ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG LINEAR 3.3V 1A SOT-223-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.4V @ 1A
- Current - Output：1A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：70dB (120Hz)
- Control Features：Current Limit
- Protection Features：Over Current, Over Temperature, Transient Voltage
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SOT-223-3
- Grade：-
- Qualification：-
Download product information
Overview
The LA1117AADB330 is a Low Dropout (LDO) linear voltage regulator manufactured by Diodes Incorporated. It belongs to the AZ1117R series and provides a fixed positive output voltage of 3.3 V with a maximum continuous output current capability of 1 A. The device operates within an input voltage range from a minimum of 3.2 V to a maximum of 15 V. It features a typical power supply rejection ratio (PSRR) of 75 dB and maintains operation across an extended temperature range from -40 °C to +125 °C. The component utilizes surface-mount technology for integration into printed circuit boards.
Feature Summary
- Provides stable regulated power delivery with low dropout characteristics suitable for battery-powered applications
- Integrates internal protection mechanisms including thermal shutdown and safe operating area limitations
- Designed for high ripple rejection performance to maintain clean power rails in noise-sensitive circuits
Applications
- Portable consumer electronics requiring efficient step-down regulation
- Battery-operated devices needing extended runtime through low quiescent current operation
- Embedded systems requiring stable 3.3 V logic supply levels
Procurement Notes
Verify the specific manufacturer part number against official Diodes Incorporated documentation before procurement. Confirm that the requested component matches the exact electrical specifications and package type required for your design. Check for any recent product change notifications or end-of-life announcements associated with this part number to ensure long-term availability and supply chain stability.
Selection Notes
Select this component when a fixed 3.3 V output at 1 A is required with minimal external components. Ensure the input voltage remains above the minimum threshold while accounting for dropout voltage under load conditions. Verify that the thermal management strategy supports the expected power dissipation within the specified ambient temperature range for reliable long-term operation.
Part Context
This component is part of the AZ1117R family of low dropout regulators designed for general-purpose power management. The series offers various fixed voltage options and adjustable configurations to support diverse system requirements. These regulators are engineered to provide robust performance in compact surface-mount packages, facilitating space-constrained designs in modern electronic equipment.
Replacement Considerations
Consult official Diodes Incorporated substitution guides for verified alternative part numbers. Cross-reference electrical parameters such as output voltage tolerance, current capacity, and package dimensions to ensure compatibility. Do not assume interchangeability with other manufacturers' parts without verifying pinout and specification alignment.
