TPS51315 具有 D-CAPTM 模式的 3V 至 14V、10A 同步降压转换器
|
TPS51315 |
TPS54620 |
| Iout(Max)(A) |
10 |
6 |
| Vin(Min)(V) |
3 |
4.5 |
| Vin(Max)(V) |
14 |
17 |
| Vout(Min)(V) |
0.75 |
0.8 |
| Vout(Max)(V) |
5.5 |
15 |
| Iq(Typ)(mA) |
0.4 |
0.6 |
| Switching Frequency(Max)(kHz) |
1000 |
1600 |
| Switch Current Limit(Typ)(A) |
|
8 |
| Topology |
Buck |
Buck |
| Operating Temperature Range(°C) |
-40 to 125 |
-40 to 150 |
| Pin/Package |
40VQFN |
14VQFN |
| Rating |
Catalog |
Catalog |
| Duty Cycle(Max)(%) |
100 |
98 |
| Regulated Outputs(#) |
1 |
1 |
| Thermal Shutdown |
Yes |
yes |
TPS51315 描述
The TPS51315 is a D-CAPTM mode, 10-A, synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and small package power systems. The wide switching frequency is programmed with external resistors allowing for optimal efficiency and external component size. D-CAPTM mode allows a low external component count with a fast transient response. The TPS51315 is available in the thermally-efficient, 40-pin QFN 5 mm × 7 mm package and is specified from -40°C to 85°C.
TPS51315 特性
- Input Voltage Range: 3 V to 14 V
- Output Voltage Range: 0.75 V to 5.5 V
- Integrated Power MOSFETs with 10-A Continuous Current Output
- < 5-uA Shutdown Current
- D-CAPTM Mode with Fast Transient Response
- Programmable Switching Frequency with External Resistor From 100 kHz to 1 MHz
- Selectable Auto-Skip or PWM-Only Operation
- < 1% Initial Reference Accuracy
- Internal Soft-Start Control
- Integrated Boost Diode
- Power Good Signal
- Adjustable Overcurrent Limit via External Resistor
- OVP/UVP/UVLO Protection
- Integrated Selectable Output Discharge
- Prebias Output Voltage Start-Up with Disabled Output Discharge
- Thermal Shutdown
- 40-Pin QFN Package with PowerPADTM
- Supports All Ceramic Output Capacitors
- APPLICATIONS
- Portable Device Application
TPS51315 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 |
| TPS51315RGFR |
ACTIVE |
-40 to 125 |
2.65 | 1ku |
VQFN (RGF) | 40 |
3000 | LARGE T&R |
TPS
51315 |
| TPS51315RGFT |
ACTIVE |
-40 to 125 |
2.95 | 1ku |
VQFN (RGF) | 40 |
250 | SMALL T&R |
TPS
51315 |
TPS51315 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| TPS51315RGFR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
TPS51315RGFR |
| TPS51315RGFT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
TPS51315RGFT |
TPS51315 应用技术支持与电子电路设计开发资源下载
- TPS51315 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)
TPS51315 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| 12V 输入、1.5V 输出、10A 同步降压转换器评估模块 |
TPS51315EVM |
Texas Instruments |
开发电路板/EVM |