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CS3842AGN8 Datasheet(PDF) 3 Page - Cherry Semiconductor Corporation |
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CS3842AGN8 Datasheet(HTML) 3 Page - Cherry Semiconductor Corporation |
3 / 6 page 3 Electrical Characteristics: continued CS2842A/CS2843A CS3842A/CS3843A PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS CS2842A CS3842A CS2843A/CS3843A PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS Notes: 1. Adjust VCC above the start threshold before setting at 15V. 3. Parameter measured at trip point of latch with VFB=0. 2.These parameters, although guaranteed, are not 100% tested in production. 4. Gain defined as: A = ; 0 ≤ VSense ≤ 0.8V. ∆VCOMP ∆VSense s Under-Voltage Lockout Section Start Threshold 15 16 17 14.5 16.0 17.5 7.8 8.4 9.0 V Min. Operating After Turn On 9 10 11 8.5 10.0 11.5 7.0 7.6 8.2 V Voltage s Output Section: continued Rise Time TJ = 25˚C, CL = 1nF (Note 2) 50 150 50 150 ns Fall Time TJ = 25˚C, CL = 1nF (Note 2) 50 150 50 150 ns Output Leakage UVLO Active, VOUT = 0 -0.01 -10.00 -0.01 -10.00 µA s Total Standby Current Start-Up Current 0.5 1.0 0.5 1.0 mA Operating Supply Current VFB = VSense = 0V, RT = 10kΩ, CT = 3.3nF 11 17 11 17 mA VCC Zener Voltage ICC = 25mA 34 34 V Package Pin Description PACKAGE PIN # PIN SYMBOL FUNCTION 8L PDIP/SO 14L SO Narrow 1 1 COMP Error amp output, used to compensate error amplifier 23 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 610 VOUT Output drive pin 11 VCCPwr Output driver positive supply 712 VCC Positive power supply 814 VREF Output of 5V internal reference 2,4,6,13 NC No Connection |
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