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Product Detailed Parameters
- Description：36 V, 1 A SYNCHRONOUS STEP-DOWN
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.3V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.85V
- Voltage - Output (Max)：36V
- Current - Output：1A
- Frequency - Switching：1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Grade：-
- Qualification：-
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Overview
The DCP3601NDMR is a synchronous step-down converter manufactured by STMicroelectronics, housed in a SOT-23-6L package. It supports an input voltage range of 3.3 V to 36 V and delivers up to 1 A output current. The device operates at a fixed switching frequency of 1 MHz with a typical quiescent current of 110 μA. It features peak current mode control, internal compensation, and protection mechanisms including thermal shutdown and overcurrent protection.
Feature Summary
- Compact SOT-23-6L package optimized for space-constrained designs
- Wide 3.3 V to 36 V input voltage range suitable for industrial applications
- Integrated peak current mode architecture with soft-start and protection circuits
- Optional switching frequency dithering to improve EMI performance
Applications
- Industrial equipment power management
- Space-constrained embedded systems
- General-purpose DC-DC conversion for 3.3V to 36V inputs
Procurement Notes
Verify the specific suffix 'NDMR' against the official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the STEVAL-3601CV1 evaluation board if design validation is required. Confirm RoHS compliance status through the manufacturer's documentation before integration.
Selection Notes
Select this component for applications requiring high efficiency in a small footprint. The 1 MHz switching frequency allows for smaller external inductors compared to lower-frequency alternatives. Consider the LCM version for light-load efficiency or LNM for noise-sensitive environments as specified in the family documentation.
Part Context
The DCP3601 belongs to a series of versatile synchronous step-down converters from STMicroelectronics. It shares architectural similarities with other members like the DCP3603 but differs in output current capability. The series targets cost-effective solutions through high integration and reduced component count.
Replacement Considerations
Direct substitutes within the same family include DCP3601NMR. Higher current variants such as DCP3603ANDMR or DCP3603BNDMR offer 3 A capability but require verification of thermal and layout constraints.
