瑞萨电子 (Renesas Electronics Corporation)
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RAA211233

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产品长期供货: 2033

24V, 3A 1.4MHz Integrated Switching Regulator

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RAA211233 Datasheet

概览

The RAA211233 is an integrated 24V, 3A, 1.4MHz synchronous buck regulator with current mode constant on-time (COT) control. 

The RAA211233 features comprehensive protection including input undervoltage lockout (UVLO), overcurrent protection (OCP), output undervoltage protection (OUVP), and over-temperature protection (OTP). The device is available in a 6 Ld TSOT23 package.

The device is available in a 6 Ld TSOT23 package.

RAA211233 Typical Application Schematic
RAA211233 Typical Application Schematic
  • 4.5V to 24V input supply range
  • Up to 3A output current
  • Integrated high-side (85mΩ) and low-side (45mΩ) MOSFETs
  • 1.4MHz switching frequency
  • 400μA quiescent current
  • Minimum on-time of 66ns
  • Minimum off-time of 250ns
  • 0.6V reference voltage with 2% accuracy
  • PFM mode under light-load condition
  • Current mode Constant On-Time (COT) control with internal compensation
  • Internal 1.2ms soft-start time
  • Protection: Low-Side Overcurrent (LSOC) limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), Output Undervoltage Protection (OUVP) with Hiccup Mode
  • Accurate EN threshold
  • 6 LD TSOT23 package
  • General purpose
  • Industrial power supplies
  • Embedded systems and I/O supplies
  • Sensor, imaging, and radar
  • Instrumentation, medical, audio, and RF power supplies

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数据手册
RAA211233 Datasheet
PDF 2.64 MB
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设计和开发

RTKA211233DE0000BU Evaluation Board - Top

RTKA211233DE0000BU

Evaluation
了解更多

RAA211233 Synchronous Buck Evaluation Board with 4.5V to 24V Input Range, 3A Output (TSOT23-6 version)

The RAA211233 is an integrated 24V, 3A 1.4MHz synchronous buck regulator with constant on-time (COT) current mode control. It supports a wide input voltage range from...

特色文件:
RTKA211233DE0000BU Evaluation Board Manual

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