参数资料
型号: IR3503MTRPBF
厂商: International Rectifier
文件页数: 24/39页
文件大小: 0K
描述: IC CTRL XPHASE VR11.0/1 32-MLPQ
标准包装: 1
系列: XPhase3™
应用: 处理器
电流 - 电源: 8mA
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: 标准包装
其它名称: IR3503MTRPBFDKR
IR3503
OUTPUT
OVP
VOLTAGE
(VO)
THRESHOLD
130mV
VCCL-800 mV
IIN
(ISHARE)
GATEH
(PHASE IC)
GATEL
(PHASE IC)
FAULT
LATCH
ERROR
AMPLIFIER
OUTPUT
(EAOUT)
VDAC
NORMAL OPERATION
OVP CONDITION
AFTER
OVP
Figure 15: Over voltage protection during normal operation
During dynamic VID down, OVP may be triggered when output voltage can not follow VDAC voltage change at light
load with large output capacitance. Therefore, over-voltage threshold is raised to 1.73V from VDAC+130mV
whenever dynamic VID is detected and the difference between output voltage and VDAC is more than 50mV, as
shown in Figure 16. The over-voltage threshold is changed back to VDAC+130mV if the difference is smaller than
50mV.
Page 24 of 39
February 12, 2010
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相关代理商/技术参数
参数描述
IR3504MPBF 制造商:International Rectifier 功能描述:Control IC 32-Pin MLPQ Strip
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