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Product Detailed Parameters
- Description：IC REG BUCK ADJ 6A 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)：4.5V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：6A
- 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 FAN2306AMPX is a synchronous buck switching regulator manufactured by onsemi, housed in a 34-PQFN surface-mount package. It supports an input voltage range of 4.5 V to 18 V and delivers up to 6 A of output current. The adjustable output voltage spans from 600 mV to 5.5 V. Operating frequencies are configurable between 200 kHz and 1.5 MHz. The device features a low quiescent current of 18 uA and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Synchronous rectification for high efficiency
- Adjustable switching frequency capability
- Integrated shutdown control
Applications
- Point-of-load regulation
- Industrial equipment power supplies
- Telecommunications infrastructure
Procurement Notes
Verify component authenticity through authorized channels due to obsolete status. Confirm RoHS compliance documentation matches specific manufacturing lots. Validate datasheet revisions against design requirements. Ensure supply chain sources provide traceability records. Check for alternative sourcing options given end-of-life classification.
Selection Notes
Evaluate thermal performance within the PQFN-34 package constraints. Verify input voltage stability against the 4.5 V minimum threshold. Assess load requirements against the 6 A maximum limit. Consider external component selection for the 200 kHz to 1.5 MHz frequency range. Review shutdown pin logic compatibility with system control signals.
Part Context
This component belongs to the FAN2306 series of synchronous buck regulators. It shares architectural similarities with the FAN2310AMPX, which offers higher current capacity. Both devices utilize the same 34-PQFN footprint and similar electrical characteristics, differing primarily in output current ratings.
Replacement Considerations
The FAN2310AMPX serves as a direct functional substitute within the same package family, offering increased current handling. Verify pinout compatibility and thermal dissipation requirements when transitioning between these models.
