LB11873-TRM-E ON Semiconductor

Ordering number : ENA0081B LB11873 Monolithic Digital IC For Polygonal Mirror Motors LB11873 Allowable Operating Ranges at Ta = 25C Parameter Symbol Conditions Ratings Unit Supply voltage range V 9.5 to 28 V CC 5V constant voltage output IREG 0 to -30 mA LD pin apply voltage VLD 0 to 28 V LD pin output current ILD 0 to 15 mA FGS pin apply voltage VFGS 0 to 28 V FGS pin output current IFGS 0 to 10 mA HB pin apply voltage VHBS 0 to 28 V HB pin output current IHBS 0 to 30 mA Electrical Characteristics at Ta = 25C, V = V = 24V CC M Ratings Parameter Symbol Conditions Unit min typ max Supply current 1 I1 22 28 mA CC Supply current 2 I2 Stop mode 4.0 6.0 mA CC 5V constant voltage output (VREG pin) Output voltage VREG 4.65 5.0 5.35 V Line regulation VREG1 V = 9.5 to 28V 80 130 mV CC Load regulation VREG2 I = -5 to -20mA 10 60 mV O Temperature coefficient VREG3 Design target* 0 mV/C Output Block Output saturation voltage 1 Vsat1 I = 0.5A, V (sink) + V(source) 1.4 1.9V O O O O Output saturation voltage 2 Vsat2 I = 1.2A, V (sink) + V(source) 2.0 2.6V O O O O Output leakage current Ileak 100 A O High side diode forward voltage VD2-1 ID = 0.5A 1.0 1.5 V 1 High side diode forward voltage VD2-2 ID = 1.2A 1.5 2.0 V 2 Hall Sensor Amplifier Block Input bias current IHB 2 10 A Differential input range VIHIN Sine wave input 50 350 Common-mode input voltage VICM 1.5 VREG V range 1.0 Input offset voltage VIOH Design target value* -20 20mV Hall Sensor Bias Output saturation voltage V (HB) IHB = 10mA 1.5 2.0 V OL Output leakage current I(HB) V = V , stop mode 10 A L O CC FG Schmitt Trigger Block (IN1) Input amplifier gain GFG Design target value* 5 Times Input hysteresis (high low) VSHL Design target value* mV 0 Input hysteresis (low high) VSLH Design target value* -10 mV Hysteresis VFGL Input conversion, design target value * 47 12mV PWM Oscillator High-level output voltage V (PWM) 3.25 V 2.65 2.95 OH Low-level output voltage V (PWM) 0.9 1.2 1.5 V OL External capacitor charge ICHG VPWM = 2V -60 -45 -30 A current Oscillator frequency f (PWM) C = 680pF 34 kHz Amplitude V (PWM) 1.451.75 2.05Vp-p * The design specification items are design guarantees and are not measured. Continued on next page. No.A0081-2/14