LT3755IMSE#PBF Linear Technology, LT3755IMSE#PBF Datasheet - Page 6
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LT3755IMSE#PBF
Manufacturer Part Number
LT3755IMSE#PBF
Description
IC LED DRVR HP CONS CURR 16-MSOP
Manufacturer
Linear Technology
Type
High Power, Constant Currentr
Datasheet
1.LT3755EUDPBF.pdf
(26 pages)
Specifications of LT3755IMSE#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
4.5 V ~ 40 V
Voltage - Output
75V
Mounting Type
Surface Mount
Package / Case
16-MSOP 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT3755/LT3755-1/LT3755-2
Typical perForMance characTerisTics
115
110
105
100
2.0
1.5
1.0
0.5
95
0
8
6
0
4
2
0
0
Quiescent Current vs V
0
INTV
SENSE Current Limit Threshold
vs Duty Cycle
PWM = 0V
CC
Voltage vs V
10
25
10
DUTY CYCLE (%)
V
V
IN
IN
20
50
20
(V)
(V)
IN
IN
30
75
30
37551 G10
37551 G13
37551 G16
100
40
40
110
105
100
125
100
40
38
36
34
32
30
90
95
75
50
25
0
–50
–50
1.2
SENSE Current Limit Threshold
vs Temperature
INTV
vs Temperature
V
V
(ISP-ISN)
CTRL
–25
–25
CC
= 2V
1.22
Current Limit
0
0
TEMPERATURE (°C)
Threshold vs FB Voltage
TEMPERATURE (°C)
FB VOLTAGE (V)
25
25
1.24
50
50
75
75
100
1.26
100
125
125
37551 G14
37551 G11
37551 G17
T
A
150
1.28
150
= 25°C, unless otherwise noted.
1.28
1.26
1.24
1.22
1.20
1.18
100
7.4
7.3
7.0
7.2
7.1
80
60
40
20
0
–50
–50
0
SHDN/UVLO Threshold
vs Temperature
INTV
Gate Rise/Fall Time
vs Capacitance
10% TO 90%
–25
–25
CC
2
Voltage vs Temperature
0
0
SHDN/UVLO FALLING
SHDN/UVLO RISING
TEMPERATURE (°C)
TEMPERATURE (°C)
CAPACITANCE (nF)
25
25
4
50
50
6
75
75
GATE RISE
FALL TIME
TIME
GATE
100
100
8
125
125
37551 G15
37551 G12
37551 G18
37551fd
150
150
10