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R1225N122J-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：180kHz
- 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 R1225N122J-TR-FE is a step-down DC/DC switching controller manufactured by Nisshinbo Micro Devices. It supports an input voltage range of 2.3V to 18.5V and utilizes PWM/VFM control modes for efficient power conversion. The device is housed in a SOT-23-6W package, suitable for compact designs. It belongs to the R1225N series and is classified under PMIC - DC DC Switching Controllers. The component is RoHS compliant and lead-free.
Feature Summary
- Supports wide input voltage range from 2.3V to 18.5V
- Integrates PWM and VFM control modes for optimized efficiency
- Designed as a step-down DC/DC switching controller
Applications
- Portable electronic devices requiring efficient power management
- Battery-powered systems utilizing step-down conversion
- Compact consumer electronics with space constraints
Procurement Notes
Verify the specific suffix 'J' against official Nisshinbo documentation to confirm exact electrical characteristics and availability status. Ensure compatibility with SOT-23-6W footprint requirements during design integration. Cross-reference datasheet revisions for any updates to thermal or electrical specifications prior to final procurement decisions.
Selection Notes
Select this controller when a wide input voltage range up to 18.5V is required for step-down applications. Consider the SOT-23-6W package size for space-constrained layouts. Evaluate PWM/VFM mode suitability for load conditions to ensure optimal efficiency across varying current demands in the target system design.
Part Context
This component is part of the R1225N series from Nisshinbo Micro Devices, focusing on switching controllers. It serves as a power management integrated circuit (PMIC) designed for efficient voltage regulation. The series targets applications needing reliable step-down conversion within a small form factor.
Replacement Considerations
Consult official substitution lists for direct equivalents. Verify pinout compatibility and electrical parameter alignment with alternative step-down controllers if sourcing changes are necessary.
