参数资料
型号: ISL6314IRZ-T
厂商: Intersil
文件页数: 15/32页
文件大小: 0K
描述: IC CTRLR PWM 1PHASE BUCK 32-QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 6,000
应用: 控制器,Intel VR11,AMD CPU
输入电压: 5 V ~ 12 V
输出数: 1
输出电压: 0.38 V ~ 1.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
ISL6314
TABLE 4. AMD 6-BIT VOLTAGE IDENTIFICATION
CODES (Continued)
TABLE 4. AMD 6-BIT VOLTAGE IDENTIFICATION
CODES (Continued)
VID5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VID4
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
VID3
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
VID2
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
VID1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
VDAC
1.3750
1.3500
1.3250
1.3000
1.2750
1.2500
1.2250
1.2000
1.1750
1.1500
1.1250
1.1000
1.0750
1.0500
1.0250
1.0000
0.9750
0.9500
VID5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
VID4
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
VID3
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
VID2
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
VID1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
VID0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
VDAC
0.5875
0.5750
0.5625
0.5500
0.5375
0.5250
0.5125
0.5000
0.4875
0.4750
0.4625
0.4500
0.4375
0.4250
0.4125
0.4000
0.3875
0.3750
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0.9250
0.9000
0.8750
0.8500
0.8250
0.8000
0.7750
0.7625
0.7500
0.7375
0.7250
0.7125
0.7000
0.6875
0.6750
0.6625
0.6500
0.6375
0.6250
Voltage Regulation
In order to regulate the output voltage to a specified level,
the ISL6314 uses the integrating compensation network
shown in Figure 4. This compensation network insures that
the steady-state error in the output voltage is limited only to
the error in the reference voltage (output of the DAC) and
offset errors in the OFS current source, remote-sense and
error amplifiers. Intersil specifies the guaranteed tolerance of
the ISL6314 to include the combined tolerances of each of
these elements.
The ISL6314 incorporates an internal differential
remote-sense amplifier in the feedback path. The amplifier
removes the voltage error encountered when measuring the
output voltage relative to the controller ground reference
point, resulting in a more accurate means of sensing output
voltage. Connect the microprocessor sense pins to the
non-inverting input, VSEN, and inverting input, RGND, of the
remote-sense amplifier. The droop voltage, V DROOP , also
feeds into the remote-sense amplifier. The remote-sense
output, V DIFF , is therefore equal to the sum of the output
voltage, V OUT , and the droop voltage. V DIFF is connected to
the inverting input of the error amplifier through an external
resistor.
1
1
0
0
1
1
1
1
0
0
0
1
0.6125
0.6000
V OUT = V REF – V OFS – V DROOP
(EQ. 4)
15
FN6455.2
October 8, 2009
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