LTC1643HCGN Linear Technology, LTC1643HCGN Datasheet - Page 3

• Manufacturer Part Number: LTC1643HCGN
• Description: IC CONTRLR HOTSWAP PCIBUS 16SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1643HCGN

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, ±12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DC
The denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 C.
V
SYMBOL
V
V
V
R
I
V
TYPICAL PERFORMANCE CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
V
I
TIMER
IN
TH
IH
OL
TIMER
12VIN
DIS
IL
11
10
9
8
7
6
5
4
3
2
1
0
0
ELECTRICAL CHARACTERISTICS
3.3V and 5V Current
Foldback Profile
= 12V, V
3V
OUT
PARAMETER
Power-Good Threshold Voltage
Input Low Voltage
Input High Voltage
Output Low Voltage
ON/ON Pin Input Current
5V
3V
5V
3V
5V
3V
5V
3V
12V
V
TIMER Pin Current
TIMER Threshold Voltage
EEOUT
1
SENSE
SENSE
IN
IN
OUT
OUT
OUT
OUT
OUT
EE
OUTPUT VOLTAGE (V)
Input Current
Input Current
5V
Input Current
Input Current
Discharge Impedance
Discharge Impedance
= – 12V, V
OUT
Discharge Impedance
Discharge Impedance
Input Current
Input Current
2
R
3
SENSE
3VIN
W
= 0.005
= 3.3V, V
4
1643 G01
U
5
5VIN
CONDITIONS
V
V
ON/ON, FAULT
ON/ON, FAULT
FAULT, PWRGD, I = 3mA
ON/ON = GND
ON/ON= 12V
5V
3V
5V
3V
5V
3V
ON = GND or ON = 3V
ON = GND or ON = 3V
ON = GND or ON = 3V
ON = GND or ON = 3V
Timer On, V
Timer Off, V
(V
3VOUT
5VOUT
12VIN
SENSE
SENSE
IN
IN
OUT
OUT
= 5V.(Note 2)
= 5V
= 3V
= 5V, ON = 3V, ON = GND
= 3.3V, ON = 3V, ON = GND
– V
= 5V
= 3V
1.0
0.5
0
TIMER
TIMER
TIMER
0
12V Current Foldback Profile
IN
)
= GND
= 5V
2
OUTPUT VOLTAGE (V)
4
LTC1643L/LTC1643L-1/LTC1643H
6
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.
– 40 C T
– 40 C T
8
0 C T
0 C T
10
1643 G02
A
A
A
A
12
70 C
85 C
70 C
85 C
1.0
0.5
0
0
– 12V Current Foldback Profile
2.75
MIN
– 15
2.8
4.5
4.4
0.5
2
–2
OUTPUT VOLTAGE (V)
1600
4.65
4.65
TYP
460
320
240
220
100
450
– 22
–4
2.9
2.9
0.9
0.08
0.08
50
50
70
45
–6
MAX
4.75
4.75
– 27
100
100
700
600
500
500
3.0
3.0
0.8
0.4
1.3
10
10
–8
–10
UNITS
1643 G03
3
mA
–12
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
V