LTC1644CGN Linear Technology, LTC1644CGN Datasheet - Page 5

• Manufacturer Part Number: LTC1644CGN
• Description: IC CONTROLLER HOT SWAP 20-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1644CGN

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, ±12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.154", 3.91mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
11.97
11.96
11.95
11.94
11.93
11.92
56.2
56.0
55.8
55.6
55.4
55.2
55.0
54.8
16
14
12
10
8
6
4
2
0
–50
–50
–50
5V/3.3V Circuit Breaker Trip
Voltage vs Temperature
GATE Pin Current vs Temperature
(V
GATE Pin Voltage vs Temperature
TIMER PIN FLOATING
I
GATE
GATE
–25
–25
–25
= –1 A
= 2V, FAULT = 0V)
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
0
25
25
25
50
50
50
V
FAULT = 0V
GATE
W
75
75
75
= 2V
1644 G10
1644 G13
1644 G16
100
100
U
100
48.0
47.5
47.0
46.5
46.0
45.5
45.0
44.5
0.35
0.30
0.25
0.20
0.15
0.10
0.05
300
250
200
150
100
50
–50
0
0
–50
–50
5V/3.3V Circuit Breaker Overcurrent
Fault Response Time
vs Temperature
GATE Pin Current vs Temperature
(V
12V Internal Switch Voltage Drop
vs Temperature
V
OFF/ON = 4V
I = 500mA
GATE
GATE
–25
–25
–25
= 5V
= 5V, OFF/ON = 4V)
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
0
25
25
25
50
50
50
75
75
75
1644 G11
1644 G14
1644 G17
100
100
100
0.125
0.105
0.100
0.120
0.115
0.110
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
0
–50
–50
–50
5V/3.3V Circuit Breaker Short-
Circuit Response Time
vs Temperature
V
vs Temperature
GATE Pin Current vs Temperature
(V
V
OFF/ON = 4V
EE
I
EE
GATE
GATE
= 100mA
Internal Switch Voltage Drop
–25
–25
–25
= 5V
= 0V, OFF/ON = 0V)
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
0
LTC1644
25
25
25
50
50
50
75
75
75
1644 G15
1644 G18
1644 G12
5
1644f
100
100
100