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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 DCP3601NMR is a synchronous step-down converter from 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 uA. It features peak current mode control, internal compensation, and protection mechanisms including overcurrent, thermal shutdown, and output overvoltage protection.
Feature Summary
- Compact SOT-23-6L package optimized for space-constrained designs
- Wide input voltage range suitable for diverse industrial applications
- Integrated peak current mode architecture with soft-start and protection circuits
- Optional switching frequency dithering to enhance EMI performance
Applications
- Industrial equipment power supplies
- Space-constrained embedded systems
- General-purpose DC-DC conversion modules
Procurement Notes
Verify the specific suffix 'NMR' against the manufacturer's 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 latest product documentation before finalizing procurement orders.
Selection Notes
Select this component when a compact footprint is critical alongside a wide input voltage capability. The 1 MHz switching frequency allows for smaller external inductors compared to lower-frequency alternatives. Consider the LCM or LNM version variants if specific light-load efficiency or noise sensitivity requirements are present in the target application design.
Part Context
This part belongs to the DCP3601 series of versatile synchronous step-down converters. It shares architectural similarities with other members like the DCP3603, differing primarily in output current capabilities. The series is designed to provide cost-effective solutions through high integration, reducing overall system component count and complexity for manufacturers.
Replacement Considerations
Direct substitutes within the same family include the DCP3601NDMR. Verify pinout and electrical parameter equivalence with the original datasheet before substitution. No cross-family replacements are confirmed in public documentation.
