SG2549 Microsemi Corporation, SG2549 Datasheet
SG2549
Available stocks
Related parts for SG2549
SG2549 Summary of contents
Page 1
... With delays in the range of 200 nanoseconds, this latch circuit is ideal for fast reaction sensing to provide overall current limiting, short circuit protection, or transformer saturation control. BLOCK DIAGRAM SCHEMATIC 4/90 Rev 1.1 2/94 Copyright 1994 SG1549/SG2549/SG3549 CURRENT SENSE LATCH FEATURES Current sensing with 100mV threshold Common-mode input at ground or to 40V Complementary outputs ...
Page 2
... JA (Note 2) 5.0V Reset HI Voltage .................................................... 2V to 40V Operating Ambient Temperature Range 5V to 40V SG1549Y ....................................................... 0 to 10mA SG2549Y or M ................................................. 0V to 0.8V SG3549Y or M .................................................... 70 C, and V = 5V. Low duty cycle pulse testing techniques are used which maintains junction and case A S Test Conditions ...
Page 3
... V D(OFF Amplitude = 200mV Amplitude = 200mV, R D(ON) ) Amplitude = 200mV, V D(ON Input = 200mV SWITCHING WAVEFORMS , and perhaps a diode across SG1549/SG2549/SG3549 SG1549/2549 Min. Typ. Max. Min. Typ. Max. 0 0.1 2.8 3.2 2.8 .01 1.0 0.5 .3 SG1549 Series Min. Typ. Max. = 470 FIGURE 1 — ...
Page 4
... HI CM INPUT - 125 C — INPUT + LO CM INPUT - — INPUT - All parts are viewed from the top. 4 SG1549/SG2549/SG3549 CONSTANT DRIVE CURRENT EMITTER CURRENT SENSING CLOCK RESET 3 ...