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ISL6334 Datasheet

  • ISL6334

  • Intersil Corporation [VR11.1, 4-Phase PWM Controller with L...

  • 559.14KB

  • INTERSIL   INTERSIL

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ISL6334, ISL6334A
Electrical Specifications
PARAMETER
THERMAL MONITORING AND FAN CONTROL
TM Input Voltage for VR_FAN Trip
TM Input Voltage for VR_FAN Reset
TM Input Voltage for VR_HOT Trip
TM Input Voltage for VR_HOT Reset
Leakage Current of VR_FAN
VR_FAN Low Voltage
Leakage Current of VR_HOT
VR_HOT Low Voltage
VR READY AND PROTECTION MONITORS
Leakage Current of VR_RDY
VR_RDY Low Voltage
Undervoltage Threshold
VR_RDY Reset Voltage
Overvoltage Protection Threshold
With pull-up resistor externally connected to VCC
I
VR_RDY
= 4mA
VDIFF Falling
VDIFF Rising
Before valid VID
After valid VID, the voltage above VID
Overvoltage Protection Reset Hysteresis
NOTES:
3. These parts are designed and adjusted for accuracy with all errors in the voltage loop included.
4. Limits should be considered typical and are not production tested.
5. During soft-start, VDAC rises from 0V to 1.1V first and then ramp to VID voltage after receiving valid VID.
6. Soft-start ramp rate is determined by the adjustable soft-start oscillator frequency at the speed of 6.25mV per cycle.
7. Parts are 100% tested at +25掳C. Temperature limits established by characterization and are not production tested.
-
-
48
57
1.250
158
-
-
-
50
59.6
1.273
175
100
5
0.3
52
62
1.300
190
-
碌A
V
%VID
%VID
V
mV
mV
With external pull-up resistor connected to VCC
With 1.24k resistor pull-up to VCC, I
VR_FAN
= 4mA
With external pull-up resistor connected to VCC
With 1.24k resistor pull-up to VCC, I
VR_HOT
= 4mA
38.7
44.6
32.9
38.7
-
-
-
-
39.1
45.1
33.3
39.1
-
-
-
-
39.6
45.5
33.7
39.6
5
0.3
5
0.3
%VCC
%VCC
%VCC
%VCC
碌A
V
碌A
V
Operating Conditions: VCC = 5V, Unless Otherwise Specified.
(Continued)
TEST CONDITIONS
MIN
(Note 7)
TYP
MAX
(Note 7)
UNITS
10
FN6482.0
February 26, 2008

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