Linear Technology LT4363, Техническое описание

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LT4363
6
4363fb
For more information www.linear.com/LT4363
Typical perForMance characTerisTics
Overvoltage TMR Current vs
(V
CC
– V
OUT
)
Overcurrent TMR Current vs
(V
CC
– V
OUT
)
Warning Period TMR Current
vs V
CC
TMR Pull-Down Current vs
Temperature
TMR Pull-Up Current (Cool Down)
vs Temperature Output Low Voltage vs Current
Gate Drive vs Temperature
(ΔV
GATE
vs Temperature)
Gate Drive vs Supply Voltage
(ΔV
GATE
vs V
CC
)
TMR High Threshold vs
Supply Voltage
Specifications are at V
CC
= 12V, T
A
= 25°C, unless
otherwise noted.
TEMPERATURE (°C)
–50
∆V
GA
TE
(V)
14
13
11
12
10
0 50 –25 25 100
4363 G10
125 75
V
CC
= SNS = OUT
I
GATE
= –1µA
I
GATE
= 0µA
V
CC
(V)
0
∆V
GA
TE
(V)
16
10
8
14
12
6
4
2
0
4363 G11
80 70 60 20 8 16 4 12
V
CC
= SNS = OUT
I
GATE
= 0µA
I
GATE
= 1µA
V
CC
(V)
0
V
TMR
(V)
5
4
3
2
1
4363 G12
80 70 60 50 20 40 10 30
TEMPERATURE (°C)
–50
I
TMR(DN)
(µA)
2.4
2.0
1.2
1.6
0.4
0.8
0
0 50 –25 25 100
4363 G16
125 75
TMR = 1V
I
SINK
(mA)
0
V
OL
(V)
6
5
4
3
2
1
0
4363 G18
3.0 2.5 2.0 1.5 1.0 0.5
OUT = SNS = 3V
V
CC
– V
OUT
(V)
0
I
TMR(
U
P,
O
V)
(µA)
–50
–40
–30
–20
–10
0
4363 G13
80 70 60 50 20 40 10 30
TMR = 1V
V
CC
(V)
0
I
TMR
(O
V,
EW
)
(µA)
–7
–6
–5
–4
–3
–2
4363 G15
80 70 60 50 20 40 10 30
∆V
DS
= 0.5V
TEMPERATURE (°C)
–50
I
TMR
(U
P,
CO
O
L)
(µA)
–3.0
–2.5
–1.5
–2.0
–0.5
–1.0
0
0 50 –25 25 100
4363 G17
125 75
TMR = 3V
V
CC
– V
OUT
(V)
0
I
TMR
(U
P,
O
C)
(µA)
–260
–220
–160
–120
–80
–40
0
4363 G14
80 70 60 50 20 40 10 30
TMR = 1V