DC2361A - Schematic

5
4
3
2
OUT
FB1
MPZ2012S101A
R6
R7
499k
EN / UVLO
R10
OPT
C2
1uF
50V
0805
7
8
E8
9
R11
OPT
R8
71.5k
VIN
4
EEHZA1H330XP
FB
E9
23
17
CTRL
R12
100k
INTVCC
R13
100k
1SN
CTRL
TG
VREF
PWM
OPENLED
26
25
20
OFF
GND
C3
0.1uF
R5
40.2k
2MHz
GND
GND
GND
GND
VC
SS
SYNC
C13
OPT
R22
OPT
C5
2.2uF
15
DIM
OPTIONAL FOR BUCK MODE OR BUCK-BOOST MODE
E15
R23
OPT
B
OUT
R4
10k
C4
1nF
E14
VREF
29
6
28
5
SPREAD
1
4
DIM
SYNC/SPRD
12
2
3
PWM
10
SHORTLED
INTVCC
1
INTVCC
13
11
JP1
C
R18
0
RT
E12
E13
27
INTVCC
21
SYNC/SPRD
B
IVINCOMP
14
E11
GND
ISMON
19
OPENLED
E6
R2
1M
0603
16
C11
OPT
22
SHORTLED
D2
ES1B
VREF
18
R14
100k
LED+
330mA
E5
R3
26.7k
C7
0.47uF
R15
OPT
R16
OPT
3
OVLO
ISP
24
E10
C6
4.7uF
50V
1206
D
R9
25.5k
C
ISMON
2
0.75
1206
FB
U1
LT3952EFE
EN/UVLO
R1
PMEG6010CEH
3
E3
M1
Si2309CDS
OUT
D1
SW
R17
OPT
0603
C1
10uF
50V
1206
OPT
1206
0.015
1206
5
GND
C8
33uF
50V
IVINN
+
6
E2
IVINP
PVIN
8V - 28V
E7
1
L1
2.2uH
74437324022
PVIN
2
C10
OPT
1206
SW
C9
0.1uF
E1
36V TRANSIENT
D
C12
SW
EMI VIN
8V - 28V
1
R21
OPT
R20
OPT
PVIN
Q1
OPT
SOT23
R19
E4
OPT
FB
NOTE: UNLESS OTHERWISE SPECIFIED
CUSTOMER NOTICE
1. ALL RESISTORS ARE 0402.
ALL CAPACITORS ARE 0402.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
TECHNOLOGY
TITLE: SCHEMATIC
2MHz 60V LED DRIVER WITH INTERNAL 4A SWITCH
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
N/A
DATE:
IC NO.
REV.
LT3952EFE
DC2361A
3
SHEET
Thursday, May 07, 2015
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OF
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