ChipApex | Global Electronic Components Supplier
R1225N172D-TR-FE
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
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：-
Download product information
Overview
The R1225N172D-TR-FE is a positive output step-down DC-DC controller IC manufactured by Nisshinbo Micro Devices Inc. It operates with an input voltage range of 2.3 V to 18.5 V and supports switching frequencies up to 500 kHz. The device utilizes PWM or VFM control modes for efficient power management. Designed for compact applications, it is housed in a SOT-23-6W package and functions within a temperature range of -40°C to 85°C.
Feature Summary
- Supports wide input voltage range from 2.3 V to 18.5 V
- Integrates PWM and VFM control modes for optimized efficiency
- Operates at switching frequencies up to 500 kHz
- Available in compact SOT-23-6W surface-mount package
Applications
- Portable electronic devices requiring efficient step-down regulation
- Battery-powered systems utilizing PWM/VFM control strategies
- Compact consumer electronics with limited board space constraints
Procurement Notes
Verify the specific suffix 'TR-FE' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the SOT-23-6W footprint matches the target PCB design guidelines. Ensure the operating temperature range aligns with the environmental conditions of the final application to maintain performance reliability.
Selection Notes
Select this component when a wide input voltage range and high-frequency operation are necessary for space-constrained designs. The dual-mode control capability allows for optimization across varying load conditions. Consider the thermal characteristics of the SOT-23-6W package for heat dissipation requirements in dense layouts.
Part Context
This part belongs to the R1225N series of switching controllers from Nisshinbo Micro Devices. The series focuses on providing versatile buck converter solutions with integrated control logic. The R1225N172D variant specifically addresses applications needing robust input voltage handling and flexible frequency settings within a small form factor.
Replacement Considerations
Consult official manufacturer documentation for direct pin-compatible substitutes within the R1225N family. Verify electrical parameters such as input voltage limits and switching frequency against alternative components to ensure functional equivalence.
