| Part number
| Predecessor
| Obsolete?
| Description |
LM105 LM305 |
LM100 |
|
Adjustable positive voltage regulator (4.5 V-40 V)[60] |
LM109 LM309 |
|
|
5-volt regulator (up to 1 A)[61] |
LM117 LM317 |
|
|
Adjustable 1.5 A positive voltage regulator (1.25 V-37 V)[62] |
LM120 LM320 |
|
|
Fixed 1.5 A negative voltage regulator (-5 V, -12 V, -15 V)[63] |
LM123 LM323 |
|
|
Fixed 3 A, 5-volt positive voltage regulator[64] |
| LM325 |
|
Yes |
Dual ±15-volt voltage regulator[65] |
| LM330 |
|
|
5-volt positive voltage regulator, 0.6 V input-output difference[66] |
| LM333 |
|
Yes |
Adjustable 3 A negative voltage regulator (-1.2 V to -32 V)[67] |
LM137 LM237 LM337 |
|
|
Adjustable 1.5 A negative voltage regulator (-1.2 V to -37 V)[68] |
LM138 LM338 |
|
|
Adjustable 5 A voltage regulator (1.2 V-32 V)[69] |
LM196 LM396 |
|
|
Adjustable 10 A voltage regulator (1.2 V-32 V) National Semiconductor (Obsolete NLA but datasheet available). |
LM140 LM340 |
LM78xx |
|
1 A positive voltage regulator (5 V, 12 V, 15 V), can be adjustable[70][71] |
LM341 LM78Mxx |
|
|
0.5 A protected positive voltage regulators (5 V, 12 V, 15 V)[72] |
LM145 LM345 |
|
Yes |
Fixed 3 A, -5-volt negative voltage regulator[73] |
LM150 LM350 |
|
only LM150 |
Adjustable 3 A, positive voltage regulator (1.2 V-33 V)[74][75] |
| LM723 |
|
|
Low power variable voltage regulator |
| LM78xx |
|
|
Fixed 1 A positive voltage regulators (5 V-24 V)[76] |
| LM79xx |
|
|
Fixed 1.5 A negative voltage regulators (-5 V, -12 V, -15 V)[77] |
| LM2576 |
|
|
Fixed and adjustable 3 A buck/buck-boost switching regulators. output range (1.23v to 37v).[78] |
LM1524 LM2524 LM3524 |
|
|
Regulating pulse width modulator. |
| LM2596 |
|
|
Fixed and adjustable 3 A buck switching regulators. f=150 kHz.[79] |
| LM2679 |
|
|
Fixed and adjustable 5 A buck switching regulators. f=260 kHz.[80] |
| LM61430-q1 |
|
|
3-V to 36-V, 3-A, Low-EMI Synchronous Step-Down Converter. f=0.2-2 MHz.[81] |
| LM3281 |
|
|
3V to 5V, 1-A, DC-DC Step-Down Converter. 3.3V-OUT(fixed) f=6 MHz. 94% efficiency at 300mA load[82] |