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TPS54329E是一款自适应接通时间D-CAP2模式同步降压型转换器.TPS54329E为系统设计人员提供了一个低成本,低组件数量和低待机电流的解决方案来完成各种终端设备的电源总线调节器套件的设计.TPS54329E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快速瞬态响应。 Eco-mode™使TPS54329E能够在较轻负载状态下保持高效率。此外,TPS54329E的专有电路还使这个设备能够采用诸如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于4.5 V至18 V之间。输出电压可在0.76 V与7 V之间进行编程。此外,该器件还支持可调软启动时间.TPS54329E采用8-引脚DDA封装,设计作温度范围为-40°C到85°C。
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 |
TPS54329E | TPS54229 | TPS54229E | TPS54239 | TPS54239E | TPS54329 | TPS54339 | TPS54339E |
---|---|---|---|---|---|---|---|
4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
18 | 18 | 18 | 23 | 23 | 18 | 23 | 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 |
650 | 650 | 650 | 600 | 600 | 650 | 600 | 600 |
650 | 650 | 650 | 600 | 600 | 650 | 600 | 600 |
0.8 | 0.8 | 0.85 | 0.6 | 0.6 | 0.8 | 0.85 | 0.6 |
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 Synchronous Rectification | Enable Synchronous Rectification | Enable Light Load Efficiency Synchronous Rectification |
D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 | D-CAP2 |
85 | 90 | 90 | 90 | 90 | 85 | 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 |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD | SO PowerPAD |