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Product Detailed Parameters
- Description：STEP-DOWN SWITCHING REG
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3.5V ~ 16V
- Frequency - Switching：Up to 250kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The ADP1147AR-5 is a high-efficiency step-down switching regulator controller manufactured by Analog Devices Inc. It functions as a buck regulator with a positive output, designed for DC-DC conversion applications. The device is housed in an 8-SOIC package and operates within the broader family of high-efficiency step-down switching regulators. Key characteristics include superior load and line transient response capabilities, allowing for precise voltage regulation under varying conditions. The component is RoHS compliant and intended for powering diverse loads efficiently.
Feature Summary
- Provides high-efficiency step-down voltage regulation
- Delivers superior load and line transient response
- Features user-adjustable parameters for flexible design integration
Applications
- Powering wide range of electronic loads
- General purpose DC-DC step-down conversion
- Compact power supply designs requiring high efficiency
Procurement Notes
Verify the specific ordering suffix AR-5 against the official Analog Devices datasheet to confirm pinout and electrical specifications match your design requirements. Ensure the package type corresponds to the 8-SOIC footprint. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and compliance with current RoHS standards before finalizing procurement decisions.
Selection Notes
Select this component when designing systems that require a compact, high-efficiency buck converter solution. Consider its transient response capabilities if the application involves rapid load changes. Evaluate the 8-SOIC package constraints against available PCB space. Confirm that the input voltage range and control interface align with the system architecture before integrating into the schematic.
Part Context
This part belongs to the ADP1147 family of high-efficiency step-down switching regulators. These controllers are engineered to provide robust performance in power management circuits. The series is known for delivering reliable voltage regulation while maintaining high energy efficiency across various operating conditions, making it suitable for modern electronic equipment.
Replacement Considerations
Consult the Analog Devices product selector guide for direct functional equivalents within the same family. Verify compatibility regarding package dimensions and pin assignments when considering alternative part numbers from the manufacturer's catalog.
