TPS63020DSJR说明：The TPS6302x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-ion or Li-polymer battery. Output currents can go as high as 3 A while using a single-cell Li-ion or Li-polymer battery, and discharge it down to 2.5 V or lower. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery.
The TPS6302x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 14-pin VSON package measuring 3mm × 4mm (DSJ).
产品特性说明：
Input Voltage Range: 1.8 V to 5.5 V
Fixed and Adjustable Output Voltage Options from 1.2 V to 5.5 V
Up to 96% Efficiency
3-A Output Current at 3.3 V in Step Down Mode (VIN = 3.6 V to 5.5 V)
More than 2-A Output Current at 3.3 V in Boost Mode (VIN > 2.5 V)
Automatic Transition Between Step Down and Boost Mode
Dynamic Input Current Limit
Device Quiescent Current less than 50 µA
Power Save Mode for Improved Efficiency at Low Output Power
Forced Fixed Frequency Operation at 2.4 MHz and Synchronization Possible
Smart Power Good Output
Load Disconnect During Shutdown
Overtemperature Protection
Overvoltage Protection
Available in a 3mm × 4mm 14-Pin VSON Package (DSJ)
Create a Custom Design Using the TPS6302x with the WEBENCH Power Designer
产品规格：
产品种类: 开关稳压器
制造商: Texas Instruments
RoHS: 符合RoHS
安装风格: SMD/SMT
封装 / 箱体: VSON-14
输出电压: 1.2 V to 5.5 V
输出电流: 4 A
输出端数量: 1 Output
最大输入电压: 5.5 V
拓扑结构: Buck, Boost
最小输入电压: 1.8 V
开关频率: 2.4 MHz
最小工作温度: - 40 C
最大工作温度: + 85 C
系列: TPS63020
封装: Reel
商标: Texas Instruments
开发套件: TPS63020EVM-487
输入电压: 1.8 V to 5.5 V
负载调节: 0.5 %
工作电源电流: 50 uA
工作温度范围: - 40 C to + 85 C
产品: Voltage Regulators
关闭: Shutdown
工厂包装数量: 3000
电源电压-最小: 1.8 V
类型: Voltage Converter
产品应用：
光纤网络：EPON
光纤网络：光纤视频
固态硬盘 (SSD)：企业级
电网通信基础设施 - 数据集中器
自动化机械：机器人控制，CPU 电路板
销售点
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