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NCP1508MNR2G Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP1508MNR2G Datasheet(HTML) 4 Page - ON Semiconductor |
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4 / 15 page  NCP1508 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (Vin = 3.6 V, Vo = 1.5 V, TA = 25°C, Fsyn = 600 kHz 50% Duty Cycle square wave for PWM mode; TA = –30 to 85°C for Min/Max values, unless otherwise noted. Characteristic Symbol Min Typ Max Unit VCC Pin Quiescent Current of SYNC Mode, Iout = 0 mA Iq PWM − 175 − mA Quiescent Current of PWM Mode, Iout = 0 mA Iq PWM − 185 − mA Quiescent Current of Pulsed Mode, Iout = 0 mA Iq Pulsed − 14 − mA Quiescent Current, SHD Low Iq Off − 0.1 1.0 mA Input Voltage Range Vin 2.5 − 5.2 V SYNC Pin Input Voltage Vsync −0.3 − Vcc + 0.3 V Frequency Operational Range Fsync 500 600 1000 kHz Minimum Synchronization Pulse Width Dcsync Min − 30 − % Maximum Synchronization Pulse Width Dcsync Max − 70 − % SYNC “H” Voltage Threshold Vsynch − 920 1200 mV SYNC “L” Voltage Threshold Vsyncl 400 830 − mV SYNC “H” Input Current, Vsync = 3.6 V Isynch − 2.2 − mA SYNC “L” Input Current, Vsync = 0 V Isyncl −0.5 − − mA Output Level Selection Pins Input Voltage Vcb −0.3 − Vcc + 0.3 V CB0, CB1 “H” Voltage Threshold Vcb h − 920 1200 mV CB0, CB1 “L” Voltage Threshold Vcb l 400 830 − mV CB0 “H” Input Current, CB = 3.6 V Icb0 h − 2.2 − mA CB0 “L” Input Current, CB = 0 V Icb0 l −0.5 − − mA CB1 “H” Input Current, CB = 3.6 V Icb1 h − 0.3 1.0 mA CB1 “L” Input Current, CB = 0 V Icb1 l − −2.2 − mA Shutdown Pin Input Voltage Vshd −0.3 − Vcc + 0.3 V SHD “H” Voltage Threshold Vshd h − 920 1200 mV SHD “L” Voltage Threshold Vshd l 400 830 − mV SHD “H” Input Current, SHD = 3.6 V Ishd h − 2.2 − mA SHD “L” Input Current, SHD = 0 V Ishd l −0.5 − − mA Feedback Pin Input Voltage Vfb −0.3 − Vcc + 0.3 V Input Current, Vfb = 1.5 V Ifb − 5.0 7.5 mA SYNC PWM Mode Characteristics Switching P−FET Current Limit Ilim − 800 − mA Duty Cycle (Note 2) DC − − 100 % Minimum On Time Ton(min) − 75 − nsec RDS(on) Switching P−FET and N−FET RDS(on) − 0.23 − W Switching P−FET and N−FET Leakage Current Ileak − 0 10 mA Output Overvoltage Threshold Vo − 5.0 − % |
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