UCC2918/81510

LOW ONRESISTANCE HOT SWAP POWER MANAGER

SLUS457C − JULY 2000 - REVISED APRIL 2001

7

POST OFFICE BOX 655303

TYPICAL CHARACTERISTICS

Figure 3

REVERSE VOLTAGE COMPARATOR

RESPONSE TIME

VIN

0 A

1 A

2 A

3 A

4 A

Figure 4

FAULT TIMING WAVEFORMS

OUTPUT CURRENT

FAULT OUT

NOTE: In Figure 3 the input driven with a pulse generator shows COUT discharging through RL and conducting through UCC81510 FET in the

reverse direction.

Figure 5

INRUSH CURRENT LIMITING

V

OUT

I

0 V

0 A

Figure 6

FAULT AND OUTPUT TURN-OFF

DELAY FROM CT FAULT

THRESHOLD

FAULT OUT

VOUT

NOTE: In Figure 5 the input is switched on through the external FET. VOUT shows IMAX linear amplifier limiting the changing current to COUT.