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ISL6227CAZ View Datasheet(PDF) - Intersil

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Description
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ISL6227CAZ Datasheet PDF : 28 Pages
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ISL6227
Absolute Maximum Ratings
Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6.5V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +25.0V
PHASE, UGATE . . . . . . . . . . . . . . . . . . . .GND-5V (Note 1) to 33.0V
BOOT, ISEN . . . . . . . . . . . . . . . . . . . . . . . . . . . GND-0.3V to +33.0V
BOOT with Respect to PHASE . . . . . . . . . . . . . . . . . . . . . . . . + 6.5V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to VCC + 0.3V
Recommended Operating Conditions
Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V ± 5%
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . .+5.0V to +24.0V
Ambient Temperature Range . . . . . . . . . . . . . . . . . -10°C to +100°C
Junction Temperature Range . . . . . . . . . . . . . . . . . -10°C to +125°C
Thermal Information
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
SSOP Package (Note 2). . . . . . . . . . . . . .
80
N/A
QFN Package(Notes 3, 4) . . . . . . . . . . . .
36
6
Maximum Junction Temperature (Plastic Package). . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
CAUTION: Stresses 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 sections of this specification is not implied.
NOTES:
1. 250ns transient. See Confining The Negative Phase Node Voltage Swing in Application Information Section
2. θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
3. 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.
4. 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 Noted.
PARAMETER
SYMBOL
TEST CONDITIONS
VCC SUPPLY
Bias Current
Shut-down Current
VCC UVLO
ICC
ICCSN
LGATEx, UGATEx Open, VSENx forced above
regulation point, VIN > 5V
Rising VCC Threshold
Falling VCC Threshold
VIN
Input Voltage Pin Current (Sink)
Shut-Down Current
OSCILLATOR
VCCU
VCCD
IVIN
IVINS
PWM1 Oscillator Frequency
Fc
Commercial, ISL6227C
Industrial, ISL6227I
Ramp Amplitude, pk-pk
Ramp Amplitude, pk-pk
Ramp Offset
Ramp/VIN Gain
Ramp/VIN Gain
REFERENCE AND SOFT-START
VR1
VR2
VROFF
GRB1
GRB2
VIN = 16V, by design
VIN = 5V, by design
By design
VIN 4.2V, by design
VIN 4.1V by design
Internal Reference Voltage
Reference Voltage Accuracy
VREF
Soft-Start Current During Start-Up
Soft-Start Complete Threshold
ISOFT
VST
By design
MIN
TYP MAX UNITS
-
1.8
3.0
mA
-
-
1
μA
4.3
4.45
4.5
V
4
4.14 4.34
V
-
-
35
μA
-
-
1
μA
255
300
345
kHz
240
300
345
kHz
-
2
-
V
-
0.625
-
V
-
1
-
V
-
125
-
mV/V
-
250
-
mV/V
-
0.9
-
V
-1.0
-
+1.0
%
-
-4.5
-
μA
-
1.5
-
V
3
FN9094.4
December 21, 2006
 

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