
9
12
1 3
1 5
1 4
V IN
V IN
SH DN
GN D
PW M 1
BOOST1
OU T1
SW 1
LED1
REF
VADJ1
V C 1
PW M 2
BOOST2
OU T2
SW 2
LED2
VADJ2
V C 2
GN D
RT
E2
VIN
L1 47uH
E11
LED2-
Q3
OPT
2N7002
R13
1.0M
OPT
E5
PWM2
E1
SH DN
D1
1N4448W
C7
220pF
O PT
R19
1k 1%
UP TO 36V
D2
1N4448W
E7
GND
C4
0.1uF
C2
0.22uF
25V
D8
22V
Q2
OPT
Si2318DS
1.5A
D6
9.1V
COUT1
2.2uF
50V
VC2
Q4
MMBT3904
1
32
R18
100k
R9
OPT
23V
REF
600kHz
R5
OPT
R6
OPT
R15
100k
R16
10k
VC1
R3
0
E8
LED1-
E3
GND
EXTENDED DIMMING RANGE
Q1
OPT
Si2318DS
R14
OPT
Q5
FMMT3904
1
32
OPTIONAL
D5
9.1V
D3
B240A
R2
0
COUT2
2.2uF
50V
VC2
R20
1k 1%
E6
GND
VC1
D4
B240A
R4
OPT
CIN1
4.7uF
50V
R17
10k
D7
22V
E10
LED2+
UP TO
1.5A
R7
OPT
L2 47uH
UP TO
R12
24.3k 1%
E4
PWM1
R8
OPT
C3
0.1uF
REF
E9
LED1+
R1
20k
C1
0.22uF
25V

DC1315A

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
LED Lighting Development Tools LT3475IFE-1 - Dual Step-Down 1.5A LED Dr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet