參數(shù)資料
型號: 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): 11/19頁
文件大小: 516K
代理商: ISL6563CRZ
11
FN9126.6
April 13, 2005
DYNAMIC VID (VID-ON-THE-FLY)
The ISL6563 is capable of executing on-the-fly output
voltage changes. The way the ISL6563 reacts to a change in
the VID code is dependent on the VID configuration. In
VRM9 or AMD Hammer settings, the ISL6563 checks for a
change in the VID code four times each switching cycle. The
VID code is the bit pattern present at pins VID4-VID0. If a
new code is established and it stays the same for 12
switching cycles, the ISL6563 begins changing the reference
by making one step change every four switching cycles until
it reaches the new VID code. Figure 5 depicts such a
transition, from 1.5V to 1.7V
TABLE 3. VRM10 VOLTAGE IDENTIFICATION CODES
VID4
VID3
VID2
VID1
VID0
VID5
VDAC
1
1
1
1
1
1
Off
1
1
1
1
1
0
Off
0
1
0
1
0
0
0.8375
0
1
0
0\
1
1
0.8500
0
1
0
0
1
0
0.8625
0
1
0
0
0
1
0.8750
0
1
0
0
0
0
0.8875
0
0
1
1
1
1
0.9000
0
0
1
1
1
0
0.9125
0
0
1
1
0
1
0.9250
0
0
1
1
0
0
0.9375
0
0
1
0
1
1
0.9500
0
0
1
0
1
0
0.9625
0
0
1
0
0
1
0.9750
0
0
1
0
0
0
0.9875
0
0
0
1
1
1
1.0000
0
0
0
1
1
0
1.0125
0
0
0
1
0
1
1.0250
0
0
0
1
0
0
1.0375
0
0
0
0
1
1
1.0500
0
0
0
0
1
0
1.0625
0
0
0
0
0
1
1.0750
0
0
0
0
0
0
1.0875
1
1
1
1
0
1
1.1000
1
1
1
1
0
0
1.1125
1
1
1
0
1
1
1.1250
1
1
1
0
1
0
1.1375
1
1
1
0
0
1
1.1500
1
1
1
0
0
0
1.1625
1
1
0
1
1
1
1.1750
1
1
0
1
1
0
1.1875
1
1
0
1
0
1
1.2000
1
1
0
1
0
0
1.2125
1
1
0
0
1
1
1.2250
1
1
0
0
1
0
1.2375
1
1
0
0
0
1
1.2500
1
1
0
0
0
0
1.2625
1
0
1
1
1
1
1.2750
1
0
1
1
1
0
1.2875
1
0
1
1
0
1
1.300
1
0
1
1
0
0
1.3125
1
0
1
0
1
1
1.3250
1
0
1
0
1
0
1.3375
1
0
1
0
0
1
1.3500
1
0
1
0
0
0
1.3625
1
0
0
1
1
1
1.3750
1
0
0
1
1
0
1.3875
1
0
0
1
0
1
1.4000
1
0
0
1
0
0
1.4125
1
0
0
0
1
1
1.4250
1
0
0
0
1
0
1.4375
1
0
0
0
0
1
1.4500
1
0
0
0
0
0
1.4625
0
1
1
1
1
1
1.4750
0
1
1
1
1
0
1.4875
0
1
1
1
0
1
1.5000
0
1
1
1
0
0
1.5125
0
1
1
0
1
1
1.5250
0
1
1
0
1
0
1.5375
0
1
1
0
0
1
1.5500
0
1
1
0
0
0
1.5625
0
1
0
1
1
1
1.5750
0
1
0
1
1
0
1.5875
0
1
0
1
0
1
1.6000
TABLE 3. VRM10 VOLTAGE IDENTIFICATION CODES
(Continued)
VID4
VID3
VID2
VID1
VID0
VID5
VDAC
FIGURE 5. TYPICAL DYNAMIC-VID OPERATION, VRM9 DAC
SETTING
1.5V
V
VID
01110
00110
1.5V
VID CHANGE OCCURS HERE
V
REF
(100mV/DIV)
V
OUT
(100mV/DIV)
ISL6563
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