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Product Spec Banner
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这是一款适用于 DV 应用的 5+2 CH 整合式 PMIC。其包含 5 个 DC/DC 转换器：一个同步升压、一个可选式同步升压 / 降压、两个同步降压，以及一个 WLED 驱动器；WLED 驱动器可依 VOUT6 初始电压选择以非同步升压或电流源模式运作。此外，另有 2 个 LDO 稳压器：一个 RTC LDO 与一个通用 LDO。通用 LDO 可选择内部回授回路以提供固定 2.5V 输出，或选择外部回授回路以提供客制化输出电压。两个低电压同步升压转换器皆具备负载断接功能。所有功率 MOSFET 与补偿网路皆已整合。其提供电源良好指示器，用于监测 FB2、FB3 与 FB4 电压状态。CH1 至 CH5 的启用控制可弹性设定：可独立启用或依预设时序启用。
RT9992 电路图
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<div class="spec-list"><ul class="lv1"><li>All Power MOSFETs Integrated </li><li>5 Channels with Internal Compensation </li><li>Flexible Enabling Control <ul class="lv2"> <li></li><li>Enabled Independently or in Preset Power On/Off Sequences </li></ul> </li><li>CH2 Synchronous Converter in Step-Up or Step-Down Mode Selectable by SEL Pin </li><li>Synchronous Step-Down DC/DC Converter <ul class="lv2"> <li></li><li>Up to 95% Efficiency </li><li>100% (max) Duty Cycle </li></ul> </li><li>Synchronous Step-Up DC/DC Converter <ul class="lv2"> <li></li><li>Adjustable Output Voltage </li><li>Up to 95% Efficiency </li></ul> </li><li>Asynchronous Step-Up Converter to Drive WLED, Selectable Between Step-Up or Current Source <ul class="lv2"> <li></li><li>LED Open Protection (OVP6) in Step-Up Mode </li><li>PWM Dimming Control </li></ul> </li><li>Load Disconnect Function for CH1 and CH2 Synchronous Step-Up Converter </li><li>Fixed 2MHz Switching Frequency for CH1, CH2, CH3, and CH4 </li><li>Fixed 1MHz Switching Frequency for CH6 </li><li>Generic LDO (CH5) <ul class="lv2"> <li></li><li>Output Voltage : Fixed 2.5V or Set by External Feedback Network, Determined by FB5 Initial Voltage </li></ul> </li><li>RTC LDO : Fixed Output Voltage 3.1V </li><li>Power Good Indicator to Monitor Output Voltage Status of CH2, CH3, and CH4 </li><li>32-Lead Package </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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RT9992 订购信息
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RT9992
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RT9992
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<div class="spec-list"><ul class="lv1"><li>CMOS DV </li><li>Gaming </li></ul></div>
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