The LM395P is a fast, monolithic power integrated circuit with complete overload protection. These devices, which act as high gain power transistors, have included on the chip, current limiting, power limiting, and thermal overload protection making them virtually impossible to destroy from any type of overload. The inclusion of thermal limiting, a feature not easily available in discrete designs, provides virtually absolute protection against overload. Excessive power dissipation or inadequate heat sinking causes the thermal limiting circuitry to turn off the device preventing excessive heating.
The LM395P offers a significant increase in reliability as well as simplifying power circuitry. In some applications, where protection is unusually difficult, such as switching regulators, lamp or solenoid drivers where normal power dissipation is low, the LM395P is especially advantageous.
The LM395P is easy to use and only a few precautions need be observed. Excessive collector to emitter voltage can destroy the LM395P as with any power transistor. When the device is used as an emitter follower with low source impedance, it is necessary to insert a 5.0k resistor in series with the base lead to prevent possible emitter follower oscillations. Although the device is usually stable as an emitter follower, the resistor eliminates the possibility of trouble without degrading performance. Finally, since it has good high frequency response, supply bypassing is recommended.
Case is TO 220 with a larger tab. Mfg is National Semiconductor. Buyer to pay shipping.Preferred method of payment is Pay Pal. Use Pay Pal to pay using any major credit card. If using PayPal, then item(s) shipped the next day upon confirmation from PayPal.
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