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參數(shù)資料
| 型號： | ISL6563 |
| 廠商： | Intersil Corporation |
| 英文描述： | Two-Phase Multi-Phase Buck PWM Controller with Integrated MOSFET Drivers |
| 中文描述： | 兩相的多相降壓PWM控制器集成MOSFET驅(qū)動器 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 516K |
| 代理商： | ISL6563 |
4
FN9126.6
April 13, 2005
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +7V
Absolute Boot Voltage, V
BOOT
. . . . . PGND - 0.3V to PGND + 27V
Phase Voltage, V
PHASE
. . . . . . . . . . V
BOOT
- 7V to V
BOOT
+ 0.3V
Upper Gate Voltage, V
UGATE
. . . .V
PHASE
- 0.3V to V
BOOT
+ 0.3V
Lower Gate Voltage, V
LGATE
. . . . . . . . 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
QFN Package (Notes 3, 4). . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
θ
JA
(°C/W)
43
θ
JC
(°C/W)
7
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:
3.
θ
JA
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
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Test Conditions: V
CC
= 5V, T
J
= 0°C to 85°C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
I
VCC
; 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
-
4.2
-
V
PVCC Falling
-
3.3
-
V
Switching Frequency (per channel)
(Note 5)
T
J
= 25°C to 85°C
189
222
255
kHz
T
J
= -40°C
166
205
241
kHz
Oscillator Ramp Amplitude (Note 6)
V
PP
-
1.33
-
V
Maximum Duty Cycle (Note 6)
-
66
-
%
CONTROL THRESHOLDS
ENLL Rising Threshold
-
0.61
-
V
ENLL Hysteresis (Note 6)
-
60
-
mV
COMP Shutdown Threshold
0.23
0.36
0.49
V
COMP Shutdown Maximum Pull-Down Impedance
-
-
15
REFERENCE AND DAC
System Accuracy
-1
-
1
%
T
J
= -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
-
μ
A
ERROR AMPLIFIER
DC Gain (Note 5)
R
L
= 10K to ground
-
96
-
dB
Gain-Bandwidth Product (Note 6)
C
L
= 100pF, R
L
= 10K to ground
C
L
= 100pF, Load =
±
400
μ
A
-
20
-
MHz
Slew Rate (Note 6)
-
8
-
V/
μ
s
Maximum Output Voltage
Load = 1mA
3.90
4.20
-
V
Minimum Output Voltage
Load = -1mA
-
0.80
0.90
V
ISL6563
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