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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 AS1326B-BTDT is a synchronous boost switching regulator IC manufactured by ams-OSRAM. It operates with an input voltage range supporting step-up conversion to fixed output voltages of 2.5V or 3.3V, and features an adjustable output setting. The device delivers a switch current of 1.25A and utilizes a 10-pin TDFN package with an exposed pad for thermal management.
Feature Summary
- Synchronous boost topology for high efficiency
- Integrated power switch rated at 1.25A
- Fixed or adjustable output voltage options
- Compact TDFN-10 package design
Applications
- Portable electronic devices requiring step-up power
- Battery-powered systems needing stable voltage regulation
- General purpose DC-DC conversion in compact form factors
Procurement Notes
Verify the specific output voltage configuration (2.5V, 3.3V, or adjustable) as variants exist within the AS1326B series. Confirm the package type matches the required PCB footprint. Ensure compatibility with the intended input voltage range and load current requirements before finalizing procurement decisions.
Selection Notes
Select this component when a synchronous boost converter is needed for space-constrained applications. The 1.25A current capability suits moderate load requirements. Consider the available output voltage options to match system rails without additional post-regulation stages.
Part Context
This part belongs to the AS1326 family of power management ICs from ams-OSRAM. These regulators are designed for portable electronics, offering efficient power conversion in small packages. The BTDT suffix indicates the specific tape and reel packaging format.
Replacement Considerations
Check for direct pin-compatible alternatives from the same manufacturer or other vendors offering similar boost topologies. Verify that substitute parts meet the 1.25A current rating and fit the TDFN-10 footprint.
