| ACON |
Minimum AC mains input RMS voltage to allow initial start-up, or restart, UCC28630, UCC28631, UCC28632, UCC28633 |
80 |
VAC |
| Minimum AC mains input RMS voltage to allow initial start-up, or restart, UCC28634 |
68 |
VAC |
| ACOFF |
Minimum AC mains input RMS voltage below which PWM stops, UCC28630, UCC28631, UCC28632, UCC28633 |
65 |
VAC |
| Minimum AC mains input RMS voltage below which PWM stops, UCC28634 |
58 |
VAC |
| tUV(delay) |
Delay time for which AC mains must remain below ACOFF level to disable PWM, i.e. brownout delay time |
40 |
ms |
| tRESET(short) |
Delay time in sleep mode before restart is initiated – applies to ACUV, X-capacitor discharge responses |
500 |
ms |
| tRESET(long) |
Delay time in sleep mode before restart is initiated – applies to all other auto-restart faults |
1,000 |
ms |
| fSW(uv) |
Switching frequency used during initial 3-cycle exploratory pulses for ACON detection at start-up |
15 |
kHz |
| tON(max_uv) |
Maximum on-time used during initial 3-cycle exploratory pulses for ACON detection at start-up |
2.3 |
µs |
| KLINE |
Device internal line sense gain factor |
49.25 |
|
| KCC1 |
Device internal CC mode gain factor |
44.5 |
|
| KCC2 |
Device internal CC mode offset factor |
69.5 |
|
| fSMP(max) |
Maximum magnetic sense sample rate; in effect when fSW > fSMP(max) |
16 |
kHz |
| VDD(latch_hi) |
Upper VDD regulation level during latched fault mode |
10 |
V |
| VDD(latch_lo) |
Lower VDD regulation level during latched fault mode |
8 |
V |
| tON(hv) |
HV current source on-time during X-capacitor sampling |
20 |
µs |
| tSMP(hv) |
HV current source sample repetition rate during X-capacitor sample burst |
1 |
ms |
| tWAIT(hv) |
HV current source wait-time between X-capacitor sampling bursts |
200 |
ms |
| PLL(%) |
Light-load region threshold as % of PNOM |
12.5% |
|
| VDD(sc) |
VDD short-circuit threshold below which charging current is limited |
1.0 |
V |
| tPROP(gate) |
Internal PWM comparator + latch + gate driver aggregate delay |
100 |
ns |
| tSTART(del) |
Internal start-up initialization delay |
3 |
ms |
| VSENSE(wake) |
VSENSE pin wake threshold for fast transient response (UCC28633 only) |
0.8 |
V |