ZHCSFS3A December 2016 – February 2019 UC1843A-SP
PRODUCTION DATA.
| PIN | I/O | DESCRIPTION | |||
|---|---|---|---|---|---|
| NAME | CDIP | LCCC | CFP | ||
| Comp | 1 | 2 | 1 | I | Error amplifier output. |
| VFB | 2 | 5 | 2 | I | Voltage feedback input to error amplifier. |
| ISENSE(C/S) | 3 | 7 | 3 | I | Current sense comparator input pin. |
| RT/CT | 4 | 10 | 4 | I | RC time constant input to oscillator. |
| NC | — | 1, 3, 4, 6, 8, 9, 11, 14, 16, 19 | 5, 6 | — | No connect. |
| Pwr Gnd | — | 12 | — | — | Output section ground. |
| Gnd | 5 | 13 | 7 | — | Ground. |
| Output | 6 | 15 | 8 | O | Regulated output. |
| VC | — | 17 | — | — | Output section supply voltage. |
| VCC | 7 | 18 | 9 | — | Unregulated supply voltage. |
| VREF | 8 | 20 | 10 | O | 5-V internally generated reference. |