XCS921A18CMR DC/DC降压转换电源IC 1.8V SOT-153/SOT-25/SOT23-5 marking/标记 TS 驱动晶体管内置同步降压DC/DC转换器
| 控制方式MODE | PWM/PFM |
| 输入电压VINInput Voltage | 2.2~5.5V |
| 输出电压VOUTOutput Voltage | 1.8V |
| 输出电流IOUTOutput Current | 500mA/0.5A |
| 震荡频率FOSCOscillation Frequency | 1200KHZ |
| 内置FETBuilt-in FET | PMOS/NMOS |
| Description & Applications | Driver Transistor Built-In Synchronous Step-Down DC/DC Converters •P channel driver transistor built-in •Synchronous (N channel switching transistor built-in) z For CSR Bluetooth chip sets BC2 •Input voltage range : 2.2V ~ 5.5V z Bluetooth headset •Output voltage : 1.8V •Oscillation frequency : 1.2MHz •Output current : 300mA •Maximum duty ratio : 100 % •PWM/PFM auto switching control •Ceramic capacitor compatible •Ultra small packages : SOT-25 & USP-6B |
| 描述与应用 | 驱动晶体管内置同步降压DC/ DC转换器 •P沟道驱动晶体管内置 •同步（N沟道开关晶体管内置）Z的CSR蓝牙芯片集BC2 •输入电压范围：2.2V〜5.5VŽ蓝牙耳机 •输出电压：1.8V •振荡频率：1.2MHz的 •输出电流：300mA •最大占空比：100％ •PWM / PFM自动切换控制 •陶瓷电容器兼容 •超小封装：SOT-25，USP-6B |
| 规格书PDF |
