ltc1642a Linear Technology Corporation, ltc1642a Datasheet - Page 3

• Manufacturer Part Number: ltc1642a
• Description: Hot Swap Controller
• Manufacturer: Linear Technology Corporation

DC ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
V
I
I
∆V
V
V
V
I
V
I
V
∆V
∆V
I
V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TYPICAL PERFOR A CE CHARACTERISTICS
SENSE
GATE
ON(IN)
PU
RSC
CB
ONHI
ONLO
ONHYST
OL
REF
COS
CHYST
CC
GATE
LNR
LDR
16
14
12
10
8
6
4
2
0
●
= 5V unless otherwise specified.
–50
∆V
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
GATE
V
–25
CC
PARAMETER
Circuit Breaker Trip Voltage
SENSE Pin Input Bias Current
GATE Pin Output Current
External N-Channel Gate Drive
ON Pin Threshold
ON Pin Threshold
ON Pin Hysteresis
ON Pin Input Current
Output Low Voltage
Logic Output Pull-Up Current
Reference Output Voltage
Reference Supply Variation
Reference Load Regulation
Reference Short-Circuit Current
Comparator Offset Voltage
Comparator Hysteresis
= 5V
vs Temperature
0
TEMPERATURE (°C)
25
50
V
V
V
75
CC
CC
CC
W
= 12V
= 15V
= 3V
100
1642a G03
125
U
15
12
9
6
3
0
3
∆V
GATE
6
CONDITIONS
V
V
2.97V ≤ V
V
V
V
Charge Pump On, V
Charge Pump Off, V
V
V
V
V
ON Rising
ON Falling
V
RESET, FAULT, COMPOUT I
RESET, FAULT I
RESET, FAULT = GND
No Load
2.97V ≤ V
I
V
V
O
V
vs V
CB
CB
CB
CB
CC
GATE
GATE
GATE
GATE
ON
REF
CM
CM
= 0mA to –1mA, Sourcing Only
= (V
= (V
= (V
= (V
= V
= 5V
= V
= 0V
= V
CC
– V
– V
– V
– V
SENSE
REF
V
CC
CC
CC
CC
9
REF
CC
CC,
CC,
CC,
CC,
CC
CC
– V
– V
– V
– V
(V)
≤ 16.5V,
V
V
V
V
≤ 16.5V, No Load
= 16.5V
CC
CC
CC
CC
SENSE
SENSE
SENSE
SENSE
O
12
= 2.97V
= 5V
= 15V (0°C to 70°C)
= 15V (–40°C to 85°C)
= 5mA
GATE
GATE
), V
), V
), V
), V
T
A
= 25°C
FB
FB
FB
FB
= GND
= 5V
15
1642a G26
= GND
= 1V
= GND
= 1V
OL
= 1.54mA
30
29
28
27
26
25
24
23
22
21
20
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
–50
I
GATE
1.208
V
MIN
– 20
1.30
1.20
GATE
4.5
6.5
15
45
12
42
10
–25
6
vs Temperature
= 0V
0
TEMPERATURE (°C)
V
V
V
V
CC
CC
CC
CC
1.220
52.5
52.5
11.5
1.34
1.22
LTC1642A
TYP
– 25
110
– 15
5.9
8.5
8.5
2.5
4.5
25
25
10
= 3V
= 5V
= 12V
= 15V
0
5
3
25
50
1.232
MAX
1.38
1.26
– 30
±10
0.5
8.0
0.4
7.5
A
36
60
39
63
14
18
18
±1
15
2
75
= 25°C.
100
1642a G04
UNITS
1642af
3
mV
mV
mV
mV
mA
mV
mV
mV
mA
mV
mV
125
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V