LV11961HA-AH ON Semiconductor

LV11961HA FAN Motor Driver, Single-phase Overview LV11961HA is a driver IC for single-phase fan motor that easily implements direct PWM motor drive system with excellent efficiency. LV11961HA is www.onsemi.com optimal for fan motor drive in personal computer power supply systems and CPU cooling systems. Features Single-phase full wave drive (built-in power FETs) Speed control function by DC voltage input to VTH pin Minimum speed adjustment by fixed voltage input to RMI pin Soft start-up function by SFS pin Regulated voltage output pin for Hall bias Built-in lock protector and auto recovery circuit HSSOP14 (225mil) FG signal output pin, RD signal output pin Built-in TSD (Thermal shutdown) circuit GENERIC Typical Applications MARKING DIAGRAM* Fan motor units Note PCs Desk top PCs XXXXXXXXXX Projectors YMDDD XXXXX = Specific Device Code Y = Year M = Month DDD = Additional Traceability Data ORDERING INFORMATION Ordering Code: LV11961HA-AH Package HSSOP14 (225mil) (Pb-Free / Halogen Free) Shipping (Qty / packing) 2000 / Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. LV11961HA Specifications Absolute Maximum Ratings at Ta = 25C (Note 1) Parameter Symbol Conditions Ratings Unit Power supply voltage VCCmax 18 V Output pin current IOUTmax 1.0 A Output pin peak current IOpeak max Duty 10% 1.2 A Output pin with stand voltage VOUTmax 18 V REG output maximum current IREGmax 10 mA HB output maximum current IHBmax 10 mA VTH pin voltage VTHmax 4 V FG/RG output pin voltage VFG/VRDmax 18 V FG/RG pin sink current IFG/IRDmax 10 mA Allowable power dissipation Pdmax Mounted on specified board (Note 2) 1.1 W Operating temperature Topr (Note 3) 40 to +95 C Storage temperature Tstg 55 to +150 C 1. Stresses exceeding those listed in the Absolute Maximum Rating table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 2. Specified board: 114.3mm x 76.1mm x 1.6mm, glass epoxy board 3. Do not exceed Tjmax=150C Recommendation Operating Condition at Ta = 25 C (Note 4) Ratings Parameter Symbol Conditions Unit min typ max Operating supply voltage range VCCop 3.6 12 16 V VTH pin input voltage range VTHop 0 VREG V RMI pin input voltage range VRMlop 0 VREG V IN1/IN2 pin input voltage range VICM 0.2 VREG1.2 V CPWM pin oscillation frequency fCPWM 20 100 kHz range 4. Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. Electrical Characteristics at Ta 25 C, V = 12V (Note 5) CC Ratings Parameter Symbol Conditions Unit min typ max Circuit current ICC 2.0 3.0 mA REG pin voltage VREG IREG=5mA 2.80 3.15 3.50 V HB pin voltage VHB IHB=5mA 1.08 1.2 1.32 V CPWM pin high threshold level VCPH 2.05 2.15 2.25 V CPWM pin low threshold level VCPL 0.57 0.62 0.67 V CPWM amplitude DVCP 1.41 1.53 1.65 V CPWM pin charge current ICPWM VCPWM=1.4V 19 24 32 A CPWM pin discharge current ICPWM VCPWM=1.4V 32 24 19 A SFS pin charge current ISFS 0.75 1.25 1.85 A SFS pin clamp voltage VSFSCL 0.2 0.4 0.6 V Sensitivity to hall input VHIN Design target (Note 6) 10 20 mV OUT pin low level voltage VOL IOUT=200mA 0.11 0.17 V OUT pin high level voltage VOH IOUT=200mA 0.18 0.27 V FG/RD pin low level voltage VFGL/VRDL IOUT=3mA 0.1 0.2 V FG/RD pin leak current IFGL/IRDL VFG/VRD=18V 10 A Continued on next page www.onsemi.com 2