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NCP1030DMR2 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1030DMR2 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 18 page NCP1030, NCP1031 http://onsemi.com 6 DC ELECTRICAL CHARACTERISTICS (VDRAIN =48 V, VCC =12 V, CT = 560 pF, VUV =3 V, VOV =2 V, VFB =2.3 V, VCOMP =2.5 V, TJ =--40C to 125C, typical values shown are for TJ =25C unless otherwise noted.) (Note 2) Characteristics Symbol Min Typ Max Unit OSCILLATOR Frequency (CT = 560 pF, Note 3) TJ =25C TJ =--40C to 125C fOSC1 275 260 300 -- 325 325 kHz Frequency (CT = 100 pF) fOSC2 -- 800 -- kHz Charge Current (VCT =3.25 V) ICT(C) -- 215 -- mA Discharge Current (VCT =3.25 V) ICT(D) -- 645 -- mA Oscillator Ramp Peak Valley Vrpk Vrvly -- -- 3.5 3.0 -- -- V PWM COMPARATOR Maximum Duty Cycle DCMAX 70 75 80 % POWER SWITCH CIRCUIT Power Switch Circuit On--State Resistance (ID = 100 mA) NCP1030 TJ =25C TJ = 125C NCP1031 TJ =25C TJ = 125C RDS(on) -- -- -- -- 4.1 6.0 2.1 3.5 7.0 12 3.0 6.0 Ω Power Switch Circuit and Startup Circuit Breakdown Voltage (ID = 100 mA, TJ =25C) V(BR)DS 200 -- -- V Power Switch Circuit and Startup Circuit Off--State Leakage Current (VDRAIN = 200 V, VUV =2.0 V) TJ =25C TJ = --40to125C IDS(off) -- -- 13 -- 25 50 mA Switching Characteristics (VDS =48 V, RL = 100 Ω) Rise Time Fall Time tr tf -- -- 22 24 -- -- ns CURRENT LIMIT AND OVER TEMPERATURE PROTECTION Current Limit Threshold (TJ =25C) NCP1030 (di/dt = 0.5 A/ms) NCP1031 (di/dt = 1.0 A/ms) ILIM 350 700 515 1050 680 1360 mA Propagation Delay, Current Limit Threshold to Power Switch Circuit Output (Leading Edge Blanking plus Current Limit Delay) tPLH -- 100 -- ns Thermal Protection (Note 4) Shutdown Threshold (TJ Increasing) Hysteresis TSHDN THYS -- -- 150 45 -- -- C TOTAL DEVICE Supply Current After UV Turn--On Power Switch Enabled Power Switch Disabled Non--Fault condition (VFB =2.7 V) Fault Condition (VFB =2.7 V, VUV =2.0 V) ICC1 ICC2 ICC3 2.0 -- -- 3.0 1.5 0.65 4.0 2.0 1.2 mA 2. Production testing for NCP1030DMR2 is performed at 25C only; limits at --40C and 125C are guaranteed by design. 3. Oscillator frequency can be externally synchronized to the maximum frequency of the device. 4. Guaranteed by design only. |
Similar Part No. - NCP1030DMR2 |
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Similar Description - NCP1030DMR2 |
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