TPS61024 - 采用 QFN-10 封装的 3.0V 输出 1.5A 开关 96% 效率升压转换器，具有 LDO 降压模式

TPS61024是TI德州仪器公司的一款转换器（集成开关）产品，TPS61024是采用 QFN-10 封装的 3.0V 输出 1.5A 开关 96% 效率升压转换器，具有 LDO 降压模式，本站介绍了TPS61024的封装应用图解、特点和优点、功能等，并给出了与TPS61024相关的TI元器件型号供参考。

TPS61024 - 采用 QFN-10 封装的 3.0V 输出 1.5A 开关 96% 效率升压转换器，具有 LDO 降压模式 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

96% Efficient Synchronous Boost Converter
Output Voltage Remains Regulated When Input Voltage Exceeds Nominal Output Voltage
Device Quiescent Current: 25 µA (Typ)
Input Voltage Range: 0.9 V to 6.5 V
Fixed and Adjustable Output Voltage Options Up to 5.5 V
Power Save Mode for Improved Efficiency at Low Output Power
Low Battery Comparator
Low EMI-Converter (Integrated Anti-ringing Switch)
Load Disconnect During Shutdown
Overtemperature Protection
Small 3-mm × 3-mm VSON-10 Package

产品应用

All One-Cell, Two-Cell, and Three-Cell Alkaline, NiCd or NiMH, or One-Cell Li-Ion or Li-Polymer Battery-Powered Products
Portable Audio Players
PDAs
Cellular Phones
Personal Medical Products
Camera White LED Flash Lights

产品说明

The TPS6102x family of devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a 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 peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by 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 completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD™ package measuring 3 mm x 3 mm (DRC).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS6102x	VSON (10)	3.00 mm x 3.00 mm

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