CHARACTERISTIC CURVES (continued)
SG1543/SG2543/SG3543
FIGURE 3.
COMPARATOR INPUT HYSTERESIS
FIGURE 4.
CURRENT LIMIT INPUT THRESHOLD
FIGURE 5.
CURRENT LIMIT AMPLIFIER GAIN
APPLICATION INFORMATION
FIGURE 6.
CURRENT LIMIT AMPLIFIER FREQUENCY RESPONSE
FIGURE 7 - SURGE LIMIT CIRCUIT FOR LARGE DELAY CAPACITORS
The 100 ohm resistor limits the peak discharge current into the
SG1543 while the external PNP transistor provides a high peak-
current discharge path for the delay capacitor.
11/91 Rev 1.1 2/94
Copyright © 1994
4
FIGURE 8 - INPUT LINE MONITOR
LINFINITY Microelectronics Inc.
11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570