LTV-845S-TA

Output Type:	Darlington
Supplier Device Package:	16-SMD
Package / Case:	16-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	80mA
Voltage - Output (Max):	35V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	60µs, 53µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	7500% @ 1mA
Current Transfer Ratio (Min):	600% @ 1mA
Voltage - Isolation:	5000Vrms
Number of Channels:	4
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators are electronic components designed to safely isolate two parts of a circuit, electrically and optically. They come in many different varieties and can offer varying levels of performance to meet the needs of many applications. The LTV-845S-TA optoisolator is a transistor, photovoltaic output device designed for use in isolated AC output circuits. It features a range of very high insulation voltage up to 5kV rms.The LTV-845S-TA optoisolator is typically used in power supplies, motion control systems, motor and instrumentation control systems and other industrial applications that require electrical isolation. It can be used to provide AC output isolation in an AC output circuit by isolating the high voltage power supply from the low voltage part of the circuit. The safety of the system is greatly increased as a result. The LTV-845S-TA optoisolator features an isolated package with a 0.5" clearance distance between the leads, an integrated halo around the die, shielding the transfer of high voltage from the die leadout to the device terminals and an over-voltage protection structure that can protect the device from up to 10kVolt peaks. The device also has a solid state construction with no mechanical moving parts, ensuring consistent performance over extended operating times.The working principle of the LTV-845S-TA optoisolator is based on a cell-like construction. It contains two parts, a photovoltaic receiver and a transistor output. The structure of the cell is such that light energy is converted to electron flow by the photovoltaic receiver and the current flow is controlled by the transistor output. When a low voltage signal is applied to the receiver, it switches the transistor output on and off. This creates an AC output signal that isolates the low voltage portions of the circuit from the high voltage portions. The optoisolator also features a selectable gain setting, allowing the user to increase or decrease the signal strength. This allows for better performance in applications that require more precision. It also features a testable shutdown mode and a resetable open drain output, offering flexibility and providing an easier method for troubleshooting. The LTV-845S-TA optoisolator provides an effective means of isolating circuits and significantly increases the safety of the system. It is a versatile device that can be used in many applications requiring electrical isolation between two parts of a circuit. With its selectable gain settings and resetable open drain output, it is a cost-effective solution for isolated AC output control applications.

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