LB1693 Sanyo Semiconductor Corporation, LB1693 Datasheet
LB1693
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LB1693 Summary of contents
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... Ordering number:EN3295 Overview The LB1693 is a driver IC for 3-phase brushless motors ideally suited for office automation equipment and DC fan motors. Features • 3-Phase brushless motor driver. • 45V withstand voltage and 2.5A output current. • PWM switch regulator control section. • Current limitter. ...
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... Electrical Characteristics 25˚ LB1693 =V =24V µ – mV/˚ µ – – – %/˚ µ µ ˚ ˚ No.3295-2/9 ...
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... Pin Assignment Pin Description – – – LB1693 – > – ” > – > No.3295-3/9 ...
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... Truth Table Block Diagram and Peripheral Circuit Diagram PWM control (1) LB1693 No.3295-4/9 ...
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... PWM control (2) LB1693 No.3295-5/9 ...
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... V =V =5V PMW control CC H LB1693 No.3295-6/9 ...
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... Figure 1 shows the oscillation circuit that generates the triangular waves. The oscillation frequency for this circuit is detemined by the following equation (with (Hz ~0.56CR (charging ~1.34CR (discharging the internal resistance of 1. actual applications, R >> variation in the IC’s internal resistance. LB1693 =7V typ.) H approx.) is used to suppress the influence Figure 1 Oscillation Circuit No.3295-7/9 ...
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... Thermal shutdown circuit If the junction temperature rises above the regulated temperature, just as in 5-1, PMW output is inhibited and the sink output driver is switched off. LB1693 , the OSC output is off.) CR(H) Figure 2 Comparator Circuit =V =5V and operate the internal logic at 5V ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of August, 1998. Specifications and information herein are subject to change without notice. LB1693 voltage for the V power supply votlage H M ...