DC1319B-A Linear Technology, DC1319B-A Datasheet - Page 20

• Manufacturer Part Number: DC1319B-A
• Description: BOARD EVAL LED DRIVER LT3756
• Manufacturer: Linear Technology

Specifications of DC1319B-A

• Current - Output / Channel: 500mA
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 100V
• Features: Dimmable
• Voltage - Input: 8 ~ 80V
• Utilized Ic / Part: LT3756
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DC1319A-A; DC1319A-A

LT3756/LT3756-1/LT3756-2
Typical applicaTions
0
9V TO
65V
8V TO
V
L1: COILCRAFT MSD1278T-333
M1: VISHAY SILICONIX Si7430DP
D1: ON SEMICONDUCTOR MBRS3200T
M2: ZETEX ZXM61N03F
IN
80V
V
IN
0.01µF
C1
4.7µF
C1
4.7µF
100V
INTV
INTV
L1: COILCRAFT MSS1038-683
D1: ON SEMICONDUCTOR MBRS3100T3
M1: VISHAY SILICONIX Si2328DS
M2: ZETEX ZXM6IP03F
Q1: ZETEX FMMT493
185k
CC
100k
1M
0.1µF
185k
CC
100k
1M
28.7k
400kHz
35.7k
300kHz
4700pF
Buck-Boost Mode LED Driver
90% Efficient, 20W SEPIC LED Driver
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
RT
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
RT
V
REF
REF
C
V
30k
C
0.001µF
39k
LT3756-2
LT3756-2
GND
V
V
GND
IN
IN
PWMOUT
PWMOUT
INTV
INTV
SENSE
SENSE
GATE
GATE
ISN
ISP
ISP
ISN
68µH
FB
CC
FB
CC
L1
C2
2.2µF
10V
C2
4.7µF
10V
33µH
L1A
1:1
M1
25k
0.068
D1
M2
511k
V
IN
1
M1
0.033
1µF
C4
24V TO 32V
LED STRING
100mA
1µF
100V
Q1
1.5k
1k
375612 TA03a
L1B
D1
0.1
1M
13k
V
IN
M2
375612 TA04a
1A
C3
4.7µF
V
20W
LED
STRING
OUT
C3
10µF
35V
2
100
100
90
80
70
60
50
84
80
96
92
88
0
0
20
20
Efficiency vs V
Efficiency vs V
V
V
IN
IN
40
40
(V)
(V)
IN
IN
60
60
375612 TA03b
375612 TA04b
375612fb
80
80