Low Dropout Dual Regulator

The Microsemi LX8942 is a dual 8.2V/5V positive voltage Regulator One output is a high current (up to 1000mA) Regulator that CAN be turned on or off by a high impedance low current TTL compatible Switch The second or standby output remains on regardless. The on/off Switch not only shuts off the high current output but actually puts the IC in a micropower mode, achieving low quiescent current. This unique characteristic coupled with an extremely low dropout, (0.55V for output current of 10mA) makes the LX8942 well suited for power systems that require standby memory. The LX8942 includes other features which were originally designed for automotive applications. These include protection from reverse battery installations, double battery jumps and load dump (transients). The high current Regulator has over voltage shutdown to protect both the internal circuitry and the load during line transients, such as load dump (60V). In addition, the high current Regulator design also has built- in protection for short circuit and thermal overload. During these fault conditions of the primary output, the standby Regulator will continue to power its load. The LX8942 is the 8.2 volt, 5% version of a family of dual Regulators with a standby output voltage of 5V. Other high-current outputs programmed for 5V and 12V regulation are available in the SG29055 SG29125 devices. They are designed to function over the full automotive ambient temperature range of -40C to 85C. By Microsemi Corporation
LX8942 's PackagesLX8942 's pdf datasheet



LX8942 Pinout, Pinouts
LX8942 pinout,Pin out
This is one package pinout of LX8942,If you need more pinouts please download LX8942's pdf datasheet.

LX8942 Application circuits
LX8942 circuits
This is one application circuit of LX8942,If you need more circuits,please download LX8942's pdf datasheet.


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