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Product Detailed Parameters
- Description：IC REG BUCK ADJ 10A 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)：18V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：10A
- Frequency - Switching：200kHz ~ 1.5MHz
- 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 FAN23SV10MMPX is a synchronous step-down DC-DC converter from Fairchild Semiconductor. It operates with an input voltage range of 7 V to 18 V and provides an adjustable output voltage between 0.6 V and 5.5 V. The device supports a maximum output current of 10 A and features a switching frequency up to 1.5 MHz. Packaged in a 34-pin PowerTFQFN (PQFN) measuring 5.5 x 5 x 1.025 mm, it functions within a temperature range of -40 °C to +125 °C.
Feature Summary
- Synchronous buck topology for high efficiency
- Adjustable output voltage down to 0.6 V
- High current capability up to 10 A
- Wide input voltage range from 7 V to 18 V
Applications
- Point-of-load regulation for embedded systems
- Power supply stages for industrial equipment
- Voltage conversion for communication infrastructure
Procurement Notes
Verify the complete part number including suffixes against official Fairchild or ON Semiconductor documentation to ensure correct package and tape-and-reel specifications. Confirm RoHS compliance status and lead-free markings on the component marking code. Cross-reference the manufacturer's latest datasheet for any revisions to electrical characteristics or recommended operating conditions prior to final design integration.
Selection Notes
Select this component when a compact solution is required for high-current applications with wide input voltage variations. The integrated synchronous rectifiers reduce external component count compared to non-synchronous alternatives. Ensure thermal management strategies account for the PQFN package size and power dissipation at full load currents within the specified ambient temperature range.
Part Context
This device belongs to the FAN23SV series of synchronous buck regulators designed by Fairchild Semiconductor, now part of ON Semiconductor. The series targets applications requiring efficient power conversion in space-constrained environments. The specific model utilizes a 34-terminal PowerTFQFN package to facilitate high-power density designs while maintaining robust thermal performance.
Replacement Considerations
Compatible substitutes include FAN23SV06MPX and FAN23SV15MMPX from the same product family. Verify pin compatibility and electrical parameter alignment before substitution.
