TPS53311 具有集成开关的 3A 降压稳压器
TPS53311 描述
TPS53311 is a fully integrated synchronous buck regulator using the TI’s proprietary SmoothPMW™ voltage mode control. It is designed for 3.3-V and 5-V step-downs where system size is at a premium, and where performance and optimized component lists are mandatory.
The TPS53311 features a 1.1-MHz switching frequency, SKIP mode operation support, pre-bias startup, internal softstart, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage and over-temperature protections and all ceramic output capacitor support. It supports supply voltage from 2.9 V to 3.5 V and conversion voltage from 2.9 V to 6.0 V, and output voltage is adjustable from 0
|
TPS53311 |
TPS54218 |
TPS54318 |
TPS54319 |
TPS54418 |
| Iout(Max)(A) |
3 |
2 |
3 |
3 |
4 |
| Vin(Min)(V) |
2.9 |
2.95 |
2.95 |
2.95 |
2.95 |
| Vin(Max)(V) |
6.0 |
6 |
6 |
6 |
6 |
| Vout(Min)(V) |
0.6 |
0.8 |
0.8 |
0.8 |
0.8 |
| Vout(Max)(V) |
|
4.5 |
4.5 |
4.5 |
4.5 |
| Iq(Typ)(mA) |
2.2 |
0.35 |
0.35 |
0.36 |
0.35 |
| Switching Frequency(Max)(kHz) |
1100 |
2000 |
2000 |
2000 |
2000 |
| Switch Current Limit(Typ)(A) |
4.5 |
2.9 |
4 |
4 |
5 |
| Topology |
Buck |
Buck |
Buck |
Buck |
Buck |
| Operating Temperature Range(°C) |
-40 to 85 |
-40 to 150 |
-40 to 150 |
-40 to 150 |
-40 to 150 |
| Pin/Package |
16QFN |
16WQFN |
16WQFN |
16WQFN |
16WQFN |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
| Duty Cycle(Max)(%) |
84.5 |
98 |
98 |
98 |
98 |
| Regulated Outputs(#) |
1 |
1 |
1 |
1 |
1 |
| Thermal Shutdown |
Yes |
Yes |
Yes |
Yes |
yes |
TPS53311 特性
- TI Proprietary Integrated MOSFET and Packaging Technology
- Continuous 3-A Output Current
- Supports All MLCC Output Capacitor
- Supports Skip Mode for Light Load Control
- Optimized Efficiency at Light and Heavy Loads
- Voltage Mode Control
- Supports Master-Slave Interleaved Operation
- Synchronization up to ±20% of Nominal Frequency
- Conversion Voltage Range Between 2.9 V and 6.0 V
- Soft-Stop Output Discharge During Disable
- Adjustable Output Voltage Ranging Between 0.6 V and 0.84 V × VIN
- Overcurrent, Overvoltage and Over-Temperature Protection
- Small 3 × 3 , 16-Pin QFN Package
- Open-Drain Power Good Indication
- Internal Boot Strap Switch
- Low RDS(on), 24 mΩ with 3.3-V Input and 19-mΩ with 5-V Input
- APPLICATIONS
- 5-V Step-down Rail
- 3.3-V Step-down Rail
TPS53311 芯片订购指南
| 器件 |
状态 |
温度 (oC) |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| TPS53311RGTR |
ACTIVE |
-40 to 85 |
2.15 | 1ku |
QFN (RSA) | 16 |
3000 |
3311 |
| TPS53311RGTT |
ACTIVE |
-40 to 85 |
2.40 | 1ku |
QFN (RSA) | 16 |
250 |
3311 |
TPS53311 质量与无铅数据
TPS53311 应用技术支持与电子电路设计开发资源下载
- TPS53311 数据资料 dataSheet 下载.PDF
- TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
- Dual MOSFET Driver
(PDF 498 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- Understanding Boost Power Stages In Switchmode Power Supplies
(PDF 149 KB)
- Understanding Buck Power Stages In Switchmode Power Supplies
(PDF 173 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
TPS53311 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| TPS53311 6V 输入、1.8V 输出、2A SWIFT™ 转换器评估模块 |
TPS53311EVM-511 |
Texas Instruments |
开发电路板/EVM |
| SwitcherPro(TM) 开关电源设计工具 |
SWITCHERPRO |
Texas Instruments |
应用软件 |
TPS53311 参考设计
| 说明 |
型号 |
公司 |
| Synchronous Buck Controller Doubles as a 2-A Buck Boost Inverter |
PMP2933 |
Texas Instruments |
