LT3755IUD-1#TRPBF Linear Technology, LT3755IUD-1#TRPBF Datasheet - Page 18

• Manufacturer Part Number: LT3755IUD-1#TRPBF
• Description: IC LED DRVR HP CONST CURR 16-QFN
• Manufacturer: Linear Technology
• Type: High Power, Constant Currentr

Specifications of LT3755IUD-1#TRPBF

• Constant Current: Yes
• Constant Voltage: Yes
• Topology: Flyback, Low Side, PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: White LED
• Frequency: 100kHz ~ 1MHz
• Voltage - Supply: 4.5 V ~ 40 V
• Voltage - Output: 75V
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -

applicaTions inForMaTion
LT3755/LT3755-1/LT3755-2

V
IN
C
IN
GND
L1
Figure 5. Boost Converter Suggested Layout
5
6
7
8
COMPONENT DESIGNATIONS REFER TO “50W WHITE LED HEADLAMP DRIVER” SCHEMATIC
D1
CV
C
M1
R
R2
R1
SS
T
CC
5
6
7
8
4
9
4
3
2
1
10 11 12
3
2
1
16
15
14
13
R
SENSE
C
OUT
R3
R4
1
2
C
R
M2
C
C
VIAS TO GROUND PLANE
x
x
C
OUT
V
OUT
3
VIA
LED
–
R
LED
LED
37551fd
+
37551 F05