SGLS274 Data sheet

SGLS274I 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		TYP	MAX	UNIT
SWITCHING TIME
t_r	Rise time (OUTA, OUTB)	C_LOAD = 1.8 nF⁽¹⁾		20	40	ns
t_f	Fall time (OUTA, OUTB)	C_LOAD = 1.8 nF⁽¹⁾		15	40	ns
t_D1	Delay time, IN rising (IN to OUT)	C_LOAD = 1.8 nF⁽¹⁾		25	50	ns
t_D2	Delay time, IN falling (IN to OUT)	C_LOAD = 1.8 nF⁽¹⁾	UCC27423-Q1, UCC27424-Q1	35	60	ns
t_D2	Delay time, IN falling (IN to OUT)	C_LOAD = 1.8 nF⁽¹⁾	UCC27425-Q1	35	70	ns
ENABLE (ENBA, ENBB)
t_D3	Propagation delay time⁽³⁾	C_LOAD = 1.8 nF⁽¹⁾⁽²⁾		30	60	ns
t_D4	Propagation delay time⁽³⁾	C_LOAD = 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