FT531IA

Voltage Dropout (Max):	0.12V @ 100mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	Enable
PSRR:	72dB ~ 60dB (1kHz ~ 10kHz )
Current - Quiescent (Iq):	36µA
Current - Output:	250mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - LinearThe FT531IA is a voltage regulator that provides reliable current and voltage conversion to meet the power demands of different types of applications. This device can be used as a switching regulator, a linear regulator, or a combination of both. It also provides precise, high-frequency, low-power control of output current, voltage, and current limit.The FT531IA is a pin-to-pin compatible dual voltage regulator series with a voltage range of 1.5V to 28V. It also offers a large range of current capabilities up to three amps, both in constant current and pulse current mode. It has a low output noise and excellent thermal performance.The FT531IA is specifically designed to fit a wide range of industrial, mining, and renewable energy applications. As a key component in the power distribution system, it plays a vital role in protecting and controlling the operation of these devices. The linear voltage regulator can be used in many other areas such as automotive, military and aerospace applications.The FT531IA uses a specialized MOSFET to deliver the desired output current. The MOSFET configuration is optimized for low component cost, a low turn-off voltage drop and fast transient response. The maximum open-loop voltage gain for the FT531IA is 90 dB and its dynamic voltage control, in burst mode, allows operation from 100 kHz to 10 MHz.The FT531IA offers two operating modes. The power-saving (PSM) mode reduces power consumption to the order of microamps while the fixed mode provides a constant output current. By adjusting the overload current with a stand-alone potentiometer, both modes can be used in combination to adjust the voltage across the load.In addition, the FT531IA includes an adjustable over-voltage protection (OVP) circuit which can prevent the output voltage from exceeding the rated value. The device is also equipped with an integrated short-circuit protection (SCP) which limits the maximum output current. This mechanism eliminates the risk of damage to external components in the event of over-current or short-circuit conditions.FT531IA offers several features to simplify board-level design, including soft-start, internal circuit protection, and built-in secondary supply filtering. These features help make the FT531IA the most advanced voltage regulator available. It is well-suited for power solutions in applications that require a reliable, long-term power supply solution. In summary, FT531IA is a versatile, low-cost power-management solution for industrial, mining, and renewable energy applications. It has a wide voltage range and offers high-precision current- and voltage-control to meet the demands of any application. By combining its two operating modes, the device can reduce power consumption while still delivering the necessary power output. With its unique design, the FT531IA is an ideal solution for those who need a reliable and cost-effective system.

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