DC1199A - Schematic

1
C4
0.47uF
50V
C5
0.47uF
50V
C6
0.47uF
50V
C7
0.47uF
50V
C8
0.47uF
50V
C9
0.47uF
50V
C10
0.47uF
50V
C11
0.47uF
50V
C12
0.47uF
50V
C13
0.47uF
50V
C14
0.47uF
50V
C15
0.47uF
50V
C16
0.47uF
50V
D1
LED
D2
LED
D3
LED
D4
LED
D5
LED
D6
LED
D7
LED
D8
LED
D9
LED
D10
LED
D11
LED
D12
LED
D13
LED
D14
LED
D15
LED
D16
LED
D17
LED
D18
LED
D19
LED
D20
LED
D21
LED
D22
LED
D23
LED
D24
LED
D25
LED
D26
LED
D27
LED
D28
LED
D29
LED
D30
LED
D31
LED
D32
LED
D33
LED
D34
LED
D35
LED
D36
LED
D37
LED
D38
LED
D39
LED
D40
LED
D41
LED
D42
LED
D43
LED
D44
LED
D45
LED
D46
LED
D47
LED
D48
LED
L1
100uH
L2
100uH
L3
100uH
L4
100uH
L5
100uH
L6
100uH
L7
100uH
L8
100uH
L9
100uH
L10
100uH
L11
100uH
L12
100uH
L13
100uH
L14
100uH
L15
100uH
L16
100uH
C18
10uF
6.3V
SW16
1
L16
2
3
L15
7
4
SW15
SW14
L14
6
9
L13
8
SW13
10
L12
11
SW12
12
L11
13
SW11
16
L10
15
SW10
18
L9
17
SW9
29
L8
30
SW8
31
L7
32
SW7
35
L6
34
SW6
37
L5
36
SW5
38
L4
39
SW4
40
L3
41
SW3
43
44
L2
R3
49.9k
30mA
PWM16
56
PWM15
55
PWM14
54
53
PWM13
PWM12
22
PWM11
21
PWM10
20
PWM9
19
PWM8
28
PWM7
27
PWM6
PWM1
GND
47
E5
PWM5
VCC
26
52
57
R2
100k
51
R1
51k
PWM4
OPENLED
VCC
25
SHDN
23
PWM3
24
B
EXPOSED PAD, SOLDER SIDE
50
NC
NC
49
42
33
PWM2
VIN
VIN
48
E4
14
5
SW2
SW1
E3
VCC
5V
8
A
B
SHDN
7
C3
0.47uF
50V
E2
OPENLED
6
C2
0.47uF
50V
RSET
GND
5
C1
0.47uF
50V
45
A
4
45V
C17
10uF
50V
46
E1
15V-45V
3
L1
VIN
2
U1
LT3595EUHH
C
C
J1
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
TSW-120-09-S-D-RA
D
1
2
PWM1
PWM9
PWM2
PWM10
PWM3
PWM11
PWM4
PWM12
PWM5
PWM13
PWM6
PWM14
PWM7
PWM15
PWM8
PWM16
3
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
Customer Notice
4
5
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.
This Circuit Is Proprietary To Linear Technology And
Supplied For Use With Linear Technology Parts.
6
D
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 954-8400 FAX (408) 434-0507
Title
16-Channel Buck Mode LED Driver
Size
Document Number
Date:
Monday, December 04, 2006
DC1199A
7
Rev
LT3595EUHH
Sheet
1
of
8
A
2
A
uVIN
6-12V
D
E
1
2
3
C22
0.1uF
50V
V+
OUT
5
GND
SET DIV
R12
4.99K
1%
PGD/RB7
PGC/RB6
RB5
RB4
RB3
RB2
RB1
INT/RB0
17
16
15
14
11
10
9
8
RX/RC7
TX/RC6
MOSI/RC5
MISO/RC4
SCK/RC3
RC2
RC1
RC0
1
44
43
42
37
36
35
32
RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
5
4
3
2
41
40
39
38
30
OSCIN
31
OSCOUT
4
R13
0
18
MCLR
27
RE2/CS
26
RE1/WR
25
RE0/RD
6
VSS
3
24
23
22
21
20
19
E
6
4
2
F0 1 2
R6A
4.99K
R6B
4.99K
S1
PATTERN
R6C
4.99K
R6D
4.99K
VCC
C21
0.1uF
50V
2
3
4
5
6
7
8
9
11
1
1D
2D
3D
4D
5D
6D
7D
8D
CLK
OC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
ENABLED
DISABLED
0 = OFF - all 16 channels
1 = Linear gradient
11
1
2 = Logarithmic gradient
VCC
2
3
4
5
6
7
8
9
1D
2D
3D
4D
5D
6D
7D
8D
CLK
OC
10
3 = Logarithmic scroll
4 = 1000:1 100Hz PWM - all 16 channels
5 = 100:1 1kHz PWM - all 16 channels
PWM5
PWM6
PWM7
PWM8
R11A
100
R11B
100
R11C
100
R11D
100
R12A
100
R12B
100
R12C
100
R12D
100
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
19
18
17
16
15
14
13
12
2
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
PWM16
U5
MM74HC574MTC
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
6 = Fade from 0 to 1 in 1000:1 increments 100Hz PWM
E = ON - all 16 channels
F = FLOAT - drive PWM pins by external source on J1
B
C
1
LINEAR TECHNOLOGY CORPORATION
Customer Notice
7-D = No program
A
PWM4
3
20
C23
0.1uF
50V
PATTERN SELECT FOR S1:
1
PWM3
19
18
17
16
15
14
13
12
VCC
VCC
GND
2
PWM2
R3A
(Opt.)
R3B
(Opt.)
R3C
(Opt.)
R3D
(Opt.)
R4A
(Opt.)
R4B
(Opt.)
R4C
(Opt.)
R4D
(Opt.)
JP1
HEADER
5
3
1
PWM1
U4
MM74HC574MTC
U2
PIC16LF877A-I/PT
6
4
2
4
R9A
100
R9B
100
R9C
100
R9D
100
R10A
100
R10B
100
R10C
100
R10D
100
20
E7
SS/RA5
RA4
RA3
RA2
RA1
RA0
5
3
1
R4
49.9K
VCC
U3
LTC1799CS5
J2
PIC PROG
R5
1K
GND
C20
0.1uF
50V
10
C19
0.1uF
50V
C
C25
4.7uF
6.3V
R1A
(Opt.)
R1B
(Opt.)
R1C
(Opt.)
R1D
(Opt.)
R2A
(Opt.)
R2B
(Opt.)
R2C
(Opt.)
R2D
(Opt.)
2
1
4
8
4
BYP
7
SHDN
28
3
VDD
5
VDD
OUT
VSS
GND
IN
29
4
1
GND
C24
2.2uF
16V
C
U6
LT1761ES5-5
2
E6
B
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.
This Circuit Is Proprietary To Linear Technology And
Supplied For Use With Linear Technology Parts.
D
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
PHONE (408) 954-8400 FAX (408) 434-0507
Title
16-Channel Buck Mode LED Driver
Size
Document Number
Date:
Monday, December 04, 2006
DC1199A
Rev
LT3595EUHH
Sheet
E
2
of
A
2
Similar pages