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Product Detailed Parameters
- Description：IC REG BUCK 3.3V 150MA 8QFN
- 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)：2.4V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：150mA
- Frequency - Switching：-
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-UFQFN Exposed Pad
- Supplier Device Package：8-QFN (2x2)
- Grade：-
- Qualification：-
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Overview
The AS1313-BTDM-33 is a positive fixed buck switching regulator IC manufactured by ams OSRAM. It provides a stable 3.3V output with a maximum current capacity of 150mA. The device features a single output channel and operates within an input voltage range suitable for various power supply applications. It is housed in an 8-UFQFN package with an exposed pad, designed for surface mount technology (SMD/SMT) installation. The component supports a switching frequency of 500 kHz and functions reliably across a temperature range from -40°C to +85°C.
Feature Summary
- Integrates a synchronous buck converter topology for efficient step-down voltage regulation.
- Features ultra-low quiescent current consumption for enhanced battery life in portable devices.
- Includes internal compensation and protection mechanisms for stable operation without external components.
Applications
- Battery-powered portable electronics requiring efficient voltage regulation
- Consumer devices needing low standby power consumption
- Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
Procurement Notes
Verify the specific suffix 'BTDM' confirms the 3.3V fixed output and 8-UFQFN package configuration. Ensure compatibility with your PCB footprint and thermal requirements. Confirm availability status as distribution channels may vary. Check for moisture sensitivity level (MSL) handling instructions if storage conditions are not controlled. Validate that the operating temperature range meets your environmental specifications.
Selection Notes
Select this regulator when a compact solution with high efficiency at light loads is required. The 150mA output current suits low-power applications where space is constrained. Consider the 8-UFQFN package for dense board layouts. Compare against other AS13xx series variants if different output voltages or current capabilities are needed. Ensure input voltage ranges align with your system's power source.
Part Context
This component belongs to the AS1313 series of switching regulators from ams OSRAM. The series focuses on ultra-low power consumption and small form factors. It is part of the broader portfolio of power management integrated circuits (PMICs) designed for mobile and consumer electronics. The BTDM suffix indicates specific packaging and output voltage characteristics within this product line.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official ams OSRAM resources for cross-reference information. Verify pin-to-pin compatibility and electrical parameter equivalence before considering alternative components.
