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Product Detailed Parameters
- Description：IC REG BUCK 1.5V 3A 16TQFN
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.5V
- Voltage - Output (Max)：-
- Current - Output：3A
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-TQFN (3x3)
- Grade：-
- Qualification：-
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Overview
The AS1328A-BQFT-15 is a Buck Switching Regulator IC manufactured by ams OSRAM. It provides a positive fixed output voltage of 1.5V with a maximum output current capacity of 3A. The device is housed in a 16-WFQFN package with an exposed pad, designed for surface mount technology (SMD/SMT) applications. It operates as a synchronous rectifier switching regulator, ensuring efficient power conversion. The input voltage range starts at a minimum of 2.7V, making it suitable for low-voltage battery-powered systems. This component belongs to the broader family of voltage regulators and PMICs offered by the manufacturer.
Feature Summary
- Integrated synchronous buck converter architecture for high efficiency
- Fixed 1.5V output voltage capability
- High current delivery up to 3A
- Compact 16-pin QFN footprint
Applications
- Portable electronic devices requiring stable low-voltage rails
- Battery-operated consumer electronics
- Embedded systems with single-cell lithium-ion power sources
- General-purpose DC-DC step-down conversion in compact PCB designs
Procurement Notes
Verify the specific suffix -15 confirms the 1.5V fixed output variant, as other suffixes may indicate different voltages. Confirm RoHS compliance status through official datasheets or distributor documentation. Check for moisture sensitivity labeling if storage conditions are critical. Ensure the 16-TQFN/MLPQ16 package dimensions match your PCB footprint requirements precisely before finalizing procurement orders.
Selection Notes
Select this component when a fixed 1.5V rail is required from a 2.7V+ input source. The 3A current rating supports moderate load applications. Consider the thermal performance of the exposed pad design for heat dissipation. Compare against adjustable variants if voltage flexibility is needed. Ensure the operating temperature range meets system environmental specifications.
Part Context
This part is part of ams OSRAM's portfolio of power management integrated circuits (PMICs). While ams OSRAM is widely known for optoelectronics, they also provide specialized analog and mixed-signal solutions. The AS1328A series represents their line of synchronous buck converters, targeting efficiency and size constraints in modern portable electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided reference data. Users should consult official replacement guides or contact the manufacturer directly for qualified alternatives.
