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BL8550-33CB from BELLING

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BL8550-33CB

Manufacturer: BELLING, BEL, SHANGHAI

400mA Low Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
BL8550-33CB,BL855033CB BELLING, BEL, SHANGHAI 4952 In Stock

Description and Introduction

400mA Low Dropout Voltage Regulator The **BL8550-33CB** is a low-dropout (LDO) voltage regulator designed to provide a stable and reliable 3.3V output from a higher input voltage. This compact and efficient component is widely used in applications requiring precise voltage regulation, such as portable electronics, embedded systems, and IoT devices.  

With a low dropout voltage, the BL8550-33CB ensures efficient power conversion even when the input voltage is close to the output level, minimizing energy waste. It supports a typical input voltage range of up to 6V, making it suitable for battery-powered and low-voltage systems. Additionally, it features built-in overcurrent and thermal protection, enhancing device safety and longevity.  

The regulator’s small form factor and minimal external component requirements make it an ideal choice for space-constrained designs. Its low quiescent current further optimizes power efficiency, extending battery life in portable applications.  

Engineers favor the BL8550-33CB for its balance of performance, reliability, and ease of integration. Whether used in consumer electronics, industrial controls, or communication modules, this LDO regulator delivers consistent voltage regulation under varying load conditions. Its robust design ensures stable operation across a wide temperature range, making it a dependable solution for diverse electronic systems.

Application Scenarios & Design Considerations

400mA Low Dropout Voltage Regulator

Alternative Part Number

  • AMS1117-3.3 --: Widely available 3.3V LDO regulator in SOT-223 with similar current capability and pinout, easy drop-in replacement for most 3.3V regulation designs.
  • LM1117-3.3 --: Industry-standard 3.3V LDO regulator with comparable dropout and output current, well documented and broadly second-sourced.
  • AP2112K-3.3 --: Low-dropout 3.3V regulator in small SOT-23-5 package, suitable when lower quiescent current and compact footprint are needed.

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