— IC芯片 | 连接器 | 传感器 | 被动器件 —
Product Detailed Parameters
- Description:18.5V INPUT PWM/VFM STEP-DOWN DC
- Series:-
- Mfr:Nisshinbo Micro Devices Inc.
- Package:Tape & Reel (TR)
- Output Type:Transistor Driver
- 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
- Mounting Type:Surface Mount
- Package / Case:SC-74A, SOT-753
- Supplier Device Package:SOT-23-5
- Grade:-
- Qualification:-
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Overview
The R1224N152H-TR-FE is a step-down DC-DC controller IC from Nisshinbo Micro Devices. It supports an input voltage range up to 18.5V and utilizes PWM/VFM control modes for efficient power management. The device is housed in a compact SOT-23-5 package, suitable for space-constrained designs. It operates as a positive output buck regulator, providing stable voltage conversion for various electronic applications.
Feature Summary
- Supports PWM and VFM control modes for optimized efficiency across load conditions
- Handles input voltages up to 18.5V for flexible power supply integration
- Compact SOT-23-5 packaging facilitates surface-mount assembly
Applications
- Portable electronic devices requiring efficient step-down regulation
- Battery-powered systems needing extended operational life
- General-purpose power management circuits in consumer electronics
Procurement Notes
Verify the specific suffix 'H' against the official datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the ordering quantity aligns with the manufacturer's standard reel size of 3000 units. Cross-reference the RoHS compliance status with current environmental regulations before finalizing procurement decisions.
Selection Notes
Select this component when an 18.5V input tolerance is required alongside compact footprint constraints. The dual-mode operation suits applications with varying load profiles. Compare against other R1224N series variants if different output voltage settings or package options are needed for your specific circuit topology.
Part Context
This part belongs to the R1224N series of switching controllers designed by Nisshinbo Micro Devices. The series focuses on high-efficiency step-down conversion for portable and battery-operated equipment. The '152' designation typically indicates a fixed output voltage setting within the family.
Replacement Considerations
Check the R1224N152F-TR-FE and R1224N152M-TR-FE for potential alternatives within the same series. Verify that any substitute maintains the same SOT-23-5 package and 18.5V input rating. Confirm output voltage compatibility before swapping components.
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