The LM237 and LM337 are adjustable 3-terminal negative-voltage regulators capable of supplying in excess of –1.5 A over an output voltage range of –1.2 V to –37 V. They require only two external resistors to set the output voltage and one output capacitor for frequency compensation.
| Output options | Adjustable Output |
| Iout (max) (A) | 1.5 |
| Vin (max) (V) | -3 |
| Vin (min) (V) | -40 |
| Vout (max) (V) | -1.2 |
| Vout (min) (V) | -37 |
| Noise (µVrms) | 1110 |
| Iq (typ) (mA) | 1.5 |
| Thermal resistance θJA (°C/W) | 23 |
| Rating | Catalog |
| Load capacitance (min) (µF) | 1 |
| Regulated outputs (#) | 1 |
| Accuracy (%) | 2.4 |
| PSRR at 100 KHz (dB) | 19 |
| Dropout voltage (Vdo) (typ) (mV) | 2000 |
| Operating temperature range (°C) | 0 to 125 |
| TO-220 (KCS) | 3 | 46.228 mm² 10.16 x 4.55 |
| TO-252 (KVU) | 3 | 66.726 mm² 6.6 x 10.11 |
| TO-263 (KTT) | 3 | 154.8384 mm² 10.16 x 15.24 |