TPS6303x High Efficiency Single Inductor Buck-Boost Converter With 1-A Switches
TPS63031DSKR 原装 开关稳压器 的技术参数：
制造商: | Texas Instruments |
产品种类: | 开关稳压器 |
安装风格: | SMD/SMT |
封装 / 箱体: | WSON-10 |
拓扑结构: | Boost, Buck |
输出电压: | 3.3 V |
输出电流: | 1 A |
输出端数量: | 1 Output |
静态电流: | 363 uA |
开关频率: | 2.4 MHz |
封装: | Reel |
封装: | Cut Tape |
封装: | MouseReel |
商标: | Texas Instruments |
输入电压: | 1.8 V to 5.5 V |
工作电源电流: | 25 uA |
产品: | Voltage Regulators |
产品类型: | Switching Voltage Regulators |
输入电压 | 1.8V ~ 5.5V |
工作温度范围 | -40 C ~ +85C |
TPS63031DSKR 原装 开关稳压器 的描述：
The TPS6303x 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 600 mA 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 1000 mA. 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 TPS6303x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 10-pin VSON package measuring 2.5-mm × 2.5-mm (DSK).
TPS63031DSKR 原装 开关稳压器 的特征：
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
800-mA Output current at 3.3 V in step-down mode (VIN = 3.6 V to 5.5 V)
Up to 500-mA output current at 3.3 V in boost mode (VIN > 2.4 V)
Automatic transition between step-down and boost mode
Device quiescent current less than 50 μA
Power-save mode for improved efficiency at low-output power
Forced fixed frequency operation and synchronization possible
Load disconnect during shutdown
Overtemperature protection
Available in a small 2.5-mm × 2.5-mm 10-pin VSON package (QFN)
TPS63031DSKR 原装 开关稳压器 的应用：
All two-cell and three-cell alkaline, NiCd or NiMH,
or single-cell Li battery powered products
– Smartphone
– Portable media player
– IP network camera
– Blood glucose monitor
– Portable data terminal
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