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The RT9527L is a low cost single-cell Li-ion charger for low current charge applications.<br /><br />The RT9527L can be powered up by an AC adapter or USB (Universal Serial Bus) port inputs. The RT9527L enters sleep mode when VIN power is removed. The RT9527L optimizes the charging task by using a control algorithm, which includes pre-charge mode, fast-charge mode and constant voltage mode. The charging task is kept in constant voltage mode to hold the battery in a full charge condition. The charge current is adjustable via an external resistor. The internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The RT9527L features 28V maximum rating voltages for VIN. Other features include under-voltage protection and over-voltage protection for the AC adapter supply.<br /><br />The RT9527L is available in the small thermally enhanced WDFN-8L 2x2 package. The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.
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- 输入端最高耐压 28V
- 集成功率 MOSFET
- 充电电流可调
- 可编程充电安全定时器
- ISET 引脚短路保护
- 充电状态指示器
- 交流适配器状态正常指示器
- 充电终止电流是快充电流的10%
- 欠压保护
- 过压保护
- 热反馈优化充电速率
- 符合 RoHS 规范,不含卤素
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移动电话 数码相机 PDA 和智能手机 便携式设备
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