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NCP1052P136 Datasheet(PDF) 8 Page - ON Semiconductor |
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NCP1052P136 Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 26 page NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055 http://onsemi.com 8 ELECTRICAL CHARACTERISTICS (VCC = 8.0 V, for typical values TJ = 25°C, for min/max values, TJ is the operating junction temperature range that applies (Note 2), unless otherwise noted.) Characteristics Symbol Min Typ Max Unit POWER SWITCH CIRCUIT Power Switch Circuit On−State Resistance NCP1050, NCP1051, NCP1052 (ID = 50 mA) TJ = 25°C TJ = 125°C NCP1053, NCP1054, NCP1055 (ID = 100 mA) TJ = 25°C TJ = 125°C RDS(on) − − − − 22 42 10 23 30 55 15 28 W Power Switch Circuit & Startup Breakdown Voltage (ID(off) = 100 mA, TA = 25°C) V(BR)DS 700 − − V Power Switch Circuit & Startup Circuit Off−State Leakage Current (VDS = 650 V) TJ = 25°C (VDS = 650 V) TJ = 125°C IDS(off) − − 25 15 40 80 mA Switching Characteristics (RL = 50 W, VDS set for ID = 0.7 IIim) Turn−on Time (90% to 10%) Turn−off Time (10% to 90%) ton toff − − 20 10 − − ns CURRENT LIMIT AND THERMAL PROTECTION Current Limit Threshold (TJ = 25°C) (Note 5) NCP1050 NCP1051 NCP1052 NCP1053 NCP1054 NCP1055 Ilim 93 186 279 372 493 632 100 200 300 400 530 680 107 214 321 428 567 728 mA Conversion Power Deviation (TJ = 25°C) (Note 6) I2fOSC − 0 10 %A2Hz Propagation Delay, Current Limit Threshold to Power Switch Circuit Output NCP1050, NCP1051, NCP1052 NCP1053, NCP1054, NCP1055 tPLH − − 135 160 − − ns Thermal Protection (VCC = 8.6 V) (Note 2, 3, 4) Shutdown (Junction Temperature Increasing) Hysteresis (Junction Temperature Decreasing) Tsd TH 140 − 160 75 − − °C STARTUP CONTROL Startup/VCC Regulation Startup Threshold/VCC Regulation Peak (VCC Increasing) Minimum Operating/VCC Valley Voltage After Turn−On Hysteresis VCC(on) VCC(off) VH 8.0 7.0 − 8.5 7.5 1.0 9.0 8.0 − V Undervoltage Lockout Threshold Voltage, VCC Decreasing VCC(reset) 4.0 4.5 5.0 V Startup Circuit Output Current (Power Switch Circuit Output = 40 V) VCC = 0 V TJ = 25°C TJ = −40 to 125°C VCC = VCC(on) − 0.2 V TJ = 25°C TJ = −40 to 125°C Istart 5.4 4.5 4.6 3.5 6.3 − 5.6 − 7.2 8.0 6.6 7.0 mA Minimum Start−up Drain Voltage (Istart = 0.5 mA, VCC = VCC(on) − 0.2 V) Vstart(min) − 13.4 20 V Output Fault Condition Auto Restart (VCC Capacitor = 10 mF, Power Switch Circuit Output = 40 V) Average Switching Duty Cycle Frequency Drst frst − − 6.0 3.5 − − % Hz 2. Tested junction temperature range for the NCP105X series: Tlow = −40°CThigh = +125°C 3. Maximum package power dissipation limits must be observed. 4. Guaranteed by design only. 5. Adjust di/dt to reach Ilim in 4.0 msec. 6. Consult factory for additional options including test and trim for output power accuracy. |
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