LT3756IMSE-2#PBF Linear Technology, LT3756IMSE-2#PBF Datasheet - Page 19

• Manufacturer Part Number: LT3756IMSE-2#PBF
• Description: IC LED DRVR HP CONS CURR 16-MSOP
• Manufacturer: Linear Technology
• Type: High Power, Constant Currentr

Specifications of LT3756IMSE-2#PBF

• 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: 6 V ~ 100 V
• Voltage - Output: 100V
• Mounting Type: Surface Mount
• Package / Case: 16-MSOP Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 94%
• Operating Supply Voltage (typ): 9/12/15/18/24V
• Number Of Segments: 18
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: MSOP EP
• Pin Count: 16
• Mounting: Surface Mount
• Operating Supply Voltage (min): 6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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