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R1223N182H-TR-FE
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Product Detailed Parameters
- Description：13.2V 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 ~ 13.2V
- Frequency - Switching：500kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The R1223N182H-TR-FE is a non-isolated Buck DC/DC controller manufactured by Nisshinbo Micro Devices. It operates within an input voltage range of 2.3 V to 13.2 V and provides a fixed output voltage of 1.8 V. The device supports a switching frequency of 500 kHz with a maximum duty cycle of 100%. It functions in SMD/SMT SOT-23-5 packages, featuring a quiescent current of 140 uA. The operational temperature range spans from -40 C to +85 C. This component is classified under Switching Controllers and PMICs.
Feature Summary
- PWM step-down DC/DC converter controller topology
- Fixed 1.8 V output capability
- Non-isolated power architecture
Applications
- Buck regulator circuit design
- Step-down DC-DC conversion systems
- Power management integrated circuits
Procurement Notes
Verify RoHS compliance status as sources indicate conflicting information regarding this specific part number's certification. Confirm availability since some listings mark the product as discontinued while others suggest stock presence. Ensure ordering quantities align with reel packaging requirements specified by the manufacturer for this series.
Selection Notes
Select this controller for applications requiring a fixed 1.8 V output from inputs up to 13.2 V. Consider the 500 kHz switching frequency and 140 uA quiescent current for efficiency needs. Verify package compatibility with SOT-23-5 footprints and ensure thermal constraints fit within the -40 C to +85 C operating range.
Part Context
This component belongs to the R1223N series of switching controllers from Nisshinbo Micro Devices. It serves as a dedicated controller for external MOSFETs in buck converter topologies. The series focuses on providing stable step-down voltage regulation with compact surface-mount packaging suitable for space-constrained electronic designs.
Replacement Considerations
Public sources indicate this product is discontinued. Check for alternative options available from the manufacturer. No confirmed substitute part numbers are provided in the verified documentation.
