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NCP1402 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP1402 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 18 page NCP1402 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (For all values TA = 25°C, unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OSCILLATOR Switch On Time (current limit not asserted) ton 3.6 5.5 7.6 ms Switch Minimum Off Time toff 1.0 1.45 1.9 ms Maximum Duty Cycle DMAX 70 78 85 % Minimum Startup Voltage (IO = 0 mA) Vstart − 0.8 0.95 V Minimum Startup Voltage Temperature Coefficient (TA = −40°C to 85°C) DVstart − −1.6 − mV/ °C Minimum Operation Hold Voltage (IO = 0 mA) Vhold 0.3 − − V Soft−Start Time (VOUT u 0.8 V) tSS 0.3 2.0 − ms LX (PIN 5) Internal Switching N−Channel FET Drain Voltage VLX − − 6.0 V LX Pin On−State Sink Current (VLX = 0.4 V) Device Suffix: 19T1 27T1 30T1 33T1 40T1 50T1 ILX 110 130 130 130 130 130 145 180 190 200 210 215 − − − − − − mA Voltage Limit VLXLIM 0.45 0.65 0.9 V Off−State Leakage Current (VLX = 6.0 V, TA = −40°C to 85°C) ILKG − 0.5 1.0 mA CE (PIN 1) CE Input Voltage (VOUT = VSET x 0.96) High State, Device Enabled Low State, Device Disabled VCE(high) VCE(low) 0.9 − − − − 0.3 V CE Input Current (Note 6) High State, Device Enabled (VOUT = VCE = 6.0 V) Low State, Device Disabled (VOUT = 6.0 V, VCE = 0 V) ICE(high) ICE(low) −0.5 −0.5 0 0.15 0.5 0.5 mA TOTAL DEVICE Output Voltage Device Suffix: 19T1 27T1 30T1 33T1 40T1 50T1 VOUT 1.853 2.632 2.925 3.218 3.900 4.875 1.9 2.7 3.0 3.3 4.0 5.0 1.948 2.768 3.075 3.383 4.100 5.125 V Output Voltage Temperature Coefficient (TA = −40°C to +85°C) Device Suffix: 19T1 27T1 30T1 33T1 40T1 50T1 DVOUT − − − − − − 150 150 150 150 150 150 − − − − − − ppm/ °C Operating Current 2 (VOUT = VCE = VSET +0.5 V, Note 5) IDD2 − 13 15 mA Off−State Current (VOUT = 5.0 V, VCE = 0 V, TA = −40°C to +85°C, Note 6) IOFF − 0.6 1.0 mA Operating Current 1 (VOUT = VCE = VSET x 0.96) Device Suffix: 19T1 27T1 30T1 33T1 40T1 50T1 IDD1 − − − − − − 30 39 42 45 55 70 50 60 60 60 100 100 mA 5. VSET means setting of output voltage. 6. CE pin is integrated with an internal 10 M W pullup resistor. |
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Similar Description - NCP1402_06 |
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