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Product Detailed Parameters
- Description：IC REG BUCK ADJ 15A 34PQFN
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：7V
- Voltage - Input (Max)：24V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：15A
- Frequency - Switching：200kHz ~ 1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：34-PowerTFQFN
- Supplier Device Package：34-PQFN (5.5x5)
- Grade：-
- Qualification：-
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Overview
The FAN23SV65MPX is a synchronous buck switching regulator IC from ON Semiconductor, formerly Fairchild. It operates with an input voltage range of 7 V to 24 V and provides a single adjustable output between 0.6 V and 5.5 V. The device supports a maximum output current of 15 A with a switching frequency ranging from 200 kHz to 1 MHz. It features a 34-pin PowerTFQFN package measuring 5.5 x 5 mm with a height of 1.025 mm. The component functions within a junction temperature range of -40°C to +125°C.
Feature Summary
- Integrated synchronous rectification for high efficiency
- Adjustable output voltage via external resistors
- Wide input voltage compatibility for point-of-load applications
Applications
- Portable electronic devices
- Point-of-load (POL) regulation
- General power management in consumer electronics
Procurement Notes
Verify the manufacturer designation carefully, as this part may be listed under ON Semiconductor due to corporate acquisition history. Confirm the specific suffix 'MPX' matches the required 34-pin PQFN/PowerTFQFN package variant. Ensure the datasheet version aligns with the requested electrical characteristics, particularly the 15A current rating and 24V maximum input specification.
Selection Notes
Select this component when a high-current, compact synchronous buck solution is required for inputs up to 24V. The adjustable output allows flexibility for various core voltages. Consider the thermal performance of the 34-pin QFN package for your PCB layout. Verify that the required switching frequency falls within the 200kHz to 1MHz operational range for your specific filter design needs.
Part Context
This part belongs to the FAN23SV series of high-performance power management integrated circuits designed for portable applications. It represents a transition period product often associated with Fairchild Semiconductor before the ON Semiconductor merger. The series focuses on delivering high current density in small form factors suitable for space-constrained mobile and consumer devices.
Replacement Considerations
Publicly confirmed direct substitute part numbers are not available in the provided documentation. Engineering teams should consult official cross-reference tools or contact the manufacturer for validated alternatives compatible with the 34-pin PowerTFQFN package and 15A specifications.
