lt4351 Linear Technology Corporation, lt4351 Datasheet - Page 3

• Manufacturer Part Number: lt4351
• Description: Mosfet Diode-or Controller
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
Specifications are at T
temperature range, otherwise specifications are at T
unless otherwise specified.
SYMBOL
V
I
Status Functions
V
V
I
TYPICAL PERFOR A CE CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
VDD
STOFF
DD
IOGF
STON
V
310
308
306
304
302
300
298
296
294
292
290
GIS
–50
Undervoltage Threshold
vs Temperature
–25
V
V
V
V
PARAMETER
Operating Range
V
Min Gate Voltage for Turning On Status
V
with Open Gate
Status Pin On Voltage
Status Pin Leakage Current
IN
IN
IN
IN
DD
IN
= 1.2V
= 5V
= 12V
= 20V
0
TEMPERATURE ( C)
to V
Supply Current
OUT
25
A
Fault Voltage
= 25 C unless otherwise specified.
50
75
W
100
4351 G01
U
125
305
303
301
299
297
295
293
CONDITIONS
V
V
V
V
I
V
ST
IN
IN
OUT
OUT
ST
–50
Overvoltage Threshold
vs Temperature
A
= 5mA, V
= 1.2V, V
= 18V, V
= 30V, Status Off, V
= 25 C. V
= 4.9V, I
Falling, Measured with Respect to V
–25
V
V
V
V
The
IN
IN
IN
IN
OUT
OUT
OUT
= 1.2V
= 5V
= 12V
= 20V
0
STATUS
TEMPERATURE ( C)
IN
= 17.9V, V
= 4.9V, Status On
= 1.1V, V
denotes the specifications which apply over the full operating
25
= V
= 1mA
OUT
Note 2: T
dissipation P
IN
50
DD
= 4.9V
T
DD
= 5V, V
J
= T
= 12.3V, GATE Open
75
= 29.1V, GATE Open
J
A
is calculated from the ambient temperature T
+ (P
100
DD
D
4351 G02
according to the following formula:
D
= 16.1V, V
• 120 C/W)
125
IN
UV
310
308
306
304
302
300
298
296
294
292
290
= 0.4V, V
0
Undervoltage Threshold vs V
MIN
185
2
4
OV
= 0.2V, GATE Open,
6
0.75
0.13
0.04
TYP
210
3.0
3.6
8
V
IN
10
(V)
A
12 14
LT4351
and power
MAX
0.25
230
4.0
5.6
30
1
1
sn4351 4351fs
16
IN
UNITS
18
4351 G03
3
mA
mA
mV
20
V
V
V
A