Datasheet
LT4363
3
4363fa
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT4363CDE-1#PBF LT4363CDE-1#TRPBF 43631
12-Lead (4mm × 3mm) Plastic DFN
0°C to 70°C
LT4363IDE-1#PBF LT4363IDE-1#TRPBF 43631
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 85°C
LT4363CDE-2#PBF LT4363CDE-2#TRPBF 43632
12-Lead (4mm × 3mm) Plastic DFN
0°C to 70°C
LT4363IDE-2#PBF LT4363IDE-2#TRPBF 43632
12-Lead (4mm × 3mm) Plastic DFN
–40°C to 85°C
LT4363CMS-1#PBF LT4363CMS-1#TRPBF 43631 12-Lead Plastic MSOP 0°C to 70°C
LT4363IMS-1#PBF LT4363IMS-1#TRPBF 43631 12-Lead Plastic MSOP –40°C to 85°C
LT4363CMS-2#PBF LT4363CMS-2#TRPBF 43632 12-Lead Plastic MSOP 0°C to 70°C
LT4363IMS-2#PBF LT4363IMS-2#TRPBF 43632 12-Lead Plastic MSOP –40°C to 85°C
LT4363CS-1#PBF LT4363CS-1#TRPBF LT4363S-1 16-Lead Plastic SO 0°C to 70°C
LT4363IS-1#PBF LT4363IS-1#TRPBF LT4363S-1 16-Lead Plastic SO –40°C to 85°C
LT4363CS-2#PBF LT4363CS-2#TRPBF LT4363S-2 16-Lead Plastic SO 0°C to 70°C
LT4363IS-2#PBF LT4363IS-2#TRPBF LT4363S-2 16-Lead Plastic SO –40°C to 85°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/
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 12V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Operating Voltage Range LT4363C
LT4363I
l
l
4
4.5
80
80
V
V
I
CC
V
CC
Supply Current SHDN Open, OUT = SNS = 12V
SHDN = 0V, OUT = SNS = 0V
l
l
0.7
7
1.2
20
40
mA
µA
µA
I
R
Reverse Input Current V
CC
= –60V, SHDN, UV, OV Open
V
CC
= SHDN = UV = OV = –60V
l
l
–0.5
–3
–3
–10
mA
mA
ΔV
GATE
GATE Drive
ΔV
GATE
= (GATE – SNS);V
CC
= OUT
V
CC
= 4V; I
GATE
= –0.5µA, 0µA
9V ≤ V
CC
≤ 80V; I
GATE
= –1µA, 0µA
l
l
4.5
10
13
16
V
V
I
GATE(UP)
GATE Pull-Up Current V
CC
= GATE = OUT = 12V
V
CC
= GATE = OUT = 48V
l
l
–10
–10
–20
–25
–35
–40
µA
µA
I
GATE(DN)
GATE Pull-Down Current Overvoltage: FB = 1.5V, GATE = 12V, OUT = 5V
Overcurrent: ΔV
SNS
= 150mV, V
GATE
= 10V, OUT = 0V
Shutdown/UV Mode: SHDN = 0V, GATE = 10V
UV = 1V, GATE = 10V
l
l
l
l
75
50
50
200
150
100
1000
1000
mA
mA
µA
µA
V
FB
FB Servo Voltage GATE = 12V; OUT = 8V
l
1.25 1.275 1.3 V
I
FB
FB Input Current V
FB
= 1.275V
l
±0.2 ±1 µA
ΔV
SNS
Current Limit Sense Voltage
ΔV
SNS
= (SNS – OUT)
V
CC
= 12V, OUT = 3V to 12V
V
CC
= 48V, OUT = 3V to 48V
l
l
43
45
50
52
58
59
mV
mV
Current Limit Foldback V
CC
= 12V, OUT = 0V to 1V
V
CC
= 48V, OUT = 0V to 1V
l
l
15
16
25
27
35
36
mV
mV
I
SNS
SNS Input Current OUT = SNS = 3V to 80V
OUT = SNS = 0V
l
l
20
–10
30
–15
µA
µA