1PMT5 0AT1/T3 Series TYPICAL PROTECTION CIRCUIT LOAD 自聿镛聿聿 PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAYS TO 50% PEAK VALUE-lRSM-ts10 us s HALF VALUE PULSE WIDTH (us) t, TIME(ms) Figure 1. Pulse Rating Curve Figure 2. 10 X 1000 us Pulse Waveform ItPEAK VALUE IRSM@8us 8 PULSE WIDTH (tp) IS DEFINED_为 AS THAT POINT WHERE THE PEAK CURRENT DECAY 8 2 G u2山告 HALF VALUE IRSM2@ 20 us TA, AMBIENT TEMPERATURE (C) Figure 3. 8 x 20 us Pulse Waveform Figure 4. Pulse Derating Curve httpllonsemi.com1PMT5.0AT1/T3 Series http://onsemi.com 3 P , PEAK POWER (WATTS) P tP, PULSE WIDTH (
s) 100 1000 10,000 1.0 10 100 10 01 2 3 4 0 50 100 t, TIME (ms) VALUE (%) HALF VALUE − IRSM 2 PEAK VALUE − IRSM tr tr
≤ 10
s TYPICAL PROTECTION CIRCUIT Vin VL Zin LOAD PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT @ TA = 25 C° 100 80 60 40 20 0 0 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (°C) 120 140 160 tP PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF IRSM. Figure 1. Pulse Rating Curve Figure 2. 10 X 1000
s Pulse Waveform 100 90 80 70 60 50 40 30 20 10 0 0 20 40 60 80 t, TIME (
s) % OF PEAK PULSE CURRENT tP tr PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAY = 8
s PEAK VALUE IRSM @ 8
s HALF VALUE IRSM/2 @ 20
s Figure 3. 8 X 20
s Pulse Waveform 1000 10,000 Figure 4. Pulse Derating Curve