ZHCSTY3I September 2008 – November 2023 UCC27423-Q1 , UCC27424-Q1 , UCC27425-Q1
PRODUCTION DATA
6.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| SWITCHING TIME | |||||||
| tr | Rise time (OUTA, OUTB) | CLOAD = 1.8 nF(1) | 20 | 40 | ns | ||
| tf | Fall time (OUTA, OUTB) | CLOAD = 1.8 nF(1) | 15 | 40 | ns | ||
| tD1 | Delay time, IN rising (IN to OUT) | CLOAD = 1.8 nF(1) | 25 | 50 | ns | ||
| tD2 | Delay time, IN falling (IN to OUT) | CLOAD = 1.8 nF(1) | UCC27423-Q1, UCC27424-Q1 | 35 | 60 | ns | |
| UCC27425-Q1 | 35 | 70 | |||||
| ENABLE (ENBA, ENBB) | |||||||
| tD3 | Propagation delay time(3) | CLOAD = 1.8 nF(1)(2) | 30 | 60 | ns | ||
| tD4 | Propagation delay time(3) | CLOAD = 1.8 nF(1)(2) | 100 | 150 | ns | ||
(1) Specified by design
(2) Not production tested
(3) See Figure 6-2
The 10% and 90%
thresholds depict the dynamics of the bipolar output devices that dominate the
power MOSFET transition through the Miller regions of operation.
Figure 6-1 Switching
Waveforms for (a) Inverting Driver and (b) Noninverting Driver
The 10% and 90%
thresholds depict the dynamics of the bipolar output devices that dominate the
power MOSFET transition through the Miller regions of operation.
Figure 6-2 Switching
Waveform for Enable to Output