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LM3207TL DC/DC Step-Down Converting PMIC 3.4V 9-pin micro Step-Down Converter
| 控制方式 MODE | PWM |
| 输入电压VIN Input Voltage | 3.9V |
| 输出电压VOUT Output Voltage | 3.4V |
| 输出电流IOUT Output Current | 400mA/0.4A |
| 震荡频率FOSC Oscillation Frequency | 2MHZ |
| 内置FET Built-in FET | |
| Description & Applications | 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers with Integrated Vref LDO •2MHz (typ.) PWM Switching Frequency • Operates from a single Li-Ion cell (2.7V to 5.5V) •Variable Output Voltage (0.8V to 3.6V) • 650mA Maximum load capability •High Efficiency (95% Typ at 3.9VIN, 3.4VOUTat 400mA) from internal synchronous rectification •Integrated Vref LDO • Regulated LDO Output up to 10mA max • Fast 3uS Vref LDO On/Off Time • 9-pin micro SMD Package • Current Overload Protection •Thermal Overload Protection • Cellular Phones • Hand-Held Radios • RF PC Cards •Battery Powered RF Devices |
| 描述与应用 | 650mA微型可调，降压型DC-DC转换器 用于射频功率放大器与Vref的LDO集成 •2MHz的PWM开关频率（典型值） •从单节锂离子电池（2.7V至5.5V） •可变输出电压（0.8V至3.6V） •650毫安最大负载能力 •高效率（95％Typ在3.9VIN，3.4VOUTat400毫安） 从内部同步整流 •集成的Vref的LDO •LDO稳压输出最大10mA •快速3US VREF LDO开/关时间 •9针微型SMD封装 •电流过载保护 •热过载保护 •蜂窝电话 •手持式收音机 •射频PC卡 •电池供电的RF设备 |
