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数据: TPS6122x Low Input Voltage, 0.7V Boost Converter With 5.5μA Quiescent Current 数据表
TPS6122x系列器件为由单节电池,两节电池或三节电池供电的产品提供电源解决方案,NiCd或NiMH,或单节锂离子或锂聚合物电池。可能的输出电流取决于输入 - 输出电压比。升压转换器基于使用同步整流的迟滞控制器拓扑,以在最小静态电流下获得最大效率。可调版本的输出电压可通过外部电阻分压器进行编程,或在内部设置为固定输出电压。可通过特色使能引脚关闭转换器。在关闭时,电池消耗最小化。该器件采用6引脚SC-70封装(DCK),尺寸为2 mm×2 mm,可实现小型电路布局尺寸。
Vin (Min) (V) |
Vin (Max) (V) |
Vout (Min) (V) |
Vout (Max) (V) |
Switch Current Limit (Typ) (A) |
Regulated Outputs (#) |
Switching Frequency (Min) (kHz) |
Switching Frequency (Max) (kHz) |
Iq (Typ) (mA) |
Features |
Duty Cycle (Max) (%) |
Operating Temperature Range (C) |
Rating |
Package Group |
TPS61222 | TLV61220 | TLV61224 | TLV61225 | TPS61097A-33 | TPS61099 | TPS61220 | TPS61221 | TPS61322 |
---|---|---|---|---|---|---|---|---|
0.7 | 0.7 | 0.7 | 0.7 | 0.9 | 0.7 | 0.7 | 0.7 | 0.85 |
5.5 | 5.5 | 3 | 3.3 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
5 | 1.8 | 3 | 3.3 | 3.3 | 1.8 | 1.8 | 3.3 | 2.2 |
5 | 5.5 | 3 | 3.3 | 3.3 | 5.5 | 5.5 | 3.3 | 2.2 |
0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 1 | 0.4 | 0.4 | 0.75 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
500 | 500 | 500 | 500 | 500 | 500 | 500 | ||
2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | |
0.005 | 0.005 | 0.005 | 0.005 | 0.007 | 0.0008 | 0.005 | 0.005 | 0.006 |
Synchronous Rectification | Synchronous Rectification | Synchronous Rectification | Synchronous Rectification | Enable | Synchronous Rectification | Synchronous Rectification | Synchronous Rectification | Light Load Efficiency Synchronous Rectification |
90 | 90 | 90 | 90 | 100 | 90 | 90 | 90 | 90 |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
SC70 | SOT-23 | SC70 | SC70 | SOT-23 | DSBGA | SC70 | SC70 | SOT-23 |