Texas Instruments LM138K STEEL/NOPB

The Texas Instruments LM138K STEEL/NOPB is a voltage regulator IC that comes in a TO-3 metal package. It has a maximum output voltage of 33V and a maximum output current of 5A. The IC has an adjustable output voltage which can be set from 1.2 V to 32 V. The LM138K has a typical dropout voltage of 2.5 V at a load current of 5 A, which means that the input voltage must be at least 2.5 V higher than the output voltage for the IC to regulate the output voltage correctly.

The LM138K is designed to work with a wide range of capacitor types and values. It has a built-in thermal protection system that ensures the IC operates within its safe temperature range. The LM138K has additional protection features like overvoltage protection and current limiting protection. The IC has a wide temperature range of -55°C to 150°C, which makes it ideal for use in harsh environments like industrial applications. It has a low quiescent current of 6 mA, which makes it ideal for use in battery-powered applications. The LM138K is commonly used in power supplies and voltage regulators for several applications such as audio amplifiers, motor drivers, and LED drivers

Current - Output	5A
Mounting Type	Through Hole
Number of Regulators	1
Operating Temperature	-55°C ~ 150°C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	TO-204AA, TO-3
Packaging	Tray
Protection Features	Over Temperature
PSRR	75dB (120Hz)
Supplier Device Package	TO-3-2
Voltage - Input (Max)	40V
Voltage - Output (Max)	32V
Voltage - Output (Min/Fixed)	1.2V