产品概述
描述
ST1PS03是一款Nano-Quiescent同步整流降压转换器，能够提供高达400mA的输出电流，输入电压范围为1.8V至5.5V。该产品专为高效率及对PCB尺寸和对厚度有要求的应用而设计。
可以使用三个数字控制输入设置输出电压，也可以动态选择1.6 V至3.3 V的VOUT 。由于增强的PCC（峰值电流控制），ST1PS03仅使用2.2μH电感和两个小电容即可实现极高的效率转换。开发先进的设计电路以最小化静态电流。该器件嵌入了一个可从VIN_AUX访问的受控开关，以便为子系统供电。最后，它采用薄塑料封装。
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所有功能
- VIN=3.6 V（没有开关）时500 nA输入静态电流
- 10 mA负载(VIN=3.6 V, VOUT=2.5 V)时典型效率为92％
- 100%占空比
- 输入电压范围为1.8 V至5.5 V
- 欠压锁定：1.57 V (VIN falling, typ.)
- 输出电流能力高达400 mA
- 低功率控制操作，以实现最佳效率
- 嵌入式软启动电路
- 微小的外部元件：L = 2.2 µH typ.
- 可选输出电压：1.6 V至3.3 V
- 输出电压供电正常
- ±1.5％输出电压精度（VOUT, TA = 25 °C）
- 动态输出电压选择（D0、D1和D2）
- 由AUX输入控制的负载开关
- 采用TQFN12封装
eDesignSuite
eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.
Power Management Design Center
Choose design tool: 
SMPS design, by topology, by type and by product PFC design with analog and digitial control Supports various PCB configurations 
Handles AC-DC and DC-DC design in common topologies Displays interactive and annotated schematic Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data 
Specify input/output power for each node in the tree Check for consistency Design each individual node
Power Supply Design Tool
SMPS design, by topology, by type and by product PFC design with analog and digitial control Supports various PCB configurations Choose type: DC/DC AC/DC 太阳能电池充电器
LED Lighting Design Tool
Handles AC-DC and DC-DC design in common topologies Displays interactive and annotated schematic Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data Choose type: DC/DC AC/DC
Power Tree Designer
Specify input/output power for each node in the tree Check for consistency Design each individual node Power Supply Design Tool
Power Supply Design Tool
Active Filters
Comparators
Current Sensing
LED Lighting Design Tool
Rectifier Diodes Simulator
STPOWER Studio
AC Switches Simulator
Power Supply Design Tool
TVS Simulator
Power Supply Design Tool
LED Lighting Design Tool
NFC Tuning Circuit
NFC Inductance
Start your design with the ST1PS03 now
xwith our eDesignSuite online design aid utilities and simulation tools.
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EDA符号、封装和3D模型
STMicroelectronics - ST1PS03
为您的应用下载所有EDA符号、封装和3D模型，加快您的设计速度。您可以从大量CAD格式中进行选择，以匹配您的设计工具链。
符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| ST1PS03A1QTR | 批量生产 | MLPQ/QFN 1.7x2.0x0.55 12L P0.4 | 工业 | Ecopack2 | |
| ST1PS03AQTR | 批量生产 | MLPQ/QFN 1.7x2.0x0.55 12L P0.4 | 工业 | Ecopack2 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
样片和购买
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| 产品型号 | Order from distributors | 从ST订购 | 供货状态 | ECCN (US) | ECCN (EU) | 包装类型 | 封装 | 温度（ºC） | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||
| ST1PS03A1QTR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | EAR99 | NEC | Tape and Reel | MLPQ/QFN 1.7x2.0x0.55 12L P0.4 | - | - | CHINA | | ||
| ST1PS03AQTR | distributors 无法联系到经销商，请联系我们的销售办事处 | 批量生产 | EAR99 | NEC | Tape and Reel | MLPQ/QFN 1.7x2.0x0.55 12L P0.4 | - | - | CHINA | | ||
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