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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA335W датащи(PDF) 12 Page - STMicroelectronics |
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STA335W датащи(HTML) 12 Page - STMicroelectronics |
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12 / 43 page  Electrical specifications STA335W 12/43 3.7 Testing 3.7.1 Functional pin definition Figure 5. Test circuit 1 Figure 6. Test circuit 2 Table 8. Functional pin definition Pin name Number Logic value IC status PWRDN 23 0 Low consumption 1 Normal operation TWARN 20 0 A temperature warning is indicated by the external power stage 1 Normal operation EAPD 19 0 Low consumption for power stage All internal regulators are switched off 1 Normal operation DTr DTf Vcc (3/4)Vcc (1/2)Vcc (1/4)Vcc t OUTxY Low current dead time = MAX(DTr, DTf) +Vcc Duty cycle = 50% INxY M58 M57 OUTxY gnd vdc = Vcc/2 V67 R 8 Ω + - High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B)) +VCC Rload=4 Ω Q2 OUTB DTout(B) DTin(B) DTout(A) C71 470nF C70 470nF C69 470nF Iout=1.5A Iout=1.5A Q4 Q1 Q3 M64 INB M63 D06AU1651 M58 INA M57 DTin(A) Duty cycle=A Duty cycle=B Duty cycle A and B: Fixed to have DC output current of 4A in the direction shown in figure L68 10 μ L67 10 μ OUTA |
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