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Product Detailed Parameters
- Description：IC REG BUCK ADJ 20A 34PQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：20A
- 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 FAN23SV20MAMPX is a synchronous buck regulator from onsemi, housed in a 34-PowerTFQFN package. It supports an input voltage range of 7V to 18V and delivers up to 20A output current. The adjustable output voltage spans from 0.6V to 5.5V. Operating frequencies are configurable between 200kHz and 1MHz. The device features integrated synchronous rectification and operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Adjustable switching frequency for optimization
- Wide input voltage capability
- High current delivery capacity
Applications
- Point-of-load regulation
- Industrial equipment power supplies
- Telecommunications infrastructure
Procurement Notes
Verify the specific suffix 'AMPX' against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure the ordering part number matches the exact package dimensions and marking requirements. Cross-reference with the latest RoHS compliance documentation before finalizing procurement specifications.
Selection Notes
Select this component when a single-output synchronous buck converter is required for high-current applications. The wide input range accommodates various bus voltages. The adjustable frequency allows designers to balance efficiency against external component size. Verify that the thermal performance of the 34-PQFN package meets the system's heat dissipation needs under maximum load conditions.
Part Context
This part belongs to the TinyBuck family of integrated synchronous regulators by onsemi. These devices are designed to provide compact solutions for power management in space-constrained environments. The series typically offers high efficiency and simplified design through integrated power switches and control logic.
Replacement Considerations
Check for direct pin-to-pin replacements within the same product family. Verify that any substitute maintains the 20A current rating and compatible input/output voltage ranges. Ensure the replacement package matches the 34-PowerTFQFN footprint.
