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R1225N152A-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 R1225N152A-TR-FE is a Buck DC/DC controller IC manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 2.3 V to 18.5 V and supports PWM/VFM step-down conversion. The device features a fixed switching frequency of 300 kHz and delivers a single output. It is housed in a SOT-23W-6 package and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Supports PWM and VFM control modes for efficient power management
- Integrated buck topology for step-down voltage conversion
- Fixed 300 kHz switching frequency for stable operation
Applications
- Portable electronic devices requiring efficient power regulation
- Battery-powered systems utilizing buck conversion
- General purpose power management circuits
Procurement Notes
Verify the complete part number including suffixes against official Nisshinbo documentation to ensure correct package and specification alignment. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before integration into production designs.
Selection Notes
Select this component when a compact buck controller with a wide input voltage range is required. The SOT-23W-6 package offers space efficiency, while the 300 kHz frequency balances size and performance. Ensure thermal requirements are met within the specified operating temperature range.
Part Context
This part belongs to the R1225N series of switching controllers from Nisshinbo Micro Devices. The series focuses on providing reliable step-down DC/DC conversion solutions for various consumer and industrial applications requiring efficient power management.
Replacement Considerations
Consult official cross-reference lists or contact Nisshinbo directly for verified substitute part numbers. Do not assume compatibility based on similar specifications without confirming pinout and electrical parameter matches.
