LT4356-3 Linear Technology Corporation, LT4356-3 Datasheet - Page 3

• Manufacturer Part Number: LT4356-3
• Description: Surge Stopper With Fault Latchoff
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
SYMBOL
V
I
I
ΔV
I
I
V
I
ΔV
I
I
I
V
ΔV
V
I
V
I
temperature range, otherwise specifi cations are at T
CC
R
GATE(UP)
GATE(DN)
FB
SNS
LEAK
TMR
IN
OUT
TMR
CC
FB
IN
OL
+
GATE
SNS
TMR
+
PARAMETER
Operating Voltage Range
V
Reverse Input Current
GATE Pin Output High Voltage
GATE Pin Pull-Up Current
GATE Pin Pull-Down Current
FB Pin Servo Voltage
FB Pin Input Current
Overcurrent Fault Threshold
SNS Pin Input Current
FLT, EN Pins Leakage Current
A
TMR Pin Pull-up Current
TMR Pin Pull-down Current
TMR Pin Thresholds
Early Warning Period
IN
IN
FLT, EN, A
OUT Pin Input Current
CC
OUT
+
+
Pin Threshold
Pin Input Current
Supply Current
Pin Leakage Current
OUT
Pins Output Low
CONDITIONS
V
V
V
V
V
80V ≥ V
V
V
Overvoltage, V
Overcurrent, V
Shutdown Mode, V
V
V
ΔV
ΔV
V
FLT, EN = 80V
A
V
V
V
V
V
V
FLT From High to Low, V
From FLT going Low to GATE going Low, V
V
I
I
V
V
SINK
SINK
SHDN
SHDN
SNS
SNS
CC
GATE
GATE
GATE
FB
SNS
OUT
TMR
TMR
TMR
TMR
TMR
TMR
IN
OUT
OUT
SNS
SNS
+
= 1.25V
= 4V; (V
= 1.25V
= 2mA
= 0.1mA
= V
= V
= V
= 80V
= V
= V
= 1V, V
= 1V, V
= 1.3V, V
= 1V, ΔV
= 1V, ΔV
= 1V, V
= 12V; V
= 48V; V
= 12V; V
= Float
= 0V, IN
= (V
= (V
CC
CC
CC
CC
CC
CC
≥ 8V; (V
A
CC
CC
= –30V, SHDN Open
= V
= 12V to 48V
= 12V
= 12V, V
GATE
FB
FB
FB
= 25°C. V
SNS
SNS
– V
– V
FB
+
FB
CC
CC
CC
OUT
SHDN
= 1.5V, (V
= 1.5V, (V
= 1V, ΔV
= 1.3V
= 1.5V
– V
= 1.4V, V
– V
SNS
SNS
= 12V
= 48V
= 60mV, (V
= 60mV, (V
The
GATE
= 12V
SHDN
SHDN
= –30V
OUT
SNS
), V
), V
l
SNS
CC
– V
)
CC
CC
CC
= 0V, V
= 120mV, V
CC
CC
= 0V
denotes the specifi cations which apply over the full operating
GATE
= 12V unless otherwise noted.
OUT
= 12V
= 48V
= 5V to 80V
– V
– V
= 0V
CC
CC
)
= 12V
OUT
OUT
GATE
– V
– V
) = 0.5V
) = 75V
OUT
OUT
GATE
= 12V
) = 0.5V
) = 80V
= 12V
CC
= 5V to 80V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1.225
–195
–3.5
–2.5
MIN
–4.5
–1.5
1.22
1.22
–44
4.5
1.5
1.5
10
–4
75
45
46
80
4
5
5
–260
1.25
–2.5
–5.5
–4.5
1.25
1.25
–50
TYP
–23
–30
150
100
300
200
0.3
0.8
0.3
2.2
0.3
10
50
51
10
1
7
7
5
2
6
LT4356-3
1.275
–315
MAX
–8.5
–6.5
1.28
1.28
–56
–36
–50
120
800
300
1.5
2.5
4.5
2.7
80
25
30
16
55
56
22
–4
14
1
2
8
1
1
8
UNITS
43563f
3
mA
mA
mA
mA
mA
mA
mV
mV
mV
mV
mA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
V
V
V
V
V
V
V