
LA6543M
No. 5904-1/7
LA6543M
4-Channel Bridge (BTL) Driver for CD-ROM
Monolithic Linear IC
The LA6543M is a 4-channel bridge (BTL) driver
developed for CD-ROM applications.
Package Dimensions
unit: mm
3129-MFP36SLF
Maximum Ratings at Ta = 25
°C
Operating Conditions at Ta = 25
°C
Specifications
Overview
SANYO : MFP36SLF
[LA6543M]
Functions
4-channel power amplifier with bridge circuit (BTL)
IO max: 1A
Integrated muting circuit (MUTE: Output OFF at Low,
output ON at High. MUTE1 is for channel 1, and MUTE2
for channels 2, 3 and 4.)
Integrated thermal shutdown circuit
Divided output stage power supply (VS1: CH1, CH2, CH3;
VS2: CH4)
*VCC > VS1, 2
Note 1: Specified substrate 76.1 x 114.3 x 1.6 (t)mm, glass exposy
Ordering number : EN5904
N1798RM(KI)
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operation voltage 1
4 to 13
V
Recommended operation voltage 2-1
4 to 13
V
Recommended operation voltage 2-2
4 to 13
V
VCCmax
VSmax
VINmax
VS1, 2
VIN1 to 4
VMUTEmax
VS2: CH4 output reference power supply
VCC
VS1
VS2
VS1: CH1 to CH3
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage 1
14
V
Maximum supply voltage 2
14
V
Input voltage
Input pins
13
V
Mute pin voltage
13
V
Allowable power dissipation
Pd max
IC only
0.9
W
Specified substrate Note 1
2.1
W
Operating temperature
Topr
°C
Storage temperature
Tstg
°C
– 20 to +75
– 55 to +150
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
0.25
15.3
118
36
19
0.85
0.4
0.8
2.5max
2.25
0.1
7.9
9.2
10.5
0.65
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.