DC1319B-A Linear Technology, DC1319B-A Datasheet - Page 19

• 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

Typical applicaTions
(100V TRANSIENT)
V
IN
8V TO 60V
C
4.7µF
IN
30W White LED Headlamp Driver with Thermal Derating
INTV
0.01µF
CC
100k
R1
1M
R2
185k
120
100
C
80
60
40
20
SS
0
V
25
(ISP – ISN)
M1: VISHAY SILICONIX Si7454DP
D1: DIODES INC PDS5100
L1: COILTRONICS DR127-220
RT1: MURATA NCP18WM104J
M2: VISHAY SILICONIX Si2328DS
16.9k
375kHz
100k
NTC
RT1
28.7k
R
for NTC Resistor Divider
45
T
SHDN/UVLO
V
CTRL
OPENLED
PWM
SS
RT
REF
TEMPERATURE (°C)
Threshold vs Temperature
V
C
C
0.001µF
R
10k
65
C
LT3756-2
C
V
GND
IN
PWMOUT
85
INTV
SENSE
L1, 22µH
GATE
ISN
ISP
FB
CC
LT3756/LT3756-1/LT3756-2
C
4.7µF
105
VCC
375512 TA02b
SEE SUGGESTED LAYOUT, FIGURE 5
M1
R
0.018
125
SENSE
0.27
D1
R
LED
370mA
30W LED STRING
R3
1M
R4
14k
M2
375612 TA02a
C
4.7µF
OUT

375612fb