LTC1646CGN Linear Technology, LTC1646CGN Datasheet - Page 3

• Manufacturer Part Number: LTC1646CGN
• Description: IC CNTRLR HOTSWAP PCIDUAL 16SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1646CGN

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V
• 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

temperature range, otherwise specifications are at T
SYMBOL
V
V
I
I
R
V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
IN
TIMER
IH
TIMER
DIS
OL
PXG
12
11
10
9
8
7
6
5
4
3
2
1
0
5V Current Foldback Profile
0
PARAMETER
Input High Voltage
TIMER Threshold Voltage
OFF/ON Input Current
RESETIN Input Current
5V
3V
3V
5V
3V
TIMER Pin Current
5V
3V
Output Low Voltage
PRECHARGE Reference Voltage
1
SENSE
SENSE
IN
OUT
OUT
OUT
OUT
OUTPUT VOLTAGE (V)
Input Current
Input Current
Input Current
Discharge Impedance
Discharge Impedance
Input Current
Input Current
2
R
3
SENSE
= 0.007Ω
W
4
1646 G01
U
5
CONDITIONS
OFF/ON, RESETIN, FAULT
V
OFF/ON = 5V
OFF/ON = 0V
RESETIN = 5V
RESETIN = 0V
5V
3V
3V
5V
3V
OFF/ON = 0V, V
OFF/ON = 5V, V
OFF/ON = 5V
OFF/ON = 5V
FAULT, PWRGD, RESETOUT, I = 2mA
V
TIMER
PRECHARGE
SENSE
SENSE
IN
OUT
OUT
= 3.3V
= 5V, OFF/ON = 0V
= 3.3V, OFF/ON = 0V
, FAULT = 0V
12
11
10
= 5V, 5V
= 3.3V, 3V
9
8
7
6
5
4
3
2
1
0
A
3.3V Current Foldback Profile
0
, V
= 25°C. V
5VIN
TIMER
TIMER
OUT
The
= 5V and 3.3V
1
OUT
= 0V
= 0V
= 5V
OUTPUT VOLTAGE (V)
●
5VIN
= 0V
denotes the specifications which apply over the full operating
2
= 5V and V
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.
R
3
SENSE
= 0.005Ω
3VIN
4
1646 G02
= 3.3V unless otherwise noted.
5
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
–50
5V
Temperature
IN
MIN
1.15
0.90
–7
–25
2
Supply Current vs
TEMPERATURE (°C)
0
±0.08
±0.08
±0.08
±0.08
1.25
0.25
1.00
TYP
460
120
120
0.9
0.9
6.6
66
66
–5
25
LTC1646
MAX
1000
1.35
1.10
50
±10
±10
±10
±10
100
100
220
220
1.5
1.5
0.4
–3
75
1646 G03
UNITS
1646fa
3
100
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
Ω
Ω
V
V
V
V