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TPS54339是一款自适应接通时间D-CAP2™模式同步降压转换器.TPS54339可帮助系统设计人员通过一个低成本,低组件数,低待机电流解决方案来完成各种终端设备的电源总线调节器集.TPS54339的主控制环路采用D-CAP2™模式控制,无需外部补偿组件便可实现极快的瞬态响应.TPS54339的专有电路还有助于该器件适应诸如高分子有机半导体固体电容器(POSCAP)或SP-CAP等低等效串联电阻(ESR)输出电容器以及超低ESR陶瓷电容器。该器件的工作输入电压介在输出电压可在0.76V与7V之间进行设定。此外,该器件还特有一个可调软启动时间。 C到85°C的工作温度范围内的运行而设计。
Vin (Min) (V) |
Vin (Max) (V) |
Vout (Min) (V) |
Vout (Max) (V) |
Iout (Max) (A) |
Regulated Outputs (#) |
Switching Frequency (Min) (kHz) |
Switching Frequency (Max) (kHz) |
Iq (Typ) (mA) |
Features |
Control Mode |
Duty Cycle (Max) (%) |
Operating Temperature Range (C) |
Rating |
Package Group |
TPS54339 | TPS54229 | TPS54229E | TPS54239 | TPS54239E | TPS54329 | TPS54329E | TPS54339E |
---|---|---|---|---|---|---|---|
4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
23 | 18 | 18 | 23 | 23 | 18 | 18 | 23 |
0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 | 0.76 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
600 | 650 | 650 | 600 | 600 | 650 | 650 | 600 |
600 | 650 | 650 | 600 | 600 | 650 | 650 | 600 |
0.85 | 0.8 | 0.85 | 0.6 | 0.6 | 0.8 | 0.8 | 0.6 |
Enable Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification |
D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 |
90 | 90 | 90 | 90 | 90 | 85 | 85 | 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 |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD |