參數(shù)資料
型號: ISL6556BCR
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application
中文描述: SWITCHING CONTROLLER, 1500 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 5 X 5 MM, PLASTIC, MO-220VHHD-2, QFN-32
文件頁數(shù): 13/24頁
文件大?。?/td> 692K
代理商: ISL6556BCR
13
FN9097.4
December 28, 2004
Load-Line Regulation
Some microprocessor manufacturers require a precisely-
controlled output resistance. This dependence of output
voltage on load current is often termed “droop” or “l(fā)oad line”
regulation. By adding a well controlled output impedance,
the output voltage can be level in the direction that works to
control the voltage spike coincident with fast load current
demand changes.
TABLE 1. VOLTAGE IDENTIFICATION (VID) CODES
VID4
VID3
VID2
VID1
VID0
VID12.5
VDAC
0
1
0
1
0
0
0.8375V
0
1
0
0
1
1
0.8500V
0
1
0
0
1
0
0.8625V
0
1
0
0
0
1
0.8750V
0
1
0
0
0
0
0.8875V
0
0
1
1
1
1
0.9000V
0
0
1
1
1
0
0.9125V
0
0
1
1
0
1
0.9250V
0
0
1
1
0
0
0.9375V
0
0
1
0
1
1
0.9500V
0
0
1
0
1
0
0.9625V
0
0
1
0
0
1
0.975V0
0
0
1
0
0
0
0.9875V
0
0
0
1
1
1
1.0000V
0
0
0
1
1
0
1.0125V
0
0
0
1
0
1
1.0250v
0
0
0
1
0
0
1.0375V
0
0
0
0
1
1
1.0500V
0
0
0
0
1
0
1.0625V
0
0
0
0
0
1
1.0750V
0
0
0
0
0
0
1.0875V
1
1
1
1
1
1
OFF
1
1
1
1
1
0
OFF
1
1
1
1
0
1
1.1000V
1
1
1
1
0
0
1.1125V
1
1
1
0
1
1
1.1250V
1
1
1
0
1
0
1.1375V
1
1
1
0
0
1
1.1500V
1
1
1
0
0
0
1.1625V
1
1
0
1
1
1
1.1750V
1
1
0
1
1
0
1.1875V
1
1
0
1
0
1
1.2000V
1
1
0
1
0
0
1.2125V
1
1
0
0
1
1
1.2250V
1
1
0
0
1
0
1.2475V
1
1
0
0
0
1
1.2500V
1
1
0
0
0
0
1.2625V
1
0
1
1
1
1
1.2750V
1
0
1
1
1
0
1.2875V
1
0
1
1
0
1
1.3000V
1
0
1
1
0
0
1.3125V
1
0
1
0
1
1
1.3250V
1
0
1
0
1
0
1.3375V
1
0
1
0
0
1
1.3500V
1
0
1
0
0
0
1.3625V
1
0
0
1
1
1
1.3750V
1
0
0
1
1
0
1.3875V
1
0
0
1
0
1
1.4000V
1
0
0
1
0
0
1.4125V
1
0
0
0
1
1
1.4250V
1
0
0
0
1
0
1.4375V
1
0
0
0
0
1
1.4500V
1
0
0
0
0
0
1.4625V
0
1
1
1
1
1
1.4750V
0
1
1
1
1
0
1.4875V
0
1
1
1
0
1
1.5000V
0
1
1
1
0
0
1.5125V
0
1
1
0
1
1
1.5250V
0
1
1
0
1
0
1.5375V
0
1
1
0
0
1
1.5500V
0
1
1
0
0
0
1.5625V
0
1
0
1
1
1
1.5750V
0
1
0
1
1
0
1.5875V
0
1
0
1
0
1
1.600V
TABLE 1. VOLTAGE IDENTIFICATION (VID) CODES (Continued)
VID4
VID3
VID2
VID1
VID0
VID12.5
VDAC
ISL6556B
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