AS1359-TT-285_EK_ST

Series:	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Channels per IC:	1 - Single
Moisture Sensitivity Level (MSL):	--
Voltage - Output:	2.85V
Current - Output:	300mA
Voltage - Input:	2 V ~ 5.5 V
Regulator Type:	Positive Fixed
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	AS1359

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AS1359-TT-285_EK_ST is an evaluation board with linear voltage regulator. It belongs to a family of voltage regulator referred to as low drop out linear regulators (LDO). This board consists of two adjustable positive linear regulators capable of supplying up to 1.5 A of current.
The AS1359-TT-285_EK_ST boards provide adjustable and low-dropout voltage regulation from a +4.5 to +17 V input voltage. They have a wide variety of switching characteristics, such as fast turn-on and turn-off, low noise and ripple reduction. The board can provide a constant voltage output from as low as 0.75V and up to 5.5V.
The board includes a high frequency output switch for output ripple rejection and a low-noise buffer for regulator stability. It also includes an over current sensing capability and a power saving feature to reduce the dissipation of the regulator.
The AS1359-TT-285_EK_ST board is an excellent choice for low-noise and low-power applications in which a voltage regulator with adjustable output is required. It is suitable for a wide range of applications, such as automotive, consumer, industrial, communications, instrumentation, and test & measurement systems.
The AS1359-TT-285_EK_ST board’s working principle is the same as other LDO regulators. It uses a PNP transistor to regulate the output voltage of the regulator. The control voltage is provided by a feedback voltage divider connected to the output. The output current is monitored and then compared to a reference current set by the gain setting resistors on the board.
The reference current is converted into a voltage by the current sensing amplifier. This voltage is then compared to the control voltage to provide the necessary regulation. When the output voltage rises, the control voltage increases, causing the regulator to reduce the amount of current and consequently the output voltage. When the output voltage drops, the control voltage decreases, allowing the regulator to increase the current and restore the output voltage.
The AS1359-TT-285_EK_ST board also provides a power saving feature which decreases the load current when the output is at a low voltage. This allows the device to save power when the load is low. The board can also be used to precisely control the output voltage by adjusting the feedback voltage divider. This provides better voltage accuracy and stability.
All components on the AS1359-TT-285_EK_ST board are readily available, allowing for quick and easy prototyping and production. The board features short circuit protection and thermal shutdown protection for reliable operation. The design also includes an under voltage lock out feature, which prevents operation when the input voltage is below the minimum required for the regulator to properly operate.
In conclusion, the AS1359-TT-285_EK_ST board is an excellent choice for low-noise, low-power applications. It provides adjustable and low-dropout voltage regulation from a +4.5 to +17 voltage input range and can supply up to 1.5 A of current. The board also features power saving, under voltage lockout and short circuit protection for reliable operation.

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