la6576 Sanyo Semiconductor Corporation, la6576 Datasheet
la6576
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la6576 Summary of contents
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... LA6576 5-channel Driver for Compact Disk Applications Overview The LA6576 is a 5-channel driver for optical disc drives with a VREF switching function. Features • Power amplifier 5-channel built-in. (Bridge-connection (BTL): 4-channel, H bridge: 1-channel) • max 1A. • Level shift circuit built-in (except H bridge). ...
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... Voltage of upper (SOURCE) + lower (SINK) sides. At forward/reverse, the output voltage is determined by subtracting this voltage from *8. Short (GND) brake used. SINK side output ON. *9. 5VREG incorporates a drooping protection circuit and operated when the base current is 10mA (TYP). LA6576 Conditions BTL-AMP output ON, LOADING block OFF *1 All outputs OFF *1 ...
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... Package Dimensions unit : mm 3251 17.8 (6. (0.5) 2.0 0.3 0.8 2.7 SANYO : HSOP36R(375mil) Pd max - Ta 3.0 Designated board : 76.1mm×114.3mm×1.6mm Material : glass epoxy 2.5 Mounted on a board 2.0 1.5 1.0 Independent IC 0.8 0.5 0 --40 --30 -- Ambient Temperature, Ta- °C LA6576 0.25 1.04 0. 100 ILA00922 No.7742-3/8 ...
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... 11kΩ 1-A 16 AMP 1+A 17 AMP 1 LA6576 Thermal shutdown CH2 to CH4 CH1 Output 22kΩ 5VREG (External PNP) 22kΩ 22kΩ 22kΩ [L] [ 1(VREF)-SW [L] : Internal VREF (2.5V fixed) [H] : External VREF Signal system GND ...
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... Output bridge P-GND MUTE MUTE1 34 MUTE2 35 LA6576 Equivalent circuit MUTE S-GND Pin explanation Input pin (CH1 Logic input pin. By combining H and L of this pin, any one of four modes (forward/reversed/brake/idling) can be selected ...
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... TRACKING COIL 7 8 FOCUS COIL SPINDLE MOTOR SLED MOTOR LA6576 FWD S-GND REV MUTE2 MUTE1 VREF- 1(VREF)- VREF-OUT(CH1 ...
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... AMP selection and internal/external VREF selection function) (Relation between input AMP (CH1 only) and VREF 1-SW Input AMP (CH1) state 1-A (AMP- 1-B (AMP-B) Internal reference voltage (2.5V(TYP 1-A LA6576 Loading output OFF OFF *1 L Forward H Reversed L (Short) brake *2 ...
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... SANYO Semiconductor 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 December, 2005. Specifications and information herein are subject to change without notice. LA6576 PS No.7742-8/8 ...