la6574h Sanyo Semiconductor Corporation, la6574h Datasheet
la6574h
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la6574h Summary of contents
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... Ordering number : ENN7818 LA6574H Overview The LA6574H is a motor driver IC for MD and CD players with four BTL channels and one H bridge channel. The LA6574H features a separate power supply for the H bridge block, an output adjustment pin, and a 3.3 V regulator to support a wide range of applications. ...
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... Voltage difference across the load (8 Ω). With the outputs in the saturated state. ∗3: When the MUTE pin is high, the outputs will be on, and when low, the outputs will be off (high-impedance state). ∗4: Design guarantee value Package Dimensions unit: mm 3234B SANYO : HSOP28HC (375mil) LA6574H VREF = 1. Symbol Conditions All outputs on, FWD = REV = 0 V ∗ ...
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... Note: • The center frame (FR) is used as the power system ground. Along with the signal system ground (S-GND), this level must be the lowest potential in the system. • The three power supply pins V – LA6574H Pin descriptions 1 and and V 2 must be shorted together externally. ...
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... Outputs bridge outputs 5− VCONT 27 FWD FWD H bridge inputs 28 REV REV LA6574H Pin description Vref Equivalent circuit OUT V 5− VCONT FWD No.7818-4/7 ...
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... CH1 CH1.2.3 Power 11 kΩ LA6574H Thermal shutdown 22 kΩ − + − + 3.3 VREG (External PNPTr) 22 kΩ 22 kΩ 22 kΩ − REV 27 FWD 26 S-GND 25 VCONT 11 kΩ ...
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... Sample Application Circuit 1 2 LOADING M MOTOR 3 4 TRACKING COIL 5 6 FOCUS COIL SPINDLE M MOTOR 9 10 SLED M MOTOR LA6574H REV CC V 5− FWD S-GND VCONT 4− ...
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... This catalog provides information as of August, 2004. Specifications and information herein are subject to change without notice. LA6574H V O 5− Mode Open ∗1 OFF ...