The UC39432 is an adjustable precision analog controller with 100mA sink capability if the ISET pin is grounded. A resistor between ISET and ground will modify the transconductance while decreasing the maximum current sink. This will add further control in the optocoupler configuration. The trimmed precision reference along with the non-inverting error amplifier inputs are accessible for custom configuration. A sister device, the UC39431 adjustable shunt regulator, has an on-board resistor network providing six preprogrammed voltage levels, as well as external programming capability.
| VO (V) | 1.3 |
| Initial accuracy (max) (%) | 0.4 |
| Reference voltage (V) | 1.3 |
| Rating | Catalog |
| Temp coeff (max) (ppm/°C) | 44 |
| Operating temperature range (°C) | 0 to 70 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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