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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 6MLP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5.5V
- Current - Output：1.5A
- Frequency - Switching：1.3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：0°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-WDFN Exposed Pad
- Supplier Device Package：6-MLP (3x3)
- Grade：-
- Qualification：-
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Overview
The FAN2011MPX is a monolithic integrated circuit designed as a low-voltage, high-efficiency current-mode synchronous PWM buck regulator. It provides a positive adjustable output voltage starting from 0.8V with a single output capable of delivering up to 1.5A. The device operates within a specified input voltage range and utilizes a 6-WDFN package with an exposed pad for thermal management.
Feature Summary
- Synchronous rectification architecture for enhanced efficiency
- Current-mode control topology for stable operation
- Adjustable output voltage capability
Applications
- Portable electronics power supplies
- Battery-powered devices
- Low-voltage digital logic circuits
Procurement Notes
Verify the manufacturer designation, noting that Fairchild Semiconductor assets are managed by onsemi. Confirm the specific suffix 'MPX' corresponds to the required tape-and-reel packaging format. Ensure the component matches the 6-WDFN footprint and electrical specifications defined in the official datasheet before integration.
Selection Notes
Select this component when a compact solution is required for step-down conversion with moderate current demands. The synchronous design offers superior efficiency compared to non-synchronous alternatives. Verify that the application input voltage falls within the regulator's operational limits and that the thermal performance of the WDFN package suits the enclosure constraints.
Part Context
This part belongs to the FAN2011 series of DC-DC switching regulators. It is categorized under Power Management ICs (PMIC) specifically within the Buck Regulator segment. The series is characterized by low-voltage operation and current-mode control, targeting applications requiring efficient power conversion from higher battery voltages to lower logic levels.
Replacement Considerations
Check for direct substitutes such as the FAN2011EMPX or FAN2011MPX_Q if available. Verify pin compatibility and electrical parameters against the original specification sheet to ensure functional equivalence without redesigning the PCB layout.
