LMR70503 - 用于可调节输出电压的 LMR70503 微型 SMD 反向 DC/DC 转换器

LMR70503是TI德州仪器公司的一款转换器（集成开关）产品，LMR70503是用于可调节输出电压的 LMR70503 微型 SMD 反向 DC/DC 转换器，本站介绍了LMR70503的封装应用图解、特点和优点、功能等，并给出了与LMR70503相关的TI元器件型号供参考。

LMR70503 - 用于可调节输出电压的 LMR70503 微型 SMD 反向 DC/DC 转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The LMR70503 is a buck-boost converter with adjustable negative output voltage in a tiny 8-bump thin DSBGA package. Its unique control method is designed to provide fast transient response, low output noise, high efficiency, and tight regulation in the smallest possible PCB area. The LMR70503 has built in soft start, peak current limit, minimum switching frequency, and Under Voltage Lock Out (UVLO), with no external compensation required. For ease of use, the Enable pin is referred to the IC ground, instead of the lowest potential of the IC: the negative output voltage.

产品特性

Tiny 8-Bump Thin DSBGA Package: 0.84 mm × 1.615 mm × 0.6 mm
2.8 V to 5.5 V Input Voltage Range
Adjustable Output Voltage: -0.9 V to -5.5 V
320 mA Switch Current Limit
500 kHz Minimum Switching Frequency
Ground Referred Enable Input
Under Voltage Lock Out (UVLO)
No External Compensation
Internal Soft Start
1 µA Shutdown Supply Current
Small Output Voltage Ripple
WEBENCH Enabled

Performance Benefits

Easy To Use
Tiny Overall Solution Size Reduces System Cost

SIMPLE SWITCHER is a trademark of Texas Instruments. WEBENCH is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

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