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ISL6566A Datasheet(PDF) 5 Page - Intersil Corporation

Part No. ISL6566A
Description  Three-Phase Buck PWM Controller with Two Integrated MOSFET Drivers and One External Driver Signal
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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 5 page
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5
FN9200.2
July 27, 2005
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Supply Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V
Absolute Boot Voltage, VBOOT . . . . . . . . GND - 0.3V to GND + 36V
Phase Voltage, VPHASE . . . . . . . . GND - 0.3V to 15V (PVCC = 12)
GND - 8V (<400ns, 20µJ) to 24V (<200ns, VBOOT-PHASE = 12V)
Upper Gate Voltage, VUGATE . . . . VPHASE - 0.3V to VBOOT + 0.3V
VPHASE - 3.5V (<100ns Pulse Width, 2µJ) to VBOOT + 0.3V
Lower Gate Voltage, VLGATE. . . . . . . . GND - 0.3V to PVCC + 0.3V
GND - 5V (<100ns Pulse Width, 2µJ) to PVCC+ 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . Class I JEDEC STD
Recommended Operating Conditions
VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V
±5%
PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V
±5%
Ambient Temperature (ISL6566ACR, ISL6566ACRZ) . . 0°C to 70°C
Ambient Temperature (ISL6566AIR, ISL6566AIRZ) . .-40°C to 85°C
Thermal Information
Thermal Resistance
θJA (°C/W) θJC (°C/W)
QFN Package (Notes 1, 2) . . . . . . . . . .
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
Recommended Operating Conditions, Unless Otherwise Specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
IVCC; ENLL = high
-
15
20
mA
Gate Drive Bias Current
IPVCC; ENLL = high
-
1.06
-
mA
VCC POR (Power-On Reset) Threshold
VCC Rising
4.25
4.38
4.50
V
VCC Falling
3.75
3.88
4.00
V
PVCC POR (Power-On Reset) Threshold
PVCC Rising
4.25
4.38
4.50
V
PVCC Falling
3.60
3.88
4.00
V
Oscillator Ramp Amplitude (Note 3)
VPP
-1.50
-
V
Maximum Duty Cycle (Note 3)
-
66.6
-
%
Oscillator Frequency, FSW
RT = 100kΩ (± 0.1%)
225
250
275
kHz
CONTROL THRESHOLDS
ENLL Rising Threshold
-0.66
-
V
ENLL Hysteresis
-
100
-
mV
EN_PH3 Rising Threshold
1.190
1.220
1.250
V
EN_PH3 Falling Threshold
1.000
1.045
1.090
V
COMP Shutdown Threshold
COMP Falling
0.2
0.3
0.4
V
REFERENCE AND DAC
System Accuracy (VID = 1.0V - 1.850V)
-0.5
-
0.5
%
System Accuracy (VID = 0.8V - 1.0V)
-0.8
-
0.8
%
DAC Input Low Voltage (VR9, VR10)
--
0.4
V
DAC Input High Voltage (VR9, VR10)
0.8
-
-
V
DAC Input Low Voltage (AMD)
--
0.6
V
ISL6566A
ISL6566A




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