JAJSGZ6E January 2009 – February 2019 UC1842A-SP , UC1844A-SP
PRODUCTION DATA.
PIN | I/O | DESCRIPTION | ||
---|---|---|---|---|
NAME | CDIP | LCCC | ||
Comp | 1 | 2 | I | Error amplifier output. |
VFB | 2 | 5 | I | Voltage feedback input to error amplifier. |
ISENSE(C/S) | 3 | 7 | I | Current sense comparator input pin. |
RT/CT | 4 | 10 | I | RC time constant input to oscillator. |
NC | — | 1, 3, 4, 6, 8, 9, 11, 14, 16, 19 | — | No connect. |
Pwr Gnd | — | 12 | — | Output section ground. |
Gnd | 5 | 13 | — | Ground. |
Output | 6 | 15 | O | Regulated output. |
VC | — | 17 | — | Output section supply voltage. |
VCC | 7 | 18 | — | Unregulated supply voltage. |
VREF | 8 | 20 | O | 5-V internally generated reference. |