EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
MSE PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 125°C (E, I GRADES), T
JMAX
= 150°C (H GRADE),
θ
JA
= 43°C/W,
θ
JC
= 4°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LT3755EUD#PBF
LT3755IUD#PBF
LT3755EUD-1#PBF
LT3755IUD-1#PBF
LT3755EUD-2#PBF
LT3755IUD-2#PBF
TAPE AND REEL
LT3755EUD#TRPBF
LT3755IUD#TRPBF
LT3755EUD-1#TRPBF
LT3755IUD-1#TRPBF
LT3755EUD-2#TRPBF
LT3755IUD-2#TRPBF
PART MARKING*
LDGC
LDGC
LDMS
LDMS
LFJZ
LFJZ
PACKAGE DESCRIPTION
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
16-Lead (3mm
×
3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
16-Lead (3mm
×
3mm) Plastic QFN
LT3755EMSE#PBF
LT3755EMSE#TRPBF
3755
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE#PBF
LT3755IMSE#TRPBF
3755
16-Lead Plastic MSOP
–40°C to 125°C
LT3755EMSE-1#PBF
LT3755EMSE-1#TRPBF
37551
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE-1#PBF
LT3755IMSE-1#TRPBF
37551
16-Lead Plastic MSOP
–40°C to 125°C
LT3755EMSE-2#PBF
LT3755EMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 125°C
LT3755IMSE-2#PBF
LT3755IMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 125°C
LT3755HMSE-2#PBF
LT3755HMSE-2#TRPBF
37552
16-Lead Plastic MSOP
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
37551fd
LT3755/LT3755-1/LT3755-2
elecTrical characTerisTics
PARAMETER
V
IN
Minimum Operating Voltage
V
IN
Shutdown I
Q
V
IN
Operating I
Q
(Not Switching)
V
REF
Voltage
V
REF
Line Regulation
SENSE Current Limit Threshold
SENSE Input Bias Current
SS Pull-Up Current
Error Amplifier
ISP/ISN Full-Scale Current Sense Threshold
ISP/ISN Full-Scale Current Sense Threshold at CTRL = 0V
CTRL Pin Range for Current Sense Threshold Adjustment
CTRL Input Bias Current
LED Current Sense Amplifier Input Common Mode Range (V
ISN
)
ISP/ISN Short-Circuit Threshold
ISP/ISN Short-Circuit Fault Sensing Common Mode Range (V
ISN
)
ISP/ISN Input Bias Current (Combined)
LED Current Sense Amplifier g
m
VC Output Impedance
VC Standby Input Bias Current
FB Regulation Voltage (V
FB
)
FB Amplifier g
m
FB Pin Input Bias Current
FB Open LED Threshold
FB Overvoltage Threshold
VC Current Mode Gain – (∆V
VC
/∆V
SENSE
)
Oscillator
Switching Frequency
Minimum Off-Time
R
T
= 100k
R
T
= 10k
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
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