National Semiconductor Fixed Regulators - Negative Single Output Standard 3

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Part RoHS Manufacturer Regulator Type No. of Terminals Package Code Terminal Form Maximum Input Voltage Absolute Maximum Voltage Tolerance Total Dose (V) Package Body Material Surface Mount Operating Temperature (TJ-Max) No. of Functions Technology Screening Level Package Shape Operating Temperature (TJ-Min) Packing Method Minimum Output Voltage-1 Nominal Output Voltage-1 Package Style (Meter) Package Equivalence Code Sub-Category Adjustability Terminal Pitch Maximum Operating Temperature Maximum Line Regulation Minimum Operating Temperature Terminal Finish Terminal Position Maximum Output Voltage-1 JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Status Maximum Load Regulation Minimum Input Voltage Maximum Output Current-1 JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Nominal Dropout Voltage-1 Length Maximum Input Voltage

LM120K-5.0

National Semiconductor

FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

2

PIN/PEG

25 V

4 %

METAL

NO

150 Cel

1

BIPOLAR

ROUND

-55 Cel

4.8 V

5 V

FLANGE MOUNT

TO-204/-3

Other Regulators

FIXED

.025 %

TIN LEAD

BOTTOM

5.2 V

O-MBFM-P2

Not Qualified

.075 %

7 V

1.5 A

e0

1

2.2 V

25 V

LM7915CK

National Semiconductor

FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

3

PIN/PEG

30 V

5 %

METAL

NO

125 Cel

1

BIPOLAR

ROUND

0 Cel

14.4 V

15 V

FLANGE MOUNT

TO-204/-3

Other Regulators

FIXED

.1 %

Tin/Lead (Sn/Pb)

BOTTOM

15.6 V

O-MBFM-P3

Not Qualified

.2 %

17.5 V

1.5 A

e0

1

3.3 V

35 V

LM7912CK

National Semiconductor

FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

3

PIN/PEG

35 V

5 %

METAL

NO

125 Cel

1

BIPOLAR

ROUND

0 Cel

11.5 V

12 V

FLANGE MOUNT

TO-204/-3

Other Regulators

FIXED

.045 %

Tin/Lead (Sn/Pb)

BOTTOM

12.5 V

O-MBFM-P3

Not Qualified

.1 %

14.5 V

1.5 A

e0

1

2.2 V

35 V

Fixed Regulators - Negative Single Output Standard

Fixed regulators are voltage regulators that are designed to provide a constant output voltage regardless of the input voltage or the load current. These regulators are available in different packages and have different output voltage ratings. Fixed regulators are commonly used in electronic circuits to provide a stable voltage to power various components.

Fixed regulators can be classified into two types: negative and positive. Negative regulators provide a negative output voltage, while positive regulators provide a positive output voltage. They can also be classified based on their output voltage: single output or multiple output. Fixed regulators with a single output provide a constant output voltage, whereas those with multiple outputs provide more than one fixed output voltage.

Fixed regulators have several advantages over other types of regulators, such as simplicity, reliability, and low cost. They are also easy to use and do not require any external components to function. However, the main disadvantage of fixed regulators is that they cannot be adjusted to provide different output voltages. This limitation can be overcome by using adjustable regulators, which allow the output voltage to be adjusted within a certain range.