LV5762QA-NH ON Semiconductor

Ordering number : ENA2331 LV5762QA Bi-CMOS IC LV5762QA Electrical Characteristics at Ta = 25 C, V = 24V IN Ratings Parameter Symbol Conditions Unit min typ max Reference voltage block Including offset of E/A 0.695 0.705 0.715 V Internal reference voltage Vref I =0 to 5mA 4.7 5.2 5.7 V 5V power supply V OUT DD Triangular waveform oscillator block Oscillation frequency f 8701000 1130kHz OSC V =8 to 42V 1 % Frequency variation f DV IN OSC Detect IN voltage after the end of SS 0.5 V Oscillatory frequency fold back V FB OSC detection voltage Oscillatory frequency after fold back f FB 100150 200kHz OSC ON/OFF circuit block V =8 to 42V 3.4 4.3 V IC start-up voltage V on IN EN V =8 to 42V 1.1 1.3 V IC off voltage V off IN EN Soft start circuit block EN > 5V, SS=0V 3.4 4.3 5.2 A Soft start source current I SC SS EN < 1V, V =5V, SS=1V 2 mA Soft start sink current I SK DD SS 0.70.9 1.1V Voltage to end the soft start function V END SS UVLO circuit block 7.07.4 7.8V UVLO lock release voltage V UVLO 0.6 V UVLO hysteresis V H UVLO Error amplifier Input bias current I IN 100nA EA 10001400 1800 A/V Error amplifier transconductance GEA V =8 to 42V 0.0 1.6 V Common mode input voltage range V R IN EA FB=1.0V 100 A Sink output current I OSK EA Source output current I OSC FB=0V 100 A EA 1.3 Current detection amplifier gain GISNS Over current limiter circuit block 10%20 +10% A Reference current I LIM Over current detection comparator V OFS 5 +5mV LIM offset voltage V0.45 V V Over current detection comparator IN IN common mode input range PWM comparator Input threshold voltage Duty cycle=DMAX 0.95 1.1 1.25 V Vtmax Duty cycle=0% 0.35 0.45 0.55 V Vt0 Maximum ON duty 75 80 % DMAX Output block 5 Output stage ON resistance R H ON (the upper side) 5 Output stage ON resistance R L ON (the under side) 240 mA Output stage ON current I H ON (the upper side) 240 mA Output stage ON current I L ON (the under side) The whole device EN < 1V 60 A Standby current I S CC EN > 5V 3.6 mA Mean consumption current I A CC Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. No.A2331-2/6