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SP6850BS26RG Datasheet(PDF) 5 Page - SYNC POWER Crop. |
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SP6850BS26RG Datasheet(HTML) 5 Page - SYNC POWER Crop. |
5 / 10 page 2007/04/10 Ver.3 Page 5 SP6850 Green-Mode PWM Controller ELECTRICAL CHARACTERISTICS (TA=25 , V ℃ CC=15V, unless otherwise specified.) Symbol Parameter Conditions Min. Typ. Max. Unit Supply Voltage ( Vcc Pin ) Istt Startup Current 8 20 uA Iop Operating Current VCOMP = 3V 2 4 mA UVLO (off) Min. Operating Voltage 9.0 10.0 11.0 V UVLO (on ) Start Threshold Voltage 15.0 16.0 17.0 V OVP Level Over Voltage Protection 28 36 V Voltage Feedback ( Comp Pin ) Isc Short Circuit Current 2.2 3.0 mA Vop Open Loop Voltage 5.0 V VTH(GM) Green Mode Threshold VCOMP 2.35 V Oscillator ( RT Pin ) FOSC Frequency RT=100KΩ 60.0 65.0 75.0 KHz FOSC(GM) Green Mode Frequency Fs=65.0KHz 20 KHz Fdt Frequency Variation versus Temp. Deviation (-40°C ~105°C) 3 % Fdv Frequency Variation versus VCC Deviation (VCC=11V-25V) 1 % Current Sensing ( CS Pin ) SP6850BD8TG SP6850BS26RG 0.8 0.85 0.9 Vcs(off) Maximum Input Voltage SP6850AD8TG SP6850AS26RG 0.7 0.75 0.8 V Zcs Input impedance 50 KΩ TPD Delay to Output 150 nS Gate Driver Output ( OUT Pin ) DC (Max) Maximum Duty Cycle 70 75 80 % DC (Min) Minimum Duty Cycle 0 % VOL Output Low Level VCC=15V, Io=20mA 1 V VOH Output High Level VCC=15V, Io=20mA 8 V Tr Rising Time Load Cap=1000pF 50 200 nS Tf Falling Time Load Cap=1000pF 30 120 nS |
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