ISL6112IRZA 查看數據表（PDF） - Renesas Electronics
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ISL6112IRZA Datasheet PDF : 30 Pages
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ISL6112
Electrical Specifications 12VIN = 12V, 3VIN = 3.3V, VSTBY = 3.3V, TA = TJ = -40°C to +85°C, unless otherwise noted. Boldface
limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
CONDITION
MIN
MAX
(Note 7) TYP (Note 7) UNITS
CFILTER OVERCURRENT DELAY TIME PINS 2 AND 35 FLOATING
CFILTER Threshold Voltage
VFILTER
1.20
1.25
1.30
V
CFILTER Charging Current
Nominal Current Limit Duration =
CCFILTER x 550k
IFILTER
VXVIN – VXSENSE > VTHILIMIT
2
2.5
3
µA
tFILTER
CFILTER Open
10
µs
Current Limit Threshold Voltages
VTHILIMIT VXIN – VXVSENSE
47.5
50
52.5
mV
Fast-Trip Threshold Voltages
VTHFAST
VXVIN – VXVSENSE
85
100
115
mV
XVSENSE Input Current
ISENSE
0.1
µA
LOW-Level Input Voltage ON, AUXEN,
VIL
GPI, FORCE_ON, PRSNT
0.8
V
Output LOW Voltage FAULT, PWRGD
VOL
IOL = 3mA
0.4
V
HIGH-Level Input Voltage ON, AUXEN,
VIH
GPI, FORCE_ON
2.1
5
V
Internal Pull-ups to VSTBY
RPULL-UP
40
50
kΩ
12VIN, 3VIN Input Leakage Current
ILKG,OFF XVIN VSTBY = +3.3V, 12VIN = OFF; 3VIN = OFF
0.5
1
µA
Input Leakage Current, ON, AUXEN,
IIL
FORCE_ON
-2
2
µA
Off-State Leakage Current FAULT,
PWRGD, GPI
ILKG(OFF) GPI ILKG for these two pins measured with
-2
VAUX OFF
2
µA
Over-temperature Shutdown and
TOV
TJ increasing, each slot
Reset Thresholds, with Overcurrent On
Slot
TJ decreasing, each slot
140
°C
130
°C
Over-temperature Shutdown and
Reset Thresholds, All Other Conditions
(All Outputs Will Latch Off)
TJ increasing, each slot
TJ decreasing, each slot
160
°C
150
°C
Output MOSFET Resistance VAUX
MOSFET
rDS(AUX)
IDS = 375mA
350
mΩ
Off-State Output Offset Voltage VAUX
VOFF(VAUX) VAUX = Off
25
40
mV
Regulated Current Level
ILIM(AUX)
0.8
1
1.2
A
Output Discharge Resistance
RDIS(12V) 12VOUT = 6.0V
1400 1850
Ω
RDIS(3V)
3VOUT = 1.65V
140
180
Ω
RDIS(VAUX) 3VAUX = 1.65V
350
400
Ω
12V Current Limit Response Time
(See “Typical Application Diagram” on
page 2).
tOFF(12V)
CGATE = 25pF
VIN – VSENSE = 140mV
1
2.1
µs
3.3V Current Limit Response Time
(See “Typical Application Diagram” on
page 2).
tOFF(3V)
CGATE = 25pF
VIN – VSENSE = 140mV
0.3
1
µs
VAUX Current Limit Response Time
(See “Typical Application Diagram” on
page 2).
tSC
VAUX = 0V, VSTBY = +3.3V
2.5
µs
Delay from MAIN Overcurrent to FAULT
tPROP
CFILTER = 0
Output
(12V FAULT or 3V VIN – VSENSE = 140mV
FAULT)
1
µs
FN6456 Rev 1.00
August 25, 2011
Page 8 of 30
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