LT3756EUD#PBF Linear Technology, LT3756EUD#PBF Datasheet - Page 19
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LT3756EUD#PBF
Manufacturer Part Number
LT3756EUD#PBF
Description
IC LED DRVR HP CONST CURR 16-QFN
Manufacturer
Linear Technology
Type
High Power, Constant Currentr
Datasheet
1.LT3756EUD-1PBF.pdf
(24 pages)
Specifications of LT3756EUD#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-WQFN 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
QFN EP
Pin Count
16
Mounting
Surface Mount
Operating Supply Voltage (min)
6V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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