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R1225N332B-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：500kHz
- 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 R1225N332B-TR-FE is a step-down DC/DC controller from Nisshinbo Micro Devices. It supports an input voltage range of 2.3 V to 18.5 V and operates with a switching frequency of 500 kHz. The device utilizes PWM/VFM control modes for efficient power management. Designed for single-output applications, it is housed in a compact SOT-23W-6 package. The component functions within a temperature range of -40°C to +85°C, providing reliable performance for various electronic systems requiring regulated voltage conversion.
Feature Summary
- Supports wide input voltage range up to 18.5 V
- Integrates PWM and VFM control modes
- Operates at a fixed 500 kHz switching frequency
- Designed for buck converter topologies
Applications
- Portable electronic devices
- Battery-powered equipment
- Industrial control systems
- Consumer electronics
Procurement Notes
Verify the specific suffix 'B' against the official datasheet to confirm output configuration and pinout compatibility. Ensure the SOT-23W-6 package dimensions align with PCB layout requirements. Cross-reference the thermal specifications with system operating conditions to maintain reliability within the specified temperature range.
Selection Notes
Select this controller when a wide input voltage range and high efficiency are required. Consider the 500 kHz frequency for balancing component size and noise. Evaluate the PWM/VFM transition characteristics for load regulation needs. Compare against other buck controllers based on package constraints and thermal performance requirements.
Part Context
This component belongs to the R1225N series of switching controllers. It is part of Nisshinbo's portfolio of power management integrated circuits. The series focuses on providing efficient voltage regulation solutions. The R1225N332B variant specifically targets applications requiring robust input voltage handling.
Replacement Considerations
Check the R1225N332C-TR-FE for potential functional similarities. Verify pin compatibility and electrical parameters before substitution. Consult official cross-reference data for confirmed alternatives.
