View LA6574H_445040.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

Ordering number : ENN7818
SANYO Semiconductors
DATA SHEET
LA6574H
Overview
Five-Channel Driver (four BTL channels plus one H bridge channel) for MD and CD Player
Monolithic Linear IC
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.
Functions and Features
* * * * * * * Four power amplifier channels plus one H bridge channel IO max: 700 mA (each channel) Built-in level shifting circuits for the BLT amplifiers Thermal protection circuit (Thermal shutdown circuit) Separate loading block power supply Built-in 3.3 V regulator Provides a dedicated pin for adjusting the loading block output.
Specifications
Maximum Ratings at Ta
Parameter Supply voltage Allowable power dissipation Maximum output current Maximum input voltage MUTE pin voltage Operating temperature Storage temperature Note : Mounted on a board (76.1 114.3
25 C
Symbol VCC max Pdmax IO max VINB VMUTE Topr Tstg 1.6 mm) Material: glass epoxy Independent IC Mounted on a board. Each channel for CH1 to CH5 Conditions Ratings 14 0.82 2.0 0.7 13 13 30 to 85 55 to 150 Unit V W W A V V C C
Recommended Operating Conditions at Ta
Parameter Supply voltage Symbol VCC
25 C
Conditions Ratings 5.6 to 13 Unit V
Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co., Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
81004TN (OT) No.7818-1/7
LA6574H
Electrical Characteristics at Ta = 25C, VCC1 = VCC2 = 8 V, VREF = 1.65 V
Parameter [Overall Characteristics] No load current drain - ICC on VREF input voltage range [BTL Amplifier Block] Output offset voltage Input voltage range Output voltage Closed loop voltage gain Slew rate [H Bridge Block] Output voltage Low-level input voltage High-level input voltage Output control voltage [Regulator Block] Output voltage Load regulation Line regulation Vreg VRL VVCC IL IL 100 mA 0 to 200 mA 6 to 12 V, IL 100 mA 3.05 50 15 3.3 0 21 3.55 10 60 V mV mV VO-LOAD VIN-L VIN-H VCONT VCONT 3V 2 2 3.5 The voltage between each of the VO /VO pairs when RL is 8 .2 6 1 V V V V VOFF VIN VO VG SR BTL amplifiers, the voltage difference across each channel's output Input resistance: 11 k The voltage between each of the VO+/VO- pairs when RL is 8 .2 50 0 4 5 4 0.5 50 VCC mV V V Multiplier V/ s ICC-ON VREF-IN All outputs on, FWD REV 0V 1 1 30 50 VCC 1.5 mA V Symbol Conditions Ratings min typ max Unit
Gain from input to output With the amplifier operating independently, twice the value measured between outputs 4
VCC
Note 1: The total current drain for VCC1 and VCC2 with no load. 2: Voltage difference across the load (8 ). 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
Pd max -- Ta
Specified PCB: 76.1 x 114.3 x 1.6 mm PCB material: glass epoxy Mounted on the specified PCB
1.5
Allowable power dissipation, Pd max -- W
2.5
2.0
1.0 0.82
1.04
Independent IC
0.5
0.43
0 --20
0
20
40
60
80
100 ILA06713
Ambient temperature, Ta -- C
SANYO : HSOP28HC (375mil)
No.7818-2/7
LA6574H
Pin Functions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Note: Symbol VCC2 VO5 VO5 VO4 VO4 VO3 VO3 VO2 VO2 VO1 VO1 VCC1 VIN1 VIN1G VIN2 VIN2G VIN3 VIN3G REG-IN REG-OUT VREF-IN VCC-S VIN4G VIN4 VCONT S-GND FWD REV Loading output ( ) Loading output ( ) Channel 4 output ( ) Channel 4 output ( ) Channel 3 output ( ) Channel 3 output ( ) Channel 2 output ( ) Channel 2 output ( ) Channel 1 output ( ) Channel 1 output ( ) Channels 1 and 2 (BTL) power supply (This pin must be shorted to VCC-S and VCC2.) Channel 1 input Channel 1 input (gain adjustment input) Channel 2 input Channel 2 input (gain adjustment input) Channel 3 input Channel 3 input (gain adjustment input) Regulator input (external pnp transistor base) Regulator output (external pnp transistor collector) Reference voltage input Signal system power supply (This pin must be shorted to VCC1 and VCC2.) Channel 4 input (gain adjustment input) Channel 4 input Channel 5 (VLO) output voltage control Signal system ground Channel 5 (VLO) output switching (FWD); loading block logic input Channel 5 (VLO) output switching (REV); loading block logic input Pin descriptions Channels 3, 4, and 5 power supply (This pin must be shorted to VCC1 and VCC-S.)
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 VCC-S, VCC1, and VCC2 must be shorted together externally.
No.7818-3/7
LA6574H
Pin Functions
Pin No. 13 14 15 16 17 18 23 24 Symbol VIN Pin name Inputs Inputs Pin description Equivalent circuit
VIN VING VCC-S
Vref
4 5 6 7 8 9 10 11
VO
Outputs
Outputs
VCC1
OUT
2 3 25
VO5 VO5 VCONT
VO5
H bridge outputs
VO5+
27 28 FWD REV FWD REV H bridge inputs
V O5
VCONT
VCC2
FWD
No.7818-4/7
LA6574H
Block Diagram
Thermal shutdown Input
VCC2
1
CH5 Power Output control
28
REV
VO5-
2 CH5
27
FWD
VO5+
3
26
S-GND
CH4 VO45
Level shift
VO4+
4
25 22 k 11 k 24 +
VCONT
VIN4
CH3 VO37
Level shift
VO3+
6
23
VIN4G
Signal system power
22
VCC-S
FR
FR
+
FR
FR
CH2 VO29
Level shift
VO2+
8
+ 3.3 VREG (External PNPTr) +
21
VREF-IN
20
REG-OUT
Level shift
VO1+
10 CH1
19 22 k 18 + 11 k 17 22 k
REG-IN
VO1-
11
VIN3G
VCC1
12
CH1.2.3.4 Power 11 k
22 k
VIN3
VIN1
13
+ + 11 k
16
VIN2G
VIN1G
14
15
VIN2
No.7818-5/7
LA6574H
Sample Application Circuit
1
VCC2
REV 28
REV
2 LOADING MOTOR M 3
VO5
FWD 27
FWD
VO5+
S-GND 26
VCONT
4 TRACKING COIL 5
VO4+
VCONT 25
VO4
VIN4 24
6 FOCUS COIL 7
VO3+
VIN4G 23
VO3
VCC-S 22
F R
F R
8 SPINDLE MOTOR M 9
VO2+
VREF-IN 21
VO2
REG-OUT 20
10 VO1+ SLED MOTOR M 11 VO1
REG-IN 19 VCC
VIN3G 18
12 VCC1
VIN3 17
TRACKING VREF-IN
13 VIN1
VIN2G 16
FOCUS SPINDLE SLED
14 VIN1G
VIN2 15
No.7818-6/7
LA6574H
H Bridge Block
FWD L L H H REV L H L H VO5 OFF H L L VO5 OFF L H L Mode Open 1 Forward Reverse Brake 2
Note 1: The output are in the high-impedance state in this mode 2: In brake mode, the sink side transistors are on (short-circuit braking). The VLO and VLO levels go to a level essentially the same as the ground level. 3: VCONT (output voltage setting pin) and VLO have the following relationship: VLO VCONT 1 V (typical)
Relationship between the MUTE pin and the power supplies (VCC )
CH1 CH2 MUTE CH3 CH4 H Bridge VCC2 VCC1
Specifications of any and all SANYO 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. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, of otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. 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 This catalog provides information as of August, 2004. Specifications and information herein are subject to change without notice.
No.7818-7/7

▲Up To Search▲

Price & Availability of LA6574H

	To Download LA6574H Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .