Series 3-Terminal Negative Regulators

The LM120 series are three-terminal negative Regulators with a fixed output voltage of 5V, 12V, and 15V, and up to 1.5A load current capability. Where other voltages are required, the LM137 and LM137HV series provide an output voltage range of 1.2V to 47V.
The LM120 need only one external componenta compensation capacitor at the output, making them easy to apply. Worst case guarantees on output voltage deviation due to any combination of line, load or temperature variation assure satisfactory system operation.
Exceptional effort has been made to make the LM120 Series immune to overload conditions. The Regulators have current limiting which is independent of temperature, combined with thermal overload protection. Internal current limiting protects against momentary faults while thermal shutdown prevents junction temperatures from exceeding safe limits during prolonged overloads.
Although primarily intended for fixed output voltage applications, the LM120 Series may be programmed for higher output voltages with a simple resistive divider. The low quiescent drain current of the devices allows this technique to be used with good regulation.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM3204TL/NOPB Texas Instruments Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers 10-DSBGA -30 to 85
LM320T-15/NOPB Texas Instruments 1.5A Fixed Output Negative Linear Regulators 3-TO-220 0 to 125
LM3209TLX/NOPB Texas Instruments LM3209 Seamless-Transition Buck-Boost Converter for LTE and HSUPA 12-DSBGA
LM3209TLX-G3/NOPB Texas Instruments Seamless Transition Buck-Boost DC/DC regulator for RF Power Amplifiers 12-DSBGA -30 to 85
LM3205SDX-2/NOPB Texas Instruments 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers 10-WSON -30 to 85
LM320T-15 Texas Instruments 1.5A Fixed Output Negative Linear Regulators 3-TO-220 0 to 125
LM3205TL/NOPB Texas Instruments 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers 8-DSBGA -30 to 85
LM3205SD-2/NOPB Texas Instruments 650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers 10-WSON -30 to 85
LM3200TLEV Texas Instruments Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers
LM3200TLX/NOPB Texas Instruments Miniature, Adjustable, Step-Down DC-DC Converter with Bypass Mode for RF Power Amplifiers 10-DSBGA -25 to 85
LM320 's PackagesLM320 's pdf datasheet
LM320T-5.0 TO-220
LM320T-12 TO-220
LM320T-15 TO-220
LM320H-12 TO-39
LM320H-15 TO-39
LM320H-5.0 TO-39
LM320K-12 TO-3
LM320K-15 TO-3
LM320KG-5-MDC
LM320H-12-MWC




LM320 Pinout, Pinouts
LM320 pinout,Pin out
This is one package pinout of LM320,If you need more pinouts please download LM320's pdf datasheet.

LM320 Application circuits
LM320 circuits
This is one application circuit of LM320,If you need more circuits,please download LM320's pdf datasheet.


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