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Rs. SKU: 4975
Availability: In Stock
Product details of LM338T 1.2V-32V 5-Amp Adjustable Regulators TO-220
The LM138 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 5 A over a 1.2-V to 32-V output range. They are exceptionally easy to use and require only 2 resistors to set the output voltage. Careful circuit design has resulted in outstanding load and line regulation, comparable to many commercial power supplies. The LM138 family is supplied in a standard 3-lead transistor package. A unique feature of the LM138 family is time dependent current limiting. The current limit circuitry allows peak currents of up to 12 A to be drawn from the regulator for short periods of time. This allows the LM138 to be used with heavy transient loads and speeds start-up under full-load conditions. Under sustained loading conditions, the current limit decreases to a safe value protecting the regulator. Also included on the chip are thermal overload protection and safe area protection for the power transistor. Overload protection remains functional even if the adjustment (ADJ) pin is accidentally disconnected.
Specification of LM338T 1.2V-32V 5-Amp Adjustable Regulators TO-220
output current: 7A Maximum
output current: 5A
Adjustable output 1.2V to 37V
Line regulation typically 0.005% /V
Line regulation typically 0.1%
Thermal regulation
Current limit constant with temperature
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