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ISL6326B Fiches technique(PDF) 8 Page - Intersil Corporation

No de pièce ISL6326B
Description  4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision DCR Differential Current Sensing
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Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6326B Fiches technique(HTML) 8 Page - Intersil Corporation

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8
FN9286.0
April 21, 2006
Leakage Current of VR_HOT
With externally pull-up resistor connected to VCC
-
-
30
µA
VR_HOT Low Voltage
With 1.25k resistor pull-up to VCC, IVR_HOT = 4mA
-
-
0.4
V
VR READY AND PROTECTION MONITORS
Leakage Current of VR_RDY
With externally pull-up resistor connected to VCC
-
-
30
μA
VR_RDY Low Voltage
IVR_RDY = 4mA
-
-
0.4
V
Undervoltage Threshold
VDIFF Falling
48
50
52
%VID
VR_RDY Reset Voltage
VDIFF Rising
58
60
62
%VID
Overvoltage Protection Threshold
Before valid VID
1.250
1.275
1.300
V
After valid VID, the voltage above VID
150
175
200
mV
Overvoltage Protection Reset Hysteresis
-
100
-
mV
NOTES:
3. These parts are designed and adjusted for accuracy with all errors in the voltage loop included.
4. Spec guaranteed by design.
5. During soft-start, VDAC rises from 0 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.
Electrical Specifications
Operating Conditions: VCC = 5V, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6326B


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