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CS52843 Fiches technique(PDF) 4 Page - ON Semiconductor |
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CS52843 Fiches technique(HTML) 4 Page - ON Semiconductor |
4 / 9 page CS52843 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (continued) (−40°C ≤ TA ≤ 85°C; VCC = 15 V (Note 2.); RT = 680 Ω; CT = 0.022 μF for triangle mode, RT = 10 kΩ; CT = 3.3 nF sawtooth mode; unless otherwise specified.) Parameter Unit Max Typ Min Test Conditions Output Section Output Low Level ISINK = 20 mA ISINK = 200 mA − − 0.1 1.5 0.4 2.2 V V Output High Level ISOURCE = 20 mA ISOURCE = 200 mA 13 12 13.5 13.5 − − V V Rise Time TJ = 25°C, CL = 1.0 nF, Note 5. − 50 150 ns Fall Time TJ = 25°C, CL = 1.0 nF, Note 5. − 50 150 ns Output Leakage UVLO Active VOUT = 0 − −0.01 −10 μA Total Standby Current Start−Up Current − − 300 500 μA Operating Supply Current VFB = VSENSE = 0 V, RT = 10 kΩ; CT = 3.3 nF − 11 17 mA VCC Zener Voltage ICC = 25 mA − 34 − V Undervoltage Lockout Section Start Threshold − 7.8 8.4 9.0 V Min. Operating Voltage After Turn On 7.0 7.6 8.2 V 5. These parameters, although guaranteed, are not 100% tested in production. PACKAGE PIN DESCRIPTION Package Lead Number Lead Symbol Function SO−8SO−14 1 1 COMP Error amp output, used to compensate error amplifier. 2 3 VFB Error amp inverting input. 3 5 SENSE Noninverting input to Current Sense Comparator. 4 7 OSC Oscillator timing network with capacitor to ground, resistor to VREF. 5 8 GND Ground. − 9 Pwr GND Output driver ground. 6 10 VOUT Output drive pin. − 11 VCCPwr Output driver positive supply. 7 12 VCC Positive power suppy. 8 14 VREF Output of 5.0 V internal reference. − 2, 4, 6, 13 NC No Connection. |
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Description similaire - CS52843 |
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