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ISL6326B Datasheet(Fiches technique) 6 Page - Intersil Corporation

Numéro de pièce ISL6326B
Description  4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision DCR Differential Current Sensing
Télécharger  30 Pages
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Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
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 6 page
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6
FN9286.0
April 21, 2006
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+6V
All Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to VCC + 0.3V
ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . .>2kV
ESD (Machine Model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>200V
ESD (Charged Device Model) . . . . . . . . . . . . . . . . . . . . . . . . >1.5kV
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Ambient Temperature (ISL6326BCRZ) . . . . . . . . . . . . . 0°C to 70°C
Ambient Temperature (ISL6326BIRZ) . . . . . . . . . . . . .-40°C to 85°C
Thermal Information
Thermal Resistance (Notes 1, 2)
θJA (°C/W) θJC (°C/W)
QFN Package. . . . . . . . . . . . . . . . . . . .
32
3.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational section of this specification is not implied.
NOTES:
1.
θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379
2. For
θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Operating Conditions: VCC = 5V, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
VCC = 5VDC; EN_PWR = 5VDC; RT = 100kΩ,
ISEN1 = ISEN2 = ISEN3 = ISEN4 = -70
μA
-18
26
mA
Shutdown Supply
VCC = 5VDC; EN_PWR = 0VDC; RT = 100kΩ
-14
21
mA
POWER-ON RESET AND ENABLE
POR Threshold
VCC Rising
4.3
4.5
4.7
V
VCC Falling
3.7
3.9
4.2
V
EN_PWR Threshold
Rising
0.850
0.875
0.910
V
Hysteresis
-
130
-
mV
Falling
0.720
0.745
0.775
V
EN_VTT Threshold
Rising
0.850
0.875
0.910
V
Hysteresis
-
130
-
mV
Falling
0.720
0.745
0.775
V
REFERENCE VOLTAGE AND DAC
System Accuracy of ISL6326BCRZ
(VID = 1V-1.6V, TJ = 0°C to 70°C)
(Note 3)
-0.5
-
0.5
%VID
System Accuracy of ISL6326BCRZ
(VID = 0.5V-1V, TJ = 0°C to 70°C)
(Note 3)
-0.9
-
0.9
%VID
System Accuracy of ISL6326BIRZ
(VID = 1V-1.6V, TJ = -40°C to 85°C)
(Note 3)
-0.6
-
0.6
%VID
System Accuracy of ISL6326BIRZ
(VID = 0.5V-1V, TJ = -40°C to 85°C)
(Note 3)
-1
-
1
%VID
VID Pull Up
-60
-40
-20
µA
VID Input Low Level
--
0.4
V
VID Input High Level
0.8
-
-
V
VRSEL Input Low Level
--
0.4
V
VRSEL Input High Level
0.8
-
-
V
DAC Source Current
-4
7
mA
ISL6326B




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