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Product Detailed Parameters
- Description：IC REG BUCK 1.5V 600MA TSOT23-5
- 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：600mA
- Frequency - Switching：1.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
- Grade：-
- Qualification：-
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Overview
The AS1324-BTTT-15 is a high-efficiency, constant-frequency synchronous buck converter manufactured by AMS. It operates within an input voltage range of 2.7V to 5.5V and delivers a fixed output voltage of 1.5V with a maximum output current of 600mA. The device features a switching frequency of 1.5MHz and achieves up to 96% efficiency. Typical supply current is 30µA with no load, decreasing to ≤1µA in shutdown mode. It utilizes a 5-pin TSOT-23 package and includes thermal protection.
Feature Summary
- Synchronous rectification eliminates the need for an external Schottky diode
- Automatic powersave operation optimizes efficiency at light loads
- Integrated thermal protection safeguards against overheating
Applications
- Single Li-Ion battery-powered applications
- Portable consumer electronics
- Battery-operated mobile devices
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's official datasheet to ensure compatibility with design requirements. Confirm that the component meets all necessary regulatory standards for the intended application environment before finalizing procurement decisions.
Selection Notes
Select this model when a fixed 1.5V output is required from a single-cell lithium-ion source. Consider the low quiescent current and automatic powersave mode for extended battery life in portable devices. Ensure the 600mA output current capability aligns with the system's peak power demands.
Part Context
This component belongs to the AS1324 family of synchronous DC/DC converters. The family offers both adjustable and fixed-voltage versions to suit various power management needs. The AS1324 series is designed for high efficiency and minimal external component count, making it suitable for space-constrained applications.
Replacement Considerations
Compatible substitutes include other models within the AS1324 family, such as the AS1324-AD (adjustable), AS1324-12 (1.2V), or AS1324-18 (1.8V). Verify pinout and electrical specifications before substitution.
