TPS61073 - Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23

TPS61073是TI德州仪器公司的一款转换器（集成开关）产品，TPS61073是Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23，本站介绍了TPS61073的封装应用图解、特点和优点、功能等，并给出了与TPS61073相关的TI元器件型号供参考。

TPS61073 - Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

90% Efficient Synchronous Boost Converter
- 75-mA Output Current at 3.3 V From 0.9-V Input
- 150-mA Output Current at 3.3 V From 1.8-V Input
Device Quiescent Current: 19 µA (Typ)
Input Voltage Range: 0.9 V to 5.5 V
Adjustable Output Voltage Up to 5.5 V
Power-Save Mode Version Available for Improved Efficiency at Low Output Power
Load Disconnect During Shutdown
Overtemperature Protection
Small 6-Pin Thin SOT23 Package

产品应用

All One-Cell, Two-Cell, and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery-Powered Products
Portable Audio Players
PDAs
Cellular Phones
Personal Medical Products
White LED Lighting

产品说明

The TPS6107x 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 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 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 TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS61070	SOT (6)	2.90 mm x 1.60 mm
TPS61071
TPS61072
TPS61073

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