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Product Detailed Parameters
- Description：IC REG LINEAR 2.8V 250MA SOT23-5
- Series：-
- Mfr：Fremont Micro Devices Ltd
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：2.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.12V @ 100mA
- Current - Output：250mA
- Current - Quiescent (Iq)：36 µA
- Current - Supply (Max)：-
- PSRR：72dB ~ 60dB (1kHz ~ 10kHz )
- Control Features：Enable
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The FT531GA is a positive fixed linear voltage regulator manufactured by Fremont Micro Devices Ltd. It provides a fixed output voltage of 2.8V with a maximum output current of 250mA. The device features a low dropout voltage of 0.14V at 100mA and operates within an input voltage range up to 6V. It incorporates overcurrent protection and an enable control feature. The component is housed in a SOT-23-5 package and supports surface mount installation. It functions across a temperature range of -40°C to 85°C.
Feature Summary
- Provides a stable fixed 2.8V output voltage for power management applications
- Includes overcurrent protection to safeguard connected circuitry
- Features an enable pin for precise power control and management
Applications
- Battery-powered portable electronic devices requiring efficient voltage regulation
- Embedded systems utilizing low-dropout regulators for stable power supply
- General-purpose linear voltage regulation in consumer electronics
Procurement Notes
Verify the obsolete status of this component before procurement planning, as it is no longer manufactured. Confirm availability through authorized distributors or secondary markets if immediate sourcing is required. Ensure that any substitute components meet the original electrical specifications and package dimensions to maintain design integrity. Check for RoHS compliance requirements specific to your region and application standards.
Selection Notes
Select this component when a fixed 2.8V output is required with moderate current capabilities up to 250mA. Consider its low dropout characteristic for applications where the input voltage is close to the output level. The SOT-23-5 package makes it suitable for space-constrained designs. Evaluate the need for an enable function to manage power consumption effectively in battery-operated systems.
Part Context
The FT531GA belongs to the FT531 series of linear voltage regulators from Fremont Micro Devices Ltd. This series includes various output voltage options such as 1.2V, 2.5V, and 2.8V, all sharing similar performance characteristics and packaging. These regulators are designed for general-purpose power management tasks in compact electronic devices.
Replacement Considerations
Publicly confirmed substitute part numbers include AP7335-25WG-7 from Diodes Incorporated and LDS3985M25R from STMicroelectronics. Verify compatibility regarding output voltage, current rating, and physical footprint before substitution.
