Datasheet
LT4363
2
4363fa
ABSOLUTE MAXIMUM RATINGS
V
CC
, SHDN, UV, OV ................................... –60V to 100V
SNS, OUT
................................................. –0.3V to 100V
SNS to OUT
................................................. –30V to 30V
GATE (Note 3)
..................................–0.3V to SNS + 10V
ENOUT, FLT
.............................................. –0.3V to 100V
FB ............................................................. –0.3V to 5.5V
TMR
......................................................................0.5mA
(Notes 1, 2)
LT4363-1 LT4363-1 LT4363-1
12
11
10
9
8
7
13
GND
1
2
3
4
5
6
TMR
ENOUT
FLT
GND
UV
GND
FB
OUT
SNS
GATE
V
CC
SHDN
TOP VIEW
DE PACKAGE
12-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) IS GND, CONNECTION TO PCB
OPTIONAL
1
2
3
4
5
6
FB
OUT
SNS
GATE
V
CC
SHDN
12
11
10
9
8
7
TMR
ENOUT
FLT
GND
UV
GND
TOP VIEW
MS PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 135°C/W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OUT
SNS
NC
GATE
NC
V
CC
NC
SHDN
FB
TMR
NC
ENOUT
FLT
GND
UV
GND
T
JMAX
= 125°C, θ
JA
= 80°C/W
LT4363-2 LT4363-2 LT4363-2
12
11
10
9
8
7
13
GND
1
2
3
4
5
6
TMR
ENOUT
FLT
GND
UV
OV
FB
OUT
SNS
GATE
V
CC
SHDN
TOP VIEW
DE PACKAGE
12-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 13) IS GND, CONNECTION TO PCB
OPTIONAL
1
2
3
4
5
6
FB
OUT
SNS
GATE
V
CC
SHDN
12
11
10
9
8
7
TMR
ENOUT
FLT
GND
UV
OV
TOP VIEW
MS PACKAGE
12-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 135°C/W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OUT
SNS
NC
GATE
NC
V
CC
NC
SHDN
FB
TMR
NC
ENOUT
FLT
GND
UV
OV
T
JMAX
= 125°C, θ
JA
= 80°C/W
PIN CONFIGURATION
Operating Temperature Range
LT4363C
.................................................. 0°C to 70°C
LT4363I
................................................–40°C to 85°C
Storage Temperature Range
DE12
.................................................. –65°C to 125°C
MS, SO
.............................................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MS, SO
.............................................................300°C