전자부품 데이터시트 검색엔진 |
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STA515W 데이터시트(PDF) 7 Page - STMicroelectronics |
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STA515W 데이터시트(HTML) 7 Page - STMicroelectronics |
7 / 14 page STA515W Electrical characteristics Doc ID 11079 Rev 2 7/14 Test circuits Figure 3. Test circuit Figure 4. Current dead time test circuit Table 7. Threshold switching voltage variation with voltage on pin VL Voltage on pin VL, VL VLOW max VHIGH min Unit 2.7 0.7 1.5 V 3.3 0.8 1.7 V 5.0 0.85 1.85 V Table 8. Logic truth table Pin TRISTATE Inputs as per Figure 4 Transistors as per Figure 4 Output mode INxA INxB Q1 Q2 Q3 Q4 0 x x Off Off Off Off Hi Z 100Off Off On On Dump 101Off On On Off Negative 110On Off Off On Positive 111On On Off Off Not used Low current dead time = MAX(DTr,DTf) OUTxY Vcc (3/4)Vcc (1/2)Vcc (1/4)Vcc t DTf DTr Duty cycle = 50% INxY OUTxY gnd +Vcc R 8 Ω + - vdc = Vcc/2 D03AU1458 High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B)) +VCC Rload=8 Ω Q2 OUTB DTout(B) DTin(B) DTout(A) C71 470nF C70 470nF C69 470nF Iout=4.5A Iout=4.5A Q4 Q1 Q3 INB D03AU1517 INA DTin(A) Duty cycle=A Duty cycle=B Duty cycle A and B: Fixed to have DC output current of 4.5A in the direction shown in figure L68 22 µ L67 22 µ OUTA |
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