RY9121 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RY9121 product

RY9121

Power Management (PMIC)

Step-Down RegulatorDC-DC ConverterSynchronous

The RY9121 is a compact 2A synchronous step-down regulator designed for 4.5V-17V input applications, utilizing ECOT control for high efficiency and fast transient response.

Best for

  • Consumer electronics
  • Set-top boxes
  • Portable devices

Avoid if

  • Applications requiring >2A output current
  • Input voltages exceeding 17V

Check before use

  • Inductor saturation current
  • Output capacitor ESR

Key specifications

Input Voltage
4.5V - 17V
Output Current
2A
Switching Frequency
500kHz
Package
SOT23-6

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementConsumer Electronics

CAD Models

Download ECAD models for RY9121: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The RY9121 is a high-frequency, synchronous step-down DC/DC converter with integrated power MOSFETs, capable of delivering 2A of continuous output current.