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R1224N362G-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：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：300kHz
- 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 R1224N362G-TR-FE is a non-isolated step-down DC/DC controller from the Nisshinbo R1224N series, housed in an SOT-23-5 package. It supports a wide input voltage range of 2.3 V to 18.5 V and delivers a fixed output of 3.6 V. The device operates with PWM or VFM control modes at a switching frequency of 300 kHz. Key electrical parameters include a quiescent current of 20 uA, a maximum duty cycle of 100%, and an operating temperature range from -40°C to +85°C.
Feature Summary
- Supports both Pulse Width Modulation (PWM) and Variable Frequency Mode (VFM) for optimized efficiency across varying load conditions.
- Features a wide input voltage range accommodating supply voltages from 2.3 V up to 18.5 V.
- Provides a fixed output voltage setting to simplify external component selection.
Applications
- Battery-powered portable electronic devices requiring efficient power management
- General-purpose step-down conversion in embedded systems
- Industrial control modules operating within specified temperature ranges
Procurement Notes
Verify the specific suffix 'G' against official Nisshinbo documentation to confirm environmental compliance status and tape-and-reel specifications. Ensure that the required output voltage matches the fixed 3.6 V configuration inherent to this part number before integration into design schematics.
Selection Notes
Select this controller when a fixed 3.6 V output is required from a wide input range. Consider the 300 kHz switching frequency for passive component sizing. Evaluate thermal performance within the -40°C to +85°C operational window. Confirm that the SOT-23-5 package footprint aligns with PCB layout constraints.
Part Context
This component belongs to the R1224N series of switching controllers designed for buck converter topologies. It is categorized under PMIC - Power Management ICs. The device functions as a standalone controller requiring external power switches, distinguishing it from integrated regulator solutions.
Replacement Considerations
Cross-reference with other R1224N variants such as R1224N152M-TR-FE or R1224N182E-TR-FE if different fixed output voltages are needed. Verify pin compatibility and control mode requirements before substituting with other manufacturers' buck controllers.
