LM2703 - 具有 350mA 峰值电流限制的微功耗升压 DC/DC 转换器

LM2703是TI德州仪器公司的一款背光产品，LM2703是具有 350mA 峰值电流限制的微功耗升压 DC/DC 转换器，本站介绍了LM2703的封装应用图解、特点和优点、功能等，并给出了与LM2703相关的TI元器件型号供参考。

LM2703 - 具有 350mA 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 LM2703 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 22V switch allows for output voltages as high as 21V. 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 LM2703 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting. The LM2703 can drive up to 4 white LEDs from a single Li-Ion battery.

产品特性

350mA, 0.7?, Internal Switch
Uses Small Surface Mount Components
Adjustable Output Voltage up to 21V
2.2V to 7V Input Range
Input Undervoltage Lockout
0.01µA Shutdown Current
Small 5-Lead SOT-23 Package

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