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AOZ1117TI-AAL_2
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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 1A TO252
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：14V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：5V
- Voltage Dropout (Max)：1.4V @ 1A
- Current - Output：1A
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：60dB (120Hz)
- Control Features：-
- Protection Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252 (DPAK)
- Grade：-
- Qualification：-
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Overview
The AOZ1117TI-AAL_2 is a low dropout positive linear regulator manufactured by Alpha & Omega Semiconductor Inc. It provides an adjustable output voltage ranging from 1.25V to 5.0V with a minimum output current capability of 1A. The device operates within an input supply range of 2.75V to 14V and maintains regulation with a maximum dropout voltage of 1.4V at full load. It features a reference voltage of 1.25V, line regulation of 0.3% to 0.5%, and ripple rejection of 60dB to 70dB at 120Hz. The component is housed in a TO-252 package and supports an ambient temperature range of -40°C to +85°C.
Feature Summary
- Provides well-regulated power for low voltage IC applications including high-speed bus termination and logic supplies
- Includes built-in thermal shutdown and output current limiting for circuit protection
- Features fast transient response and good noise rejection capabilities
Applications
- PC peripheral power supplies
- Communication equipment
- VGA cards
Procurement Notes
Verify the specific suffix 'AAL' against official Alpha & Omega Semiconductor documentation to confirm it denotes the adjustable version in the TO-252 package. Ensure compliance with RoHS standards as indicated for AOS products. Confirm that the ordering code matches the intended fixed or adjustable configuration before procurement.
Selection Notes
Select this component when a 1A output current is required with a low dropout voltage under 1.4V. It is suitable for applications requiring input voltages between 2.75V and 14V. Consider the TO-252 package for surface mount implementations where heat dissipation via the tab is necessary. Verify stability requirements regarding output capacitance and ESR values.
Part Context
This part belongs to the AOZ1117 series of 1A low dropout linear regulators. The series includes both adjustable and fixed output voltage variants such as 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V. All variants share similar electrical characteristics and protection features, differing primarily in their output voltage configuration and internal resistor networks.
Replacement Considerations
Compatible substitutes include other 1A low dropout linear regulators in TO-252 packages with comparable dropout voltages and input ranges. Verify pinout compatibility and thermal resistance specifications when replacing. Ensure the replacement device meets the same environmental and safety standards.
