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参数资料
| 型号： | ISL6537A |
| 厂商： | Intersil Corporation |
| 英文描述： | ACPI Regulator/Controller for Dual Channel DDR Memory Systems |
| 中文描述： | ACPI的稳压器/双通道DDR内存控制器系统 |
| 文件页数： | 10/15页 |
| 文件大小： | 488K |
| 代理商： | ISL6537A |
4
FN9143.3
Absolute Maximum Ratings
Thermal Information
5VSBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V
P12V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14V
Absolute Boot Voltage, VBOOT . . . . . . . . . . . . . . . . . . . . . . . +15.0V
Upper Driver Supply Voltage, VBOOT - VPHASE . . . . . . . . . . . +6.0V
All other Pins . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 5VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD
Recommended Operating Conditions
Supply Voltage on 5VSBY . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%
Supply Voltage on P12V . . . . . . . . . . . . . . . . . . . . . . . . +12V ±10%
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0°C to 125°C
Thermal Resistance (Typical, Notes 1, 2)
θJA (°C/W) θJC (°C/W)
QFN Package . . . . . . . . . . . . . . . . . . .
32
5
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°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.
NOTE:
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
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System
Diagrams and Typical Application Schematics
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
5VSBY SUPPLY CURRENT
Nominal Supply Current
ICC_S0
S3# & S5# HIGH, UGATE/LGATE Open
5.5
7.0
8.0
mA
ICC_S5
S5# LOW, S3# Don’t Care, UGATE/LGATE Open
-
700
850
A
POWER-ON RESET
Rising 5VSBY POR Threshold
4.10
-
4.45
V
Falling 5VSBY POR Threshold
3.60
-
3.95
V
Rising P12V POR Threshold
10.0
-
10.5
V
Falling P12V POR Threshold
8.80
-
9.75
V
OSCILLATOR AND SOFT-START
PWM Frequency
fOSC
220
250
280
kHz
Ramp Amplitude
VOSC
-1.5
-
V
Soft-Start Interval
tSS
6.5
8.2
9.5
ms
REFERENCE VOLTAGE
Reference Voltage
VREF
-0.800
-
V
System Accuracy
-2.0
-
+2.0
%
VDDQ AND VGMCH PWM CONTROLLER ERROR AMPLIFIERS
DC Gain
Guaranteed By Design
-
80
-
dB
Gain-Bandwidth Product
GBWP
15
-
MHz
Slew Rate
SR
-
6
-
V/
s
CONTROL I/O (S3#, S5#)
LOW Level Input Threshold
0.75
-
V
HIGH Level Input Threshold
--
2.2
V
PWM CONTROLLER GATE DRIVERS
UGATE and LGATE Source
IGATE
--0.8-
A
UGATE and LGATE Sink
IGATE
-0.8
-
A
ISL6537A
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