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Product Detailed Parameters
- Description：IC REG BUCK ADJ 15A 34PQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- 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 FAN23SV65AMPX is a synchronous buck regulator IC from onsemi, housed in a 34-pin PQFN package. It delivers an adjustable output voltage ranging from 0.6 V to 5.5 V with a maximum continuous output current of 15 A. The device supports input voltages up to 18 V and features a programmable switching frequency between 200 kHz and 1.5 MHz. It includes integrated power MOSFETs for high efficiency and operates within a temperature range of -40°C to +125°C.
Feature Summary
- Synchronous buck topology with integrated high-side and low-side power switches
- Adjustable output voltage capability down to 0.6 V
- Programmable switching frequency for optimization of external component size
- Compact 34-pin PowerTFQFN package for space-constrained designs
Applications
- Point-of-load (POL) regulation for industrial equipment
- Power distribution systems in telecommunications infrastructure
- Voltage regulation for embedded computing modules
- Power supplies for networking and storage devices
Procurement Notes
Verify the specific suffix 'AMPX' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Confirm that the 34-pin PQFN footprint matches your PCB layout requirements. Check for RoHS compliance status and lead-free specifications in the latest product release notes before finalizing procurement.
Selection Notes
Select this component when a high-current solution exceeding 10 A is required in a compact form factor. Ensure the application demands an adjustable output voltage rather than a fixed rail. Verify that the system input voltage remains within the 4.5 V to 18 V operating range. Consider thermal management needs due to the 15 A output capability in a small package.
Part Context
This part belongs to the FAN23SV series of high-efficiency synchronous buck regulators designed by onsemi. The series targets applications requiring significant current density in minimal board space. The AMPX variant denotes the specific tape-and-reel packaging configuration used for automated assembly processes.
Replacement Considerations
Direct replacements include other 15 A synchronous buck regulators from onsemi or competitors offering similar 34-pin PQFN footprints. Verify equivalent current ratings, input voltage ranges, and control interface compatibility before substitution.
