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Product Detailed Parameters
- Description：IC REG BOOST 5V 400MA 8TDFN
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：0.7V
- Voltage - Input (Max)：5V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：400mA (Switch)
- Frequency - Switching：-
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-UFDFN Exposed Pad
- Supplier Device Package：8-TDFN (2x2)
- Grade：-
- Qualification：-
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Overview
The AS1312-BTDT-50 is an ultra-low quiescent current hysteretic step-up DC-DC converter manufactured by ams OSRAM. It operates from an input voltage range of +0.7V to +5V and provides a fixed output voltage of +5V. The device delivers an output current of 0.2A with a maximum efficiency of 94%. Designed for surface mount installation in compact packages, it supports a wide operating temperature range from -40°C to +85°C.
Feature Summary
- Ultra-low quiescent current operation for extended battery life
- Hysteretic control topology for fast transient response
- Wide input voltage range starting at 0.7V
- High conversion efficiency up to 94%
Applications
- Battery-powered portable electronics
- Wearable devices requiring low standby current
- Single-cell lithium-ion or polymer battery systems
- Space-constrained mobile applications
Procurement Notes
Verify component authenticity through authorized distributors as the part may be subject to end-of-life status. Confirm package integrity and pin alignment prior to assembly. Review latest datasheet revisions for any updates to electrical characteristics or thermal recommendations. Ensure supply chain compliance with regional export regulations.
Selection Notes
Select this component when ultra-low static current is critical for battery longevity. The fixed 5V output suits applications requiring stable regulation from single-cell sources. Consider the hysteretic control method for simplicity in external component selection. Evaluate thermal performance within the specified ambient temperature range during design integration.
Part Context
This device belongs to the AS1312 series of DC-DC converters designed for high-efficiency power management. It complements other ams OSRAM PMIC solutions by offering specialized low-current boost capabilities. The series targets markets demanding minimal power consumption in compact form factors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer cross-reference tools for potential alternatives if this specific variant is discontinued.
