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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.75V ~ 20V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：84%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Grade：-
- Qualification：-
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Overview
The ADP1883ARMZ-0.3-R7 is a synchronous step-down DC-DC controller IC manufactured by Analog Devices Inc., designed for high-efficiency power conversion applications. It operates within an input voltage range of 2.75V to 20V and features a fixed switching frequency of 300kHz. The device utilizes current-mode control architecture to ensure stable performance under varying load conditions. It is housed in a 10-lead MSOP package, suitable for space-constrained designs. The component supports light load efficiency enhancement modes to optimize power consumption during low-demand periods.
Feature Summary
- Synchronous buck controller with integrated driver for external MOSFETs
- Current-mode control architecture for fast transient response
- Light load efficiency optimization capability
- Wide input voltage operating range
Applications
- Point-of-load regulation for digital signal processors
- Power supply modules for communication equipment
- Battery-powered portable devices requiring efficient step-down conversion
- Industrial control systems with wide input voltage requirements
Procurement Notes
Verify the specific suffix -R7 indicates tape-and-reel packaging when ordering. Confirm the -0.3 designation aligns with your system's timing or configuration requirements as defined in the official datasheet. Ensure compatibility with the 10-MSOP footprint on your PCB layout. Cross-reference the manufacturer part number directly with Analog Devices documentation to avoid counterfeit components.
Selection Notes
Select this component when a synchronous buck topology is required with a fixed 300kHz switching frequency. It is appropriate for designs needing input voltages up to 20V and output currents supported by external MOSFET selection. Consider the thermal characteristics of the MSOP-10 package for your enclosure constraints. Evaluate the need for light-load efficiency features if battery life is a critical design parameter.
Part Context
This part belongs to the ADP1883 series of synchronous current-mode PWM controllers from Analog Devices. It is distinct from linear regulators like the ADP1716 due to its switching nature. The -R7 suffix denotes reel packaging, while -0.3 specifies internal timing or configuration parameters unique to this variant within the broader PMIC family.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices official documentation for direct replacements or pin-compatible alternatives.
