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參數(shù)資料
| 型號(hào)： | ISL6563CRZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Two-Phase Multi-Phase Buck PWM Controller with Integrated MOSFET Drivers |
| 中文描述： | SWITCHING CONTROLLER, 255 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, MO-220-VGGD-2, QFN-24 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 516K |
| 代理商： | ISL6563CRZ |
5
FN9126.6
April 13, 2005
Timing Diagram
Functional Pin Description
VCC (Pin 8)
Bias supply for the IC’s small-signal circuitry. Connect this
pin to a 5V supply and locally decouple using a quality 0.1
μ
F
ceramic capacitor.
PVCC (Pin 16)
Power supply pin for the MOSFET drives. Connect this pin to
a 5V supply and locally decouple using a quality 1
μ
F
ceramic capacitor.
GND and PGND (Pins 25 and 14)
Connect these pins to the circuit ground using the shortest
possible paths. All internal small-signal circuitry is
referenced to the GND pin. LGATE drive is referenced to the
PGND pin.
VID0-4 (Pins 2, 1, 24-22)
Voltage identification inputs from microprocessor. These pins
respond to TTL logic thresholds. The ISL6563 decodes the
VID inputs to establish the output voltage; see VID Tables for
correspondence between DAC codes and output voltage
OVERCURRENT PROTECTION
Overcurrent Trip Level
-
95
-
μ
A
PROTECTION
Overvoltage Threshold while IC Disabled
VRM9.0 configuration
1.90
1.95
2.00
V
Hammer and VRM10.0 configurations
1.60
1.65
1.70
V
Overvoltage Threshold
FB Rising
-
VID
+200mV
-
V
Overvoltage Hysteresis
-
100
-
mV
SWITCHING TIME
UGATE Rise Time (Note 6)
t
RUGATE;
V
VCC
= 5V, 3nF Load
-
8
-
ns
LGATE Rise Time (Note 6)
t
RLGATE;
V
VCC
= 5V, 3nF Load
-
8
-
ns
UGATE Fall Time (Note 6)
t
FUGATE;
V
VCC
= 5V, 3nF Load
-
8
-
ns
LGATE Fall Time (Note 6)
t
FLGATE;
V
VCC
= 5V, 3nF Load
-
4
-
ns
UGATE Turn-On Non-overlap (Note 6)
t
PDHUGATE
; V
VCC
= 5V, 3nF Load
-
8
-
ns
LGATE Turn-On Non-overlap (Note 6)
t
PDHLGATE
; V
VCC
= 5V, 3nF Load
-
8
-
ns
OUTPUT
Upper Drive Source Resistance
100mA Source Current
-
0.5
1.3
Upper Drive Sink Resistance
100mA Sink Current
-
0.4
1.0
Lower Drive Source Resistance
100mA Source Current
-
0.5
1.3
Lower Drive Sink Resistance
100mA Sink Current
-
0.3
1.0
NOTES:
5. Parameter magnitude at T
J
= -40°C determined through characterization.
6. Parameter magnitude guaranteed by design.
Electrical Specifications
Test Conditions: V
CC
= 5V, T
J
= 0°C to 85°C, Unless Otherwise Specified
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
UGATE
LGATE
t
FLGATE
t
PDHUGATE
t
RUGATE
t
FUGATE
t
PDHLGATE
t
RLGATE
ISL6563
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