Datasheet
LT3751
2
3751fc
absoluTe MaxiMuM raTings
V
CC
, CHARGE, CLAMP ..............................................24V
DONE, FAU LT ............................................................24V
LVGATE (Note 8) .......................................................24V
V
CC
– LVGATE .............................................................8V
HVGATE ................................................................Note 9
RBG, CSP, CSN ...........................................................2V
FB ..............................................................................5V
Current into DONE Pin ........................................... ±1mA
Current into FAU LT Pin ........................................... ±1mA
Current into RV
TRANS
Pin....................................... ±1mA
(Note 1)
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3751EFE#PBF LT3751EFE#TRPBF LT3751FE 20-Lead Plastic TSSOP –40°C to 125°C
LT3751IFE#PBF LT3751IFE#TRPBF LT3751FE 20-Lead Plastic TSSOP –40°C to 125°C
LT3751EUFD#PBF LT3751EUFD#TRPBF 3751 20-Pin (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3751IUFD#PBF LT3751IUFD#TRPBF 3751 20-Pin (4mm × 5mm) Plastic QFN –40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3751EFE LT3751EFE#TR LT3751FE 20-Lead Plastic TSSOP –40°C to 125°C
LT3751IFE LT3751IFE#TR LT3751FE 20-Lead Plastic TSSOP –40°C to 125°C
LT3751EUFD LT3751EUFD#TR 3751 20-Pin (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3751IUFD LT3751IUFD#TR 3751 20-Pin (4mm × 5mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
Current into RV
OUT
Pin ........................................ ±10mA
Current into RDCM Pin......................................... ±10mA
Current into UVLO1 Pin .......................................... ±1mA
Current into UVLO2 Pin.......................................... ±1mA
Current into
OVLO1 Pin
.......................................... ±1mA
Current into OVLO2 Pin .......................................... ±1mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2).. –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
RV
TRANS
UVLO1
OVLO1
UVLO2
OVLO2
FAULT
DONE
CHARGE
CLAMP
FB
RDCM
NC
RV
OUT
NC
RBG
HVGATE
LVGATE
V
CC
CSP
CSN
21
T
JMAX
= 125°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
20 19 18 17
7 8
TOP VIEW
UFD PACKAGE
20-PIN (4mm × 5mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
OVLO1
UVLO2
OVLO2
FAULT
DONE
CHARGE
RV
OUT
NC
RBG
HVGATE
LVGATE
V
CC
UVLO1
RV
TRANS
NC
RDCM
CLAMP
FB
CSN
CSP
21
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE TIED TO PCB
pin conFiguraTion