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Product Detailed Parameters
- Description：IC REG LINEAR 2.8V 400MA 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)：0.42V @ 400mA (Typ)
- Current - Output：400mA
- Current - Quiescent (Iq)：65 µA
- Current - Supply (Max)：-
- PSRR：75dB (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 FT533GA is a linear voltage regulator IC manufactured by Fremont Micro Devices Ltd. It provides a fixed positive output voltage of 2.8V with a maximum output current capability of 400mA. The device operates within an input voltage range up to 6V and supports a junction temperature range of -40°C to 85°C. It is housed in a compact SC-74A or SOT-753 surface-mount package, designed for efficient power management in space-constrained electronic applications requiring stable low-dropout regulation.
Feature Summary
- Fixed 2.8V output voltage configuration
- High current drive capability up to 400mA
- Low dropout linear regulation technology
- Compact surface-mount packaging
Applications
- Portable battery-powered devices
- Embedded system power supplies
- Microcontroller voltage regulation
- Consumer electronics power management
Procurement Notes
Verify the specific manufacturer datasheet for the FT533GA to confirm electrical characteristics and pinout compatibility before integration. Ensure that the supply voltage does not exceed the maximum rated input of 6V to prevent device damage. Confirm thermal requirements for the operating environment, as performance may vary with ambient temperature changes within the specified -40°C to 85°C range.
Selection Notes
Select the FT533GA when a stable 2.8V rail is required for components drawing up to 400mA. Its low dropout characteristic makes it suitable for applications where the input voltage is close to the desired output level. Consider the SOT-753 package size for PCB layout constraints and verify that the thermal dissipation capabilities meet the system's power budget under worst-case load conditions.
Part Context
This component belongs to the family of low-dropout (LDO) linear regulators produced by Fremont Micro Devices Ltd. These devices are engineered to provide clean, stable DC voltages from higher unregulated sources. The FT533GA specifically targets applications needing precise voltage levels with minimal noise, serving as a critical power source for sensitive digital logic and analog circuits in modern portable electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. When seeking alternatives, ensure any replacement matches the 2.8V output, 400mA current rating, and SOT-753/SC-74A package dimensions. Verify that the substitute device offers comparable dropout voltage and thermal performance to maintain system stability.
