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ISL6315CR Datasheet(PDF) 4 Page - Intersil Corporation

Part # ISL6315CR
Description  Two-Phase Multiphase Buck PWM Controller with Integrated MOSFET Drivers
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6315CR Datasheet(HTML) 4 Page - Intersil Corporation

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4
FN9222.1
July 18, 2007
Absolute Maximum Ratings
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . -0.3V to +6.25V
Absolute Boot Voltage, VBOOT . . . . . PGND - 0.3V to PGND + 27V
Phase Voltage, VPHASE . . . . . . . . . . VBOOT - 7V to VBOOT + 0.3V
Upper Gate Voltage, VUGATE . . . . VPHASE - 0.3V to VBOOT + 0.3V
Lower Gate Voltage, VLGATE. . . . . . . . PGND - 0.3V to VCC + 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . HBM Class 1 JEDEC STD
Recommended Operating Conditions
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V
±5%
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Thermal Information
Thermal Resistance
θJA (°C/W) θJC (°C/W)
QFN Package (Notes 1, 2). . . . . . . . . .
45
7.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
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
Test Conditions: VCC = 5V, TJ = 0°C to +85°C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
IVCC; ENLL = high
-
4
6
mA
VCC POR (Power-On Reset) Threshold
VCC Rising
4.2
4.4
4.6
V
VCC Falling
3.7
3.9
4.1
V
PVCC POR (Power-On Reset) Threshold
PVCC Rising
-
4.3
-
V
PVCC Falling
-
3.3
-
V
Switching Frequency (per channel)
TJ = +25°C to +85°C
189
222
255
kHz
TJ = -40°C
166
205
241
kHz
Oscillator Ramp Amplitude
VP-P
-1.33
-
V
Maximum Duty Cycle (Note 3)
-67
-
%
CONTROL THRESHOLDS
ENLL Rising Threshold
-0.645
-
V
ENLL Falling Threshold
-0.567
-
mV
REFERENCE AND DAC
System Accuracy
-1
-
1
%
TJ = -40°C to +85°C
-1.5
-
1.5
%
DAC Input Low Voltage
--
0.4
V
DAC Input High Voltage
0.8
-
-
V
DAC Input Pull-Up Current
VIDx = 0V
-
45
-
μA
ERROR AMPLIFIER
DC Gain (Note 3)
RL = 10k to ground
-
96
-
dB
Gain-Bandwidth Product (Note 3)
CL = 100pF, RL = 10k to ground
-
20
-
MHz
Slew Rate (Note 3)
CL = 100pF, Load = ±400μA-
8
-
V/
μs
Maximum Output Voltage
Load = 1mA
3.90
4.20
-
V
Minimum Output Voltage
Load = -1mA
-
0.80
0.90
V
OVERCURRENT PROTECTION
Overcurrent Trip Level
72
95
115
μA
ISL6315
ISL6315


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