ISL6112 INTERSIL [Intersil Corporation], ISL6112 Datasheet - Page 7

• Manufacturer Part Number: ISL6112
• Description: Dual Slot PCI-Express Power Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
CFILTER OVERCURRENT DELAY TIME PINS 2 AND 35 FLOATING
CFILTER Threshold Voltage
CFILTER Charging Current
Nominal Current Limit Duration =
C
Current Limit Threshold Voltages
Fast-Trip Threshold Voltages
XVSENSE Input Current
LOW-Level Input Voltage ON,
AUXEN, GPI, FORCE_ON, PRSNT
Output LOW Voltage FAULT,
PWRGD
HIGH-Level Input Voltage ON,
AUXEN, GPI, FORCE_ON
Internal Pull-ups to VSTBY (Note 5)
12VIN, 3VIN Input Leakage Current
Input Leakage Current, ON, AUXEN,
FORCE_ON
Off-State Leakage Current FAULT,
PWRGD, GPI
Over-temperature Shutdown and
Reset Thresholds, with Overcurrent
On Slot
Over-temperature Shutdown and
Reset Thresholds, All Other
Conditions (All Outputs Will Latch Off)
Output MOSFET Resistance VAUX
MOSFET
Off-State Output Offset Voltage VAUX
Regulated Current Level
Output Discharge Resistance
12V Current Limit Response Time
(See “Typical Application Diagram”
on page 9).
3.3V Current Limit Response Time
(See “Typical Application Diagram”
on page 9).
VAUX Current Limit Response Time
(See “Typical Application Diagram”
on page 9).
Delay from MAIN Overcurrent to
FAULT Output
Delay from VAUX Overcurrent to
FAULT Output
ON, AUXEN, PRSNT Minimum Pulse
Width
Power-On Reset Time after VSTBY
Becomes Valid
CFILTER
x 550k
PARAMETER
7
12VIN = 12V, 3VIN = 3.3V, VSTBY = 3.3V, T
(12V FAULT or 3V
ILKG,OFF XVIN
(VAUXFAULT)
VOFF(VAUX)
RDIS(VAUX)
RPULL-UP
ILKG(OFF)
RDIS(12V)
VTHILIMIT
tOFF(12V)
ILIM(AUX)
VTHFAST
SYMBOL
r
RDIS(3V)
tOFF(3V)
VFILTER
ISENSE
IFILTER
tFILTER
DS
FAULT)
tPROP
tPROP
tPOR
TOV
VOL
VIH
tSC
VIL
(AUX)
tW
IIL
VXVIN – VXSENSE > VTHILIMIT
CFILTER Open
VXIN – VXVSENSE
VXVIN – VXVSENSE
IOL = 3mA
VSTBY = +3.3V, 12VIN = OFF; 3VIN = OFF
GPI ILKG for these two pins measured with
VAUX OFF
T
T
T
T
IDS = 375mA
VAUX = Off
12VOUT = 6.0V
3VOUT = 1.65V
3VAUX = 1.65V
CGATE = 25pF
VIN – VSENSE = 140mV
CGATE = 25pF
VIN – VSENSE = 140mV
VAUX = 0V, VSTBY = +3.3V
CFILTER = 0
VIN – VSENSE = 140mV
I
VAUX Output Grounded
(Note 5)
(Note 5)
LIM(AUX)
J
J
J
J
increasing, each slot (Note 5)
decreasing, each slot (Note 5)
increasing, each slot (Note 5)
decreasing, each slot (Note 5)
ISL6112
to FAULT output CFILTER = 0
CONDITION
A
= T
J
= -40°C to +85°C, Unless Otherwise Noted. (Continued)
1.20
47.5
MIN
2.1.
0.8
85
-2
-2
2
1400
TYP
1.25
100
140
130
160
150
140
350
100
250
2.5
0.1
0.5
0.3
2.5
10
50
40
25
1
1
1
1
September 28, 2007
MAX
1850
1.30
52.5
115
350
180
400
0.8
0.4
1.2
2.1
50
40
3
5
1
2
2
1
FN6456.0
UNITS
mΩ
mV
mV
mV
µA
µA
kΩ
µA
µA
µA
µs
°C
°C
°C
°C
µs
µs
µs
µs
µs
ns
µs
Ω
Ω
Ω
V
V
V
V
A