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TPS62175 /7是一款高效同步降压DC-DC转换器,此转换器基于分布式控制系统(DCS) - 控制的降压转换器拓扑技术。
借助于4.75V至28V的宽工作输入电压,此器件非常适合于由多节锂离子电池以及12V和更高阻抗电源轨供电的系统,从而提供高达500毫秒的输出电流。
TPS62175 /7在轻负载时自动进入节能模式,以在整个负载范围内保持高效率。此外,它特有一个为具有高级节能模式的应用(像超低功耗微控制器)供电的睡眠模式。电源正常输出可被用于电源排序和/或者加电复位。
此器件在正常模式特有一个典型值为22uA的静态电流,在睡眠模式中此电流值为4.8uA。在休眠模式下,极低负载电流下的效率可提高20%。在关断模式中,关断电流少于2uA并且输出被有源放电。
提供可调和固定输出电压版本的TPS62175 /7采用一个小型2mm x 3mm 10引脚WSON封装。< /p>
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 |
TPS62175 | TPS62125 | TPS62150 | TPS62171 | TPS62172 | TPS62173 | TPS62177 | TPS62230 | TPS62671 | TPS62740 | TPS62742 | TPS62745 | TPS62746 | TPS62748 | TPS62821 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4.7 | 3 | 3 | 3 | 3 | 3 | 4.7 | 2.05 | 2.3 | 2.2 | 3 | 3.3 | 2 | 2.15 | 2.4 |
28 | 17 | 17 | 17 | 17 | 17 | 28 | 6 | 4.8 | 5.5 | 5.5 | 10 | 5.5 | 5.5 | 5.5 |
1 | 1.2 | 0.9 | 1.8 | 3.3 | 5 | 3.3 | 2.5 | 1.8 | 1.8 | 1.8 | 1.8 | 1.2 | 1.2 | 0.6 |
6 | 10 | 6.3 | 1.8 | 3.3 | 5 | 3.3 | 2.5 | 1.8 | 3.3 | 3.3 | 3.3 | 3.3 | 1.8 | 4 |
0.5 | 0.3 | 1 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 1 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
1000 | 1000 | 1250 | 2250 | 2250 | 2250 | 1000 | 2000 | 5400 | 2000 | 2000 | 2500 | 1200 | 1200 | 2200 |
1000 | 1000 | 2500 | 2250 | 2250 | 2250 | 1000 | 3000 | 6600 | 2000 | 2000 | 2500 | 1200 | 1200 | 2200 |
0.0048 | 0.013 | 0.017 | 0.017 | 0.017 | 0.017 | 0.0048 | 0.022 | 0.017 | 0.0003 | 0.0003 | 0.0004 | 0.0003 | 0.00036 | 0.004 |
Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification Tracking Voltage Margining | Enable Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Synchronous Rectification | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Spread Spectrum Synchronous Rectification | Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Dynamic Voltage Scaling Light Load Efficiency Output Discharge Power Good Synchronous Rectification | Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Dynamic Voltage Scaling Enable Light Load Efficiency Output Discharge Synchronous Rectification | Load Disconnect | Enable Light Load Efficiency Output Discharge Over Current Protection Power Good Pre-Bias Start-Up Synchronous Rectification |
Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Voltage Mode | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control | Constant on-time (COT) DCS-Control |
100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
-40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 85 | -40 to 125 | -40 to 125 |
Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
WSON | WSON | VQFN | WSON | WSON | WSON | WSON | SON | DSBGA | WSON | WSON | WSON | DSBGA | DSBGA | VSON-HR |