Ordering number : EN5904
LA6543M
Monolithic Linear IC
LA6543M
4-Channel Bridge (BTL) Driver for CD-ROM
Overview
The LA6543M is a 4-channel bridge (BTL) driver
developed for CD-ROM applications.
Package Dimensions
unit: mm
3129-MFP36SLF
[LA6543M]
36
19
Functions
鈥?4-channel power amplifier with bridge circuit (BTL)
鈥?I
O
max: 1A
鈥?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.)
鈥?Integrated thermal shutdown circuit
鈥?Divided output stage power supply (VS1: CH1, CH2, CH3;
VS2: CH4)
15.3
0.4
0.8
0.85
0.1
Specifications
Maximum Ratings
at Ta = 25
擄
C
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Input voltage
Mute pin voltage
Allowable power dissipation
Symbol
Conditions
Ratings
14
Unit
V
V
V
V
W
W
擄C
擄C
V
CC
max
V
S
max
V
IN
max
V
MUTE
max
Pd max
IC only
Specified substrate Note 1
V
S
1, 2
Input pins
V
IN
1 to 4
2.25
2.5max
SANYO : MFP36SLF
14
13
13
0.9
2.1
鈥?20 to +75
鈥?55 to +150
Operating temperature
Storage temperature
Topr
Tstg
Note 1: Specified substrate 76.1 x 114.3 x 1.6 (t)mm, glass exposy
Operating Conditions
at Ta = 25
擄
C
Parameter
Recommended operation voltage 1
Recommended operation voltage 2-1
Recommended operation voltage 2-2
Symbol
Conditions
Ratings
4 to 13
Unit
V
V
V
V
CC
V
S
1
V
S
2
V
S
1: CH1 to CH3
V
S
2: CH4 output reference power supply
4 to 13
4 to 13
*V
CC
> V
S
1, 2
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 Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N1798RM(KI) No. 5904-1/7
0.65
1
18
0.25
9.2
10.5
7.9
1
2
3
4
5
6
7
