LM2705 - 具有 150mA 峰值电流限制的微功耗升压 DC/DC 转换器

LM2705是TI德州仪器公司的一款背光产品，LM2705是具有 150mA 峰值电流限制的微功耗升压 DC/DC 转换器，本站介绍了LM2705的封装应用图解、特点和优点、功能等，并给出了与LM2705相关的TI元器件型号供参考。

LM2705 - 具有 150mA 峰值电流限制的微功耗升压 DC/DC 转换器 - 背光 - LED驱动器 - 德州仪器

产品描述

The LM2705 is a micropower step-up DC/DC in a small 5-lead SOT-23 package. A current limited, fixed off-time control scheme conserves operating current resulting in high efficiency over a wide range of load conditions. The 21V switch allows for output voltages as high as 20V. The low 400ns off-time permits the use of tiny, low profile inductors and capacitors to minimize footprint and cost in space-conscious portable applications. The LM2705 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting. The LM2705 can drive up to 3 white LEDs from a single Li-Ion battery. The low peak inductor current of the LM2705 makes it ideal for USB applications.

产品特性

150mA, 0.7?, internal switch
Uses small surface mount components
Adjustable output voltage up to 20V
2.2V to 7V input range
Input undervoltage lockout
0.01µA shutdown current
Small 5-Lead SOT-23 package

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