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MC34716 Scheda tecnica(PDF) 11 Page - Freescale Semiconductor, Inc |
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MC34716 Scheda tecnica(HTML) 11 Page - Freescale Semiconductor, Inc |
11 / 27 page Analog Integrated Circuit Device Data Freescale Semiconductor 11 34716 ELECTRICAL CHARACTERISTICS ELECTRICAL PERFORMANCE CURVES ELECTRICAL PERFORMANCE CURVES Figure 4. % Efficiency vs. IOUT Figure 5. % Efficiency vs. IOUT CONTROL AND SUPERVISORY (STBY, SD, PG) PG Reset Delay tPGRESET 8.0 - 12 ms Thermal Shutdown Retry Timeout Period (24) tTIMEOUT 80 - 120 ms Minimum OFF Time tOFFMIN - 150 - ns Minimum ON Time tONMIN - 100 - ns Notes 24. Design information only, this parameter is not production tested. Table 4. Dynamic Electrical Characteristics (continued) Characteristics noted under conditions 3.0 V ≤ V IN ≤ 6.0 V, -40°C ≤ T A ≤ 85°C, GND = 0 V, unless otherwise noted. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions, unless otherwise noted. Characteristic Symbol Min Typ Max Unit VDDQ (VOUT1) % Efficiency vs IOUT 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100% 0.00.5 1.01.5 2.0 2.5 3.03.5 4.04.5 5.0 IOUT, Amps VIN = 5V Fs = 1MHz TA=25°C VTT (VOUT2) % Efficien cy vs IOUT 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100% 0 0.5 11.5 22.5 3 IOUT, Amps VIN = 5V Fs = 1MHz TA=25°C |
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