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ISL6529 Datasheet(PDF) 5 Page - Intersil Corporation

Part No. ISL6529
Description  Dual Regulator.Synchronous Rectified Buck PWM and Linear Power Controller
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6529 Datasheet(HTML) 5 Page - Intersil Corporation

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5
FN9070.5
April 12, 2005
ISL6529, ISL6529A
Absolute Maximum Ratings
Thermal Information
UGATE, LGATE, DRIVE2,. . . . . . . . . . . . . . . GND - 0.3V to 12VCC
5VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V
12VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14V
FB, FB2, COMP, . . . . . . . . . . . . . . . . . GND - 0.3V to 5VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 4kV
Operating Conditions
Supply Voltage on 5VCC . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%
Supply Voltage on 12VCC . . . . . . . . . . . . . . . . . . . . . . . +12V ±10%
Supply Voltage to drain of Upper MOSFETs . . . +3.3V to +5V ±10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Junction Temperature Range . . . . . . . . . . . . . . . . . . . 0°C to 125°C
Thermal Resistance
θJA (°C/W) θJC (°C/W)
SOIC Package (Note 1) . . . . . . . . . . . .
68
NA
QFN Package (Notes 2, 3). . . . . . . . . .
36
5
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(SOIC - Lead Tips Only)
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.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2.
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.
3.
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. Refer to Block and Simplified Power System
Diagrams, and Typical Application Schematic
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply Current 12VCC
ICC
UGATE, LGATE and DRIVE2 Open
-
2.7
3.0
mA
Nominal Supply Current 5VCC
ICC
UGATE, LGATE and DRIVE2 Open
-
3.5
4.5
mA
POWER-ON RESET
Rising 5VCC Threshold
12VCC = 12V
4.25
4.4
4.5
V
Falling 5VCCThreshold
12VCC = 12V
3.75
3.82
4.0
V
Rising 12VCC Threshold
5VCC = 5V
9.6
10.3
10.8
V
Falling 12VCCThreshold
5VCC = 5V
9.3
9.6
10.2
V
OSCILLATOR AND SOFT-START
Free Running Frequency
FOSC
550
600
650
kHz
Ramp Amplitude
DVOSC
-1.5
-
VP-P
Soft-Start Interval
TSS
3.1
3.45
3.75
ms
REFERENCE VOLTAGE
Reference Voltage
VREF
-0.800
-
V
System Accuracy
ISL6529C
-2.0
-
+2.0
%
ISL6529AC
-1.0
-
+1.0
%
PWM CONTROLLER ERROR AMPLIFIER
DC Gain
RL = 10K, CL = 10pF
-
80
-
dB
Gain-Bandwidth Product
GBWP
RL = 10K, CL = 10pF
-
15
-
MHz
Slew Rate
SR
RL = 10K, CL = 10pF
-
6
-
V/
µs
FB Input Current
II
VFB = 0.8V
-
20
150
nA
COMP High Output Voltage
VOUT High
3.0
4.5
-
V
COMP Low Output Voltage
VOUT Low
-
0.5
1.0
V
COMP High Output, Source Current
IOUT High
-2.5
-6.8
-
mA


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