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LB11964FA Dataheets PDF



Part Number LB11964FA
Manufacturers ON Semiconductor
Logo ON Semiconductor
Description Single-Phase Full-Wave Fan Motor Driver
Datasheet LB11964FA DatasheetLB11964FA Datasheet (PDF)

Ordering number : ENA2077 LB11964FA Monolithic Digital IC Single-Phase Full-Wave Fan Motor Driver http://onsemi.com Overview The LB11964FA is a single-phase bipolar drive fan motor driver. Features • Single-phase full-wave drive • Built-in regeneration circuit allows the use of reverse connection prevention diodes • Built-in thermal shutdown circuit Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum output voltage Maximum output curre.

  LB11964FA   LB11964FA


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Ordering number : ENA2077 LB11964FA Monolithic Digital IC Single-Phase Full-Wave Fan Motor Driver http://onsemi.com Overview The LB11964FA is a single-phase bipolar drive fan motor driver. Features • Single-phase full-wave drive • Built-in regeneration circuit allows the use of reverse connection prevention diodes • Built-in thermal shutdown circuit Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum output voltage Maximum output current Maximum output voltage FG pin maximum output voltage VCC max IOUT max VOUT max VR max 15 V 0.5 A 15 V 15 V FG maximum output current IR max 5 mA Allowable power dissipation Pd max When mounted on a circuit board * 400 mW Operating temperature range Topr -30 to +85 °C Storage temperature range Tstg -55 to +150 °C * Specified circuit board : 20.0 × 10.0 × 0.8mm3, paper phenol, wiring density: 20%. Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time. Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details. 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. Semiconductor Components Industries, LLC, 2013 May, 2013 70412 SY 20120417-S00002 No.A2077-1/5 Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage Hall sensor input common-mode input voltage range Symbol VCC VICM LB11964FA Conditions Ratings 3.5 to 13.8 0.2 to VCC – 1.5 Unit V V Electrical Characteristics Unless otherwise specified Ta = 25°C, VCC = 5V Parameter Symbol Conditions Circuit current ICC Drive mode (CT = L) Lock protection mode (CT = H) Lock detection capacitor charge current Capacitor discharge current ICT1 ICT2 VCT = 0.2V VCT = 3.2V Capacitor charge/discharge current ratio CT charge current RCT VC1 RCD = ICT1/ICT2 CT discharge current VC2 Output low-level voltage Output high-level voltage Hall sensor input sensitivity FG output pin low-level voltage VOL VOH VHN VRD IO = 200mA IO = 200mA Zero peak value (including offset and hysteresis) IRD = 5mA FG output pin leakage current IRDL VRD = 7V Thermal shutdown operating temperature TSD Design target value* * The design specification items are design guarantees and are not measured. min 1.1 0.15 5.0 2.6 1.5 3.9 150 Ratings typ 9.0 3.0 1.8 0.25 7.0 2.9 1.8 0.2 4.1 7 0.1 180 max 14 5.0 2.6 0.40 9.0 3.2 2.1 0.3 15 0.3 30 210 Unit mA mA μA μA - V V V V mV V μA °C Package Dimensions unit : mm (typ) 3427 3.0 8 Pd max -- Ta 500 Mounted on specified board:20mm × 10mm × 0.8mm3 paper phenol board. 400 Allowable power dissipation, Pd max –mW 3.0 4.9 0.55 12 0.65 0.33 0.18 1.1 MAX 0.08 SANYO : Micro8 300 200 208 100 0 -30 -10 10 30 50 70 90 110 Ambient temperature, Ta – °C No.A2077-2/5 LB11964FA Truth Table IN+ IN- CT OUT1 OUT2 FG Mode High Low Low Low High Off When the motor is turning (*1) Low High Low High Low Low - - High Off Off Off During lock protection operation (*2) - - - Off Off - During thermal protection circuit operation *1: An FG signal at a frequency corresponding to the phase switching operation is output. This IC is pin compatible with the LB11963T, which provides a built-in function for dividing the FG output frequency by 2 to handle 8-pole motors. *2: In restart mode (output on) when a rotor constrained state was detected, the FG output operates in the same way as during normal operation, and differs depending on the rotor position. Pin Assignment IN+ 1 IN- 2 OUT1 3 GND 4 LB11964FA 8 VCC 7 CT 6 FG 5 OUT2 Application Circuit Example (Top view) *1 CR *2 VCC *3 FG H *4 ININ+ OUT1 OUT2 CT GND Circuit board mounted components *1: The diode Di prevents destruction of the IC if the power supply is connected with reverse polarity. Since this IC includes a regeneration circuit, this IC recovers the coil current in the low side pnp output transistors and suppresses kickback, even when the diode Di is used. This diode may be omitted if there is no chance of reverse connection problems occurring, for example, if a power supply connector is used. *2: This capacitor is required for rectification if power supply PWM is used for speed control. *3: This pin must be left open if unused. *4: Although chattering prevention measures, such as adopting a non-interfering pin assignment and providing hysteresis in the Hall sensor amplifier, these lines must be made as short as possible to make the circuit more resistant to noise. No.A2077-3/5 Block Diagram 0.22 to 1μF Charge/Discharge circuit LB11964F.


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