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R1225N152C-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 R1225N152C-TR-FE is a step-down DC-DC controller IC from Nisshinbo Micro Devices, designed for buck regulator applications. It supports an input voltage range of 2.3 V to 18.5 V and operates with PWM or VFM control modes. The device features a switching frequency of 300 kHz and functions within a temperature range of -40°C to +85°C. It is housed in a SOT-23W-6 package.
Feature Summary
- Supports PWM and VFM control modes for efficient power management
- Handles wide input voltage range up to 18.5 V
- Integrated buck regulator functionality for step-down conversion
Applications
- Buck regulator positive output step-down DC-DC converter circuits
- Portable electronic devices requiring efficient power management
- Battery-powered systems utilizing step-down voltage regulation
Procurement Notes
Verify the exact ordering suffix TR-FE corresponds to the reel packaging configuration as specified by Nisshinbo Micro Devices. Confirm that the SOT-23W-6 package dimensions match your PCB footprint requirements. Ensure the operating temperature range of -40°C to +85°C meets your application's environmental conditions before finalizing procurement.
Selection Notes
Select this component when a compact step-down controller with wide input voltage capability is required. The 300 kHz switching frequency offers a balance between size and efficiency. Consider the SOT-23W-6 package for space-constrained designs. Verify compatibility with external components for PWM/VFM mode selection based on load requirements.
Part Context
This part belongs to the R1225N series of switching controllers from Nisshinbo Micro Devices. It is categorized under PMIC - Power Management ICs. The series includes various variants with different output voltages and control modes, all sharing similar buck converter architectures and packaging options for consistent design integration.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Nisshinbo Micro Devices official resources for direct replacements or cross-reference compatible buck controllers with matching input voltage ranges and package types.
