参数资料
型号: IR3513ZMTRPBF
厂商: International Rectifier
文件页数: 22/36页
文件大小: 0K
描述: IC CTRL XPHASE3 POL 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 3mA
电源电压: 8 V ~ 16 V
工作温度: 0°C ~ 125°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)
NOT RECOMMENDED FOR NEW DESIGNS
REPLACEMENT PRODUCT – IR3513ZMTRPBF
IR3513
Pre-charging of the converter output voltage may trigger OVP. If the converter output is pre-charged above 1.73V
as shown in Figure 17, ROSC/OVP pin voltage will be higher than 1.6V when VCCLDRV voltage reaches 1.8V.
ROSC/OVP pin voltage will be VCCLDRV-1V and rise with VCCLDRV voltage until VCCL is above UVLO threshold,
after which ROSC/OVP pin voltage will be VCCL-1V. The converter cannot start unless the over voltage condition
stops and VCCL is cycled. If the converter output is pre-charged 130mV above VREF but lower than 1.73V, as
shown in Figure 17, the converter will soft start until SS/DEL voltage is above 3.92V (4.0V-0.08V). Then, over
voltage comparator is activated and fault latch is set.
12V
VCC
VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL+0.7V
VCCL+0.7V
1.8V
1.73V
VCCL UVLO
ROSC/OVP
1.6V
Figure 13 - Over-voltage protection with pre-charging converter output Vo > 1.73V
Figure 14 - Over-voltage protection with pre-charging converter output VREF + 0.13V <Vo < 1.73V
Page 22
May 11, 2008
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