DC1018B-B Linear Technology, DC1018B-B Datasheet - Page 4

• Manufacturer Part Number: DC1018B-B
• Description: LT4356-2 Overvoltage Protection Regulator With Auto-retry, Aux Amplifier Remains On During Shutdown
• Manufacturer: Linear Technology
• Series: -r

Specifications of DC1018B-B

• Design Resources: DC1018B Design File DC1018B Schematic
• Main Purpose: Overvoltage Protection
• Embedded: No
• Utilized Ic / Part: LT4356-2
• Primary Attributes: -
• Secondary Attributes: -
• Kit Application Type: Power Management
• Application Sub Type: Overvoltage Protection
• Features: Triple Layout For D-PAK Or S-8 MOSFETs , LEDs Show Input, Outputs, Fault & Enable
• Lead Free Status / Rohs Status: Not applicable / Not applicable

LT4356-1/LT4356-2
ELECTRICAL CHARACTERISTICS
SYMBOL
V
I
I
ΔV
I
I
V
I
ΔV
I
I
I
V
ΔV
V
I
I
ΔV
V
V
4
temperature range, otherwise specifi cations are at T
CC
R
GATE(UP)
GATE(DN)
FB
SNS
LEAK
TMR
IN
OUT
TMR
CC
FB
IN
SHDN
OL
+
GATE
SNS
TMR
OUT
+
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
OUT Pin Input Current
OUT Pin High Threshold
SHDN Pin Threshold
FLT, EN Pins Output Low
A
CC
OUT
OUT
+
+
Pin Threshold
Pin Input Current
Supply Current
Pin Leakage Current
Pin Output Low
CONDITIONS
V
V
LT4356I-1, LT4356C-1
LT4356H-1
V
LT4356I-2, LT4356C-2
LT4356H-2
V
V
V
80V ≥ V
V
V
Overvoltage, V
Overcurrent, V
Shutdown Mode, V
V
V
V
ΔV
ΔV
ΔV
ΔV
V
FLT, EN = 80V
A
V
V
V
V
V
V
FLT From High to Low, V
V
From FLT going Low to GATE going Low, V
V
V
V
ΔV
V
I
I
I
I
SINK
SINK
SINK
SINK
SHDN
SHDN
SHDN
SNS
SNS
CC
GATE
GATE
GATE
GATE
FB
SNS
OUT
TMR
TMR
TMR
TMR
TMR
TMR
GATE
IN
OUT
OUT
CC
SNS
SNS
SNS
SNS
OUT
+
= 1.25V
= 4V; (V
= 12V to 48V
= 1.25V
= 2mA
= 0.1mA
= 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
= 12V; V
From Low to High, V
= Float
= 0V, IN
= 0V, IN
= (V
= (V
= (V
= (V
= V
CC
CC
CC
CC
CC
CC
CC
≥ 8V; (V
A
CC
CC
CC
CC
= –30V, SHDN Open
= V
= 12V to 48V
= 12V
= 12V, V
GATE
FB
FB
FB
= 25°C. V
– V
SNS
SNS
– V
– V
– V
– V
FB
+
+
FB
CC
CC
CC
OUT
OUT
SHDN
= 1.5V, (V
= 1.5V, (V
= 1V, ΔV
= 1.3V, LT4356-1
= 1.3V, LT4356-2
OUT
= 1.5V
– V
= 1.4V, V
– V
SNS
SNS
SNS
SNS
= 12V
= 48V
= 60mV, (V
= 60mV, (V
The
GATE
= 12V, LT4356I, LT4356C
= 12V, LT4356H
SHDN
SHDN
; EN From Low to High
= –30V
OUT
SNS
), V
), V
), V
), V
l
SNS
CC
– V
)
CC
CC
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.
CC
OUT
= 12V, LT4356I, LT4356C
= 12V, LT4356H
= 48V, LT4356I, LT4356C
= 48V, LT4356H
= 5V to 80V
– V
– V
= 0V
CC
CC
= 5V to 80V
)
= 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
l
l
l
l
l
l
l
l
l
l
l
1.225
1.215
–195
–3.5
–2.5
MIN
–4.5
42.5
–1.5
1.22
0.48
1.22
0.25
–44
4.5
1.5
1.5
0.6
0.4
10
–4
75
45
46
43
80
4
5
5
–260
1.25
1.25
–2.5
–5.5
–4.5
1.25
1.25
–50
TYP
–23
–30
150
100
200
300
200
0.3
0.8
0.3
2.2
0.5
0.3
0.5
1.4
60
60
60
10
50
50
51
51
10
1
7
7
7
5
6
2
2
1.275
1.275
–315
MAX
–8.5
–6.5
1.28
0.52
1.28
–56
100
250
–36
–50
120
300
800
400
1.5
2.5
4.5
2.7
0.7
1.7
2.1
80
25
30
40
70
16
55
55
56
56
22
–4
14
1
2
8
1
1
8
8
UNITS
4356fa
mA
mA
mA
mA
mA
mA
mV
mV
mV
mV
mV
mA
mV
mV
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V
V