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ISL6265 Datasheet, PDF (7/24 Pages) Intersil Corporation – Multi-Output Controller with Integrated MOSFET Drivers for AMD SVI Capable
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ISL6265
Electrical Specifications
VCC = PVCC = 5V, VIN = 12V, TA = -10°C to +100°C; Parameters with MIN and/or MAX limits are 100% tested
at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production
tested. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
CORE CURRENT SENSE (Note 3)
Current Imbalance Threshold
Di
-
4
-
mV
Input Bias Current
-
20
-
nA
RTN1 Threshold
-
0.8
-
V
SOFT START/VID-ON-THE-FLY
Soft-Start Voltage Transition
VSS
VID on the Fly Transition
1.25 1.875 2.50 mV/µs
5
7.5 10 mV/µs
GATE DRIVER DRIVING CAPABILITY [CORE AND NB]
UGATE Source Resistance (Note 4)
RSRC(UGATE) 500mA Source Current
UGATE Source Current (Note 4)
ISRC(UGATE) VUGATE_PHASE = 2.5V
UGATE Sink Resistance (Note 4)
RSNK(UGATE) 500mA Sink Current
UGATE Sink Current (Note 4)
ISNK(UGATE) VUGATE_PHASE = 2.5V
LGATE Source Resistance (Note 4)
RSRC(LGATE) 500mA Source Current
LGATE Source Current (Note 4)
ISRC(LGATE) VLGATE = 2.5V
LGATE Sink Resistance (Note 4)
RSNK(LGATE) 500mA Sink Current
LGATE Sink Current (Note 4)
ISNK(LGATE) VLGATE = 2.5V
UGATE to PHASE Resistance (Note 3) Rp(UGATE)
GATE DRIVER SWITCHING TIMING (Note 3) (Refer to “ISL6265 Gate Driver Timing Diagram” on page 8)
-
1
1.5
Ω
-
2
-
A
-
1
1.5
Ω
-
2
-
A
-
1
1.5
Ω
-
2
-
A
-
0.5 0.9
Ω
-
4
-
A
-
1
-
kΩ
UGATE Rise Time
LGATE Rise Time
UGATE Fall Time
LGATE Fall Time
UGATE Turn-on Propagation Delay
LGATE Turn-on Propagation Delay
BOOTSTRAP DIODE
tRU
tRL
tFU
tFL
tPDHU
tPDHL
PVCC = 5V, 3nF Load
PVCC = 5V, 3nF Load
PVCC = 5V, 3nF Load
PVCC = 5V, 3nF Load
PVCC = 5V, Outputs Unloaded
PVCC = 5V, Outputs Unloaded
-
8.0
-
ns
-
8.0
-
ns
-
8.0
-
ns
-
4.0
-
ns
-
36
-
ns
-
20
-
ns
Forward Voltage
Leakage
POWER GOOD AND PROTECTION MONITOR
VDDP = 5V, Forward Bias Current = 2mA
VR = 16V
0.43 0.58 0.67 V
-
-
1
µA
PGOOD Low Voltage
PGOOD Leakage Current
PGOOD High After Soft-Start
PGOOD Low After Fault
VOL
IPGOOD = 4mA
IOH
PGOOD = 5V
Enable to PGOOD High, VCOREx = 1.1V
Fault to PGOOD Low
-
0.2 0.5
V
-1
-
1
µA
570 700 1010 µs
160 208 250 µs
Undervoltage Threshold
UVH
Overvoltage Threshold
OVHS
OVERCURRENT PROTECTION VDD0 AND VDD1
VCOREx falls below set-point for 208μs
VO rising above threshold > 0.5µs
240 295 350 mV
1.770 1.795 1.820 V
OCSET Reference Voltage
(VISPx - VISNx)
OVERCURRENT PROTECTION VDD_NB
VOCSET = 180mV; VIN = 15.5V
5
6.0
7
mV
OCSET_NB OCP Current
RBIAS pin to GND = 117kΩ; Trips after 8 PWM cycles 9.2 10 10.8 µA
7
FN6599.1
May 13, 2009
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