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Product Detailed Parameters
- Description：IC REG BST ADJ/3.3V 1.25A 10TDFN
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Adjustable (Fixed)
- Number of Outputs：1
- Voltage - Input (Min)：0.7V
- Voltage - Input (Max)：5V
- Voltage - Output (Min/Fixed)：2.5V (3.3V)
- Voltage - Output (Max)：5V
- Current - Output：1.25A (Switch)
- Frequency - Switching：1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-TDFN (3x3)
- Grade：-
- Qualification：-
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Overview
The AS1326A-BTDT is a boost switching regulator IC manufactured by ams OSRAM AG. It features an adjustable output or fixed 3.3V configuration with a maximum switch current of 1.25A. The device operates within an input voltage range up to 3V and utilizes synchronous rectification for improved efficiency. Designed in an 8-UFDFN exposed pad package, it supports surface mount installation. The component functions as a positive output regulator with a single output channel. Operating temperature ranges from -40°C to +85°C (Ta).
Feature Summary
- Synchronous rectification topology for enhanced power conversion efficiency.
- Integrated boost switching regulator with adjustable or fixed 3.3V output options.
- High peak switch current capability supporting demanding load requirements.
Applications
- Portable electronic devices requiring efficient step-up voltage regulation.
- Battery-powered systems needing stable 3.3V supply rails.
- Compact consumer electronics utilizing space-constrained surface mount designs.
Procurement Notes
Verify component authenticity through authorized distribution channels due to discontinued status. Confirm package integrity and pin alignment against the 8-UFDFN specification before integration. Review latest datasheet revisions for any updates regarding thermal performance or electrical characteristics. Ensure compatibility with existing PCB footprints and soldering profiles during assembly processes.
Selection Notes
Consider the 1.25A switch current limit when designing for high-load applications. Evaluate the need for adjustable versus fixed 3.3V output based on system voltage requirements. Assess thermal dissipation capabilities inherent to the exposed pad package design. Verify input voltage constraints align with available power sources within the target application environment.
Part Context
This component belongs to the AS1326 series of DC-DC switching regulators. It represents a specialized solution for boosting low input voltages to regulated higher outputs. The series emphasizes compact form factors suitable for modern portable electronics. Manufacturing by ams OSRAM AG indicates adherence to specific automotive-grade quality standards often associated with their product lines.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The component status is listed as discontinued. Engineers should consult official manufacturer resources for potential obsolescence management strategies or direct replacements within the same product family.
