LB11870-TRM-E ON Semiconductor

Ordering number : EN7256A LB11870 Monolithic Digital IC For Polygonal Mirror Motors LB11870 Specifications Absolute Maximum Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Supply voltage V max 30 V CC Output current I max T 500ms *1 2.3 A O Allowable power dissipation 1 Pd max1 Independent IC 0.85 W Allowable power dissipation 2 Pd max2 Mounted on a circuit board *2 1.72 W Operating temperature Topr -20 to +80 C Storage temperature Tstg -55 to +150 C Note *1: Be sure to perform derating from the standard value by 20% or more before use. Note *2: Mounted on a specified board: 114.3mm76.1mm1.6mm, glass epoxy Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 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 current IREG 0 to -20 mA LD pin applied voltage VLD 0 to 28 V LD pin output current ILD 0 to 15 mA FGS pin applied voltage VFG 0 to 28 V FGS pin output current IFG 0 to 10 mA Electrical Characteristics at Ta = 25C, V = VM = 24V CC Ratings Parameter Symbol Conditions unit min typ max Supply current 1 I 1 16 21mA CC Supply current 2 I 2 3.5 5.0mA In stop mode CC 5V constant voltage output circuit Output voltage VREG 4.65 5.0 5.35 V Voltage regulation VREG1 V =9.5 to 28V 80 130mV CC Load regulation VREG2 I =-5 to -20mA 10 60mV O Temperature coefficient VREG3 Design target value* 0 mV/C Output Block Output saturation voltage 1 V sat1 1.9 2.4V I =0.5A, V (SINK)+V (SOURCE) O O O O Output saturation voltage 2 V sat2 I =1.2A, V (SINK)+V (SOURCE) 2.6 3.2V O O O O Output leakage current I leak 100 A O Lower diode forward voltage 1 VD1-1 ID=-0.5A 1.0 1.3V Lower diode forward voltage 2 VD1-2 ID=-1.2A 1.4 1.8V Upper diode forward voltage 1 VD2-1 ID=0.5A 1.2 1.6V VD2-2 1.9 2.4V Upper diode forward voltage 2 ID=1.2A Hall Amplifier Block Input bias current IHB -2 -0.5 A Common-mode input voltage range VICM 0 VREG-2.0 V Hall input sensitivity 80 mVp-p Hysteresis width V (HA) 15 24 42mV IN Input voltage: Low to high VSLH 12 mV VSHL -12 mV Input voltage: High to low FG Schmitt Block Input bias current IB(FGS) -2 -0.5 A Common-mode input voltage range VICM(FGS) 0 VREG-2.0 V Input sensitivity V (FGS) 80 mVp-p IN Hysteresis width V (FGS) 15 24 42mV IN VSLH(FGS) 12 mV Input voltage: Low to high VSHL(FGS) -12 mV Input voltage: High to low *: These value are design guarantee values, and are not tested. Continued on next page. No.7256-2/14