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LM25145RGYR +BOM

With its flexible duty cycle range, LM25145RGYR offers precise control over the output voltage for a variety of applications

LM25145RGYR General Description

The LM25145RGYR is a versatile synchronous buck controller meticulously crafted to regulate power in environments with high input voltage variability. Its robust design minimizes the requirement for external surge suppression components, ensuring reliability in challenging conditions. With a minimum high-side switch on-time of 40 ns, it facilitates seamless step-down conversion, efficiently transforming a 24 V nominal input to lower voltage rails, thus simplifying system architecture and reducing costs. Its ability to operate during input voltage dips as low as 6 V, with nearly 100% duty cycle if necessary, makes it an ideal choice for demanding applications such as industrial control, robotics, data communications, and RF power amplifiers

Key Features

  • High efficiency power conversion
  • Fast transient response guaranteed
  • Synchronous buck controller excellence
  • Versatile DC-DC converter solutions
  • Precise voltage regulation ensured
  • Robust overcurrent protection built-in

Application

  • Advanced power management
  • Stable voltage output
  • Wide range of applications

Specifications

Vin (min) (V) 6 Vin (max) (V) 42
Vout (min) (V) 0.8 Vout (max) (V) 40
Iout (max) (A) 30 Iq (typ) (mA) 1.8
Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000
Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO adjustable Operating temperature range (°C) -40 to 125
Regulated outputs (#) 1 Number of phases 1
Rating Catalog Control mode Voltage mode
Type Controller Package/Case VQFN (RGY)-20

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