la6559 Sanyo Semiconductor Corporation, la6559 Datasheet
la6559
Related parts for la6559
la6559 Summary of contents
Page 1
... LA6559 For CD 5-Channel Driver (BTL : Four-Channel, H Bridge : One-Channel) Overview The LA6559 is a 5-channel driver (BTL : 4-channel, H bridge : 1-channel) for CD players. Functions • 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). ...
Page 2
... The source of input OP-AMP is a constant current. As the 11kΩ resistance to the next stage is a load, pay due attention when setting the input OP-AMP gain Short (GND) brake used. SINK side output ON 3.3VREG incorporates a drooping protection circuit and operated when the base current is 10mA (TYP). LA6559 Conditions BTL-AMP output ON, LOADING block OFF *1 ...
Page 3
... Package Dimensions unit : mm (typ) 3251 17.8 (6. (0.5) 2.0 0.3 0.8 2.7 SANYO : HSOP36R(375mil) LA6559 19 18 0.25 Pd max – Designated board : 76.1×114.3×1.6mm glass epoxy 2.5 Mounted on a board 2 1.5 1 0.5 0 – 40 – 30 – Ambient temperature, Ta – ° 100 No.A0597-3/9 ...
Page 4
... Power supply (CH1 to CH4 11kΩ LA6559 Thermal shutdown Signal system GND Input (Forward/Reversed/ CH2 to CH4 Break/OFF) Output Output ON/OFF 33kΩ 11kΩ Power system GND PNP Tr Collector 3.3VREG ...
Page 5
... Output change pin (FWD) for loading output (VLO+ -), logic input for loading block. Note 1 : Center frame (FR) becomes GND for the power system (P-GND). Set this to the minimum potential together with S-GND. Note 2 : Short-circuit each -VREG, and S-V CC power pins externally. LA6559 Pin descriptions No.A0597-5/9 ...
Page 6
... MUTE1 MUTE 34 MUTE2 5 VLO- Output 4 VLO+ (LOADING) 28 VCONT LA6559 Description Input pin (CH1 S-GND Logic input pin. By combining H and L of this pin, any one of four modes (forward/ reversed/brake/idling) can be selected. Output for channel BTL AMP output. ...
Page 7
... At brake, the SINK side transistor is ON (short brake). VLO+ and VLO- are approximately on the GND level. Relation of MUTE and Power ( MUTE1 CH1(BTL) CH2(BTL) MUTE2 CH3(BTL) CH4(BTL) CH5 (H bridge) LA6559 Loading output OFF *1 Forward Reversed (Short) brake * No.A0597-7/9 ...
Page 8
... LOADING MOTOR M TRACKING COIL FOCUS COIL SPINDLE MOTOR M SLED MOTOR Note : Add CR between outputs circuit to GND when oscillation occurs in the output (Example : R = 2.2Ω 0.1μF). Apply 4.5V or more to the external PNPTr emitter pin. LA6559 1 REV FWD S S-GND MUTE2 VLO- ...
Page 9
... 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 January, 2007. Specifications and information herein are subject to change without notice. LA6559 PS No.A0597-9/9 ...