LTC4240 Linear Technology, LTC4240 Datasheet - Page 3

• Manufacturer Part Number: LTC4240
• Description: CompactPCI Hot Swap Controller with I2C Compatible Interface
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
I
I
T
V
V
V
I
I
V
R
V
V
V
I
f
t
t
t
CL
TH
IN
TIMER
2
SCL
SUSTA
BUF
HDSTA
TS
TH
IL
IH
TIMER
OH
OL
PXG
V
V
DIS
C Timing (Note 4)
12V
VEE
PARAMETER
12V Switch Voltage Drop
V
Current Foldback
Current Fault Threshold
Thermal Shutdown Temperature
Power Good Threshold Voltage
Input Low Voltage
Input High Voltage
Input Current PRSNT1#, PRSNT2#,
OFF/ON, RESETIN, SDA, SCL
RESETOUT, FAULT Leakage Current
PWRGD Leakage Current
5V
3V
5V
3V
5V
3V
V
Precharge Input Current
ADDRIN
TIMER Pin Current
TIMER Threshold Voltages
12V
5V
3V
V
CMOS Output High Voltage
CMOS Output Low Voltage
Output Low Voltage
Output Low Voltage
PRECHARGE Reference Voltage
SCL Clock Frequency
Start Condition Setup Time
Bus Free Time Between Stop and Start
Start Condition Hold Time
EE
EEIN
EEOUT
SENSE
SENSE
IN
IN
OUT
OUT
OUT
OUT
OUT
Switch Voltage Drop
Input Current
Input Current
Input Current
Input Current
Input Current
Discharge Impedance
Discharge Impedance
Discharge Impedance
Discharge Impedance
Input Current
Input Current
CONDITIONS
12V
V
12V
V
Note 4
12V
5V
3V
V
OFF/ON, RESETIN, SCL, SDA, PRSNT1#, PRSNT2#
OFF/ON, RESETIN, SCL, SDA, PRSNT1#, PRSNT2#
OFF/ON = RESETIN = SDA = SCL = 0V, 5V,
RESETOUT = FAULT = 12V, OFF/ON = 0V, RESETIN = 3.3V
PWRGD = 12V, OFF/ON = 4V
5V
3V
5V
3V
3V
5V
3V
V
OFF/ON = 0V, TIMER = 0V
TIMER = 5V, OFF/ON = 2V
BE, I = –100 A
BE, I = 100 A
PWRGD, RESETOUT, FAULT, SDA(I = 3mA)
LED (I = 10mA)
V
PRSNT1#, PRSNT2# = 0V, 5V
TIMER = 0V, OFF/ON = 0V
ADDRIN = 0V, 5V
EEIN
EEIN
EEOUT
PRECHARGE
5VIN
V
V
OUT
OUT
SENSE
SENSE
IN
IN
IN
OUT
OUT
12V
VEE
IN
IN
OUT
= 5V, TIMER = 0V, OFF/ON = 0V
= 3.3V, TIMER = Open
= 3.3V, TIMER = 0V
= –12V, V
= –12V
= 5V
= 12V, 12V
= 12V
A
= (V
= (V
= 5V, OFF/ON = 0V, TIMER = 0V, GATE = 0V
= 3.3V, OFF/ON = 0V, TIMER = 0V, GATE = 0V
= 25 C. 12V
= 5V, 5V
= 3.3V, 3V
12VIN
EEOUT
= 1V
The denotes the specifications which apply over the full operating
EEOUT
– V
– V
OUT
OUT
OUT
12VOUT
EEIN
= 0V
= 0V, GATE = 0V
IN
= 0V
= 0V, GATE = 0V
= 12V, V
), I = 100mA
), I = 500mA
EEIN
= –12V, V
3VIN
= 3.3V, V
5VIN
5V
–550
10.8
4.50
MIN
– 50
– 10
225
2.8
0.9
4.7
4.7
–6
50
15
IN
2
5
4
= 5V unless otherwise noted.
– 0.4
– 1250 – 1900
– 10.5 – 10.8
– 11.5
–350
–950
11.1
4.65
TYP
300
125
250
500
150
250
250
237
120
430
150
650
2.9
0.8
5.5
0.08
0.08
0.08
0.08
LTC4240
55
55
28
50
1
–1200
– 800
MAX
1000
1000
11.4
4.75
–17
600
250
350
800
100
100
600
500
400
200
100
300
100
3.0
0.8
1.5
6.5
0.4
0.4
0.8
1.1
10
55
0.1
2
2
2
2
UNITS
3
4240f
kHz
mV
mV
mA
mA
mA
mA
mA
mA
V
V
C
V
V
V
V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
V
V
V
V
V
V
s
s
s