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LB1960MC Dataheets PDF



Part Number LB1960MC
Manufacturers Sanyo
Logo Sanyo
Description 2-phase Half-Wave Driver
Datasheet LB1960MC DatasheetLB1960MC Datasheet (PDF)

Ordering number : ENA2078 LB1960MC Monolithic Digital IC For Fan Motor 2-phase Half-Wave Driver Overview The LB1960MC is a 2-phase half-wave driver for fan motor. The LB1960MC is a compact package. Low external parts count, easy wiring, and small PCB area allow use also with miniature fan motors. Functions • Dual power supply voltage design (5/12V) and wide voltage handling range. (3V also supported for rotation functions only) • Constant-voltage Hall bias power supply (1.3V across HB to GND.

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Ordering number : ENA2078 LB1960MC Monolithic Digital IC For Fan Motor 2-phase Half-Wave Driver Overview The LB1960MC is a 2-phase half-wave driver for fan motor. The LB1960MC is a compact package. Low external parts count, easy wiring, and small PCB area allow use also with miniature fan motors. Functions • Dual power supply voltage design (5/12V) and wide voltage handling range. (3V also supported for rotation functions only) • Constant-voltage Hall bias power supply (1.3V across HB to GND) assures stable Hall output over entire temperature and power supply voltage range. External limiting resistor not required. • Built-in Hall amplifier with hysteresis (supports core without commutating pole). • Built-in lockup protection and automatic recovery circuits (External capacitor for rotation detection need only be 0.1μF, allowing compact, cost-saving design). • Built-in output transistor with output withstand voltage 24V (max)/output current 500mA (average), 1A (peak). • Built-in thermal protection circuit. Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage Maximum output current Maximum output voltage Maximum HB output current VCC max IOUT ave IOUT peak VOUT max IH max t ≤ 1ms 18 500 1000 Internal 10 V mA mA V mA Allowable power dissipation Pd max Mounted on a specified board * 750 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -55 to +150 °C * Specified board: 114.3mm × 76.1mm × 1.6mm, glass epoxy board. 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. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. 70412 SY 20120417-S00001 No.A2078-1/4 LB1960MC Allowable Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Common mode input voltage range Symbol VCC VCOM Conditions Electrical Characteristics at Ta = 25°C, VCC = 12V Parameter Symbol Conditions Circuit current ICC In drive mode (CT = L) In lockup protection mode (CT = H) CT capacitor charge current ICT1 VCT = 0.2V Capacitor discharge current ICT2 VCT = 8V Capacitor charge/discharge current RCT ratio RCT = ICT1/ICT2 CT charge voltage VCT1 CT discharge voltage VCT2 Output limiter withstand voltage VOLM IO = 1mA Output saturation voltage VOsat IO = 50mA Hall input sensitivity VHN Including offset and hysteresis HB output H voltage VHBH RH = 350Ω Thermal protection trigger TSD Assured design target * temperature * Assured design target: Target value, not measured individually. Ratings 3.6 to 17 0.2 to HB Unit V V min 0.8 0.16 4.0 Ratings typ 2.3 3 1.2 0.24 5.0 6.8 7.2 1.4 1.6 22.5 23.5 1.0 6 1.1 1.3 180 180 max 4 5 2.0 0.4 7.0 Unit mA mA μA μA 7.6 V 1.8 V 24.5 V 1.3 V 12 mV 1.5 V 210 °C Package Dimensions unit : mm (typ) 3424 4.9 8 Pd max -- Ta 1000 Specified board: 114.3×76.1×1.6mm3 glass epoxy board. 800 Allowable power dissipation, Pd max -- mW 3.9 6.0 0.375 0.835 12 1.27 0.42 0.2 1.75 MAX 600 400 200 390 0.175 SANYO : SOIC8 0 -30 0 30 60.


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