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6265AHRTZ Просмотр технического описания (PDF) - Intersil

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6265AHRTZ Multi-Output Controller with Integrated MOSFET Drivers for AMD SVI Capable Mobile CPUs Intersil
Intersil Intersil
6265AHRTZ Datasheet PDF : 23 Pages
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ISL6265A
Electrical Specifications
VCC = PVCC = 5V, VIN = 12V, TA = -10°C to +100°C, Unless Otherwise Specified. 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
Current Imbalance Threshold
-
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
Rp(UGATE)
GATE DRIVER SWITCHING TIMING (Refer to “ISL6265A 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 (Note 3)
LGATE Rise Time (Note 3)
UGATE Fall Time (Note 3)
LGATE Fall Time (Note 3)
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
-
-
5
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
VCOREx falls below set-point for 208µs
Overvoltage Threshold
OVHS VO rising above threshold > 0.5µs
OVERCURRENT PROTECTION VDD0 AND VDD1
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
FN6884.0
May 11, 2009
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