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R1225N302C-TR-FE
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Product Detailed Parameters
- Description：18.5V INPUT PWM/VFM STEP-DOWN DC
- Series：-
- Mfr：Nisshinbo Micro Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：PWM
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.3V ~ 18.5V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6W
- Grade：-
- Qualification：-
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Overview
The R1225N302C-TR-FE is a switching controller designed for step-down DC/DC conversion, manufactured by Nisshinbo Micro Devices Inc. It supports an input voltage of up to 18.5V and utilizes PWM/VFM control modes. The device is housed in a SOT-23-Wide-6 package and is RoHS compliant. It belongs to the R1225N series within the PMIC - Power Management ICs category.
Feature Summary
- Supports step-down DC/DC conversion with integrated switching control
- Operates with input voltages up to 18.5V
- Utilizes combined PWM and VFM control methods for efficiency
Applications
- Step-down DC/DC power supply circuits
- Portable electronic device power management
- Battery-powered system voltage regulation
Procurement Notes
Verify the specific suffix 'C' against the official datasheet to confirm output voltage settings and pinout compatibility. Ensure the SOT-23-Wide-6 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status if required by your manufacturing standards. Check for any specific handling instructions related to the reel packaging quantity of 3000 units.
Selection Notes
Select this component when a compact solution for low-voltage step-down conversion is needed. The SOT-23-Wide-6 package offers space efficiency for dense layouts. Consider the 18.5V input limit and PWM/VFM operation mode for compatibility with your system's power architecture and noise sensitivity requirements.
Part Context
This part belongs to the R1225N series of switching controllers from Nisshinbo Micro Devices. The series focuses on efficient power management solutions for portable applications. The R1225N302C-TR-FE variant specifically targets step-down applications with defined input ranges and control strategies suitable for modern consumer electronics.
Replacement Considerations
Direct substitutes include other variants within the R1225N series such as R1225N302B-TR-FE or R1225N302K-TR-FE, provided their specific electrical characteristics and output settings align with the design requirements. Verify package and pinout compatibility before substitution.
