参数资料
型号: IR3504MTRPBF
厂商: International Rectifier
文件页数: 9/42页
文件大小: 0K
描述: IC CTRL XPHASE3 SVID 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 10mA
电源电压: 4.75 V ~ 7.5 V
工作温度: 0°C ~ 100°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-MLPQ(5x5)
包装: 带卷 (TR)
IR3504
SYSTEM SET POINT TEST
Converter output voltage is determined by the system set point voltage which is the voltage that appears at the
FBx pins when the converter is in regulation. The set point voltage includes error terms for the VDAC digital-to-
analog converters, Error Amp input offsets, and Remote Sense input offsets. The voltage appearing at the
VDACx pins is not the system set point voltage. System set point voltage test circuits for Outputs 1 and 2 are
shown in Figures 3A and 3B.
ERROR
IR3504
VDAC
AMPLIFIER
EAOUT1
BUFFER
AMPLIFIER
FB1
"FAST"
VDAC
ISOURCE
VDAC1
ISINK
IFB1
IOCSET1
OCSET1
ROCSET1
IROSC
IROSC
RVDAC1
CVDAC1
ROSC BUFFER
IROSC
CURRENT
SOURCE
AMPLIFIER
1.2V
LGND
GENERATOR
ROSC
VOUT1
RROSC
SYSTEM
REMOTE SENSE
AMPLIFIER
VOSEN1+
VOSEN1-
Figure 3A - Output 1 System Set Point Test Circuit
ERROR
EAOUT
VOSNS-
SET POINT
VOLTAGE
IR3504
VDAC
AMPLIFIER
EAOUT2
BUFFER
AMPLIFIER
FB2
"FAST"
VDAC
ISOURCE
VDAC2
ISINK
IROSC
IOCSET2
OCSET2
ROCSET2
RVDAC2
CVDAC2
ROSC BUFFER
IROSC
CURRENT
SOURCE
AMPLIFIER
1.2V
LGND
GENERATOR
ROSC
VOUT2
RROSC
SYSTEM
Page 9
REMOTE SENSE
AMPLIFIER
VOSEN2+
VOSEN2-
Figure 3B - Output 2 System Set Point Test Circuit
EAOUT
VOSNS-
SET POINT
VOLTAGE
July 28, 2009
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