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PDF LA6545M Data sheet ( Hoja de datos )

Número de pieza LA6545M
Descripción Four-Channel Bridge (BTL) Driver for CD-ROM
Fabricantes Sanyo 
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No Preview Available ! LA6545M Hoja de datos, Descripción, Manual

Ordering number : ENN6296
Monolithic Linear IC
LA6545M
Four-Channel Bridge (BTL) Driver for CD-ROM
Overview
The LA6545M is a 4-channel bridge (BTL) driver
developed for use in CD-ROM systems.
Functions
• Bridge connected (BTL) four-channel power amplifier
• VCE (residual voltage) minimized (channels 1 and 2) by
using two power supplies.
• IOmax: 1.0 A
• Muting circuit provided (output on/off control)
Pd max — Ta
2.4
Mounted on a PCB
PCB: 76.1 × 114.3 × 1.6 mm3,
2.1 glass epoxy
2.0
(MUTE pin: low for output off, high for output on.
MUTE1: controls channels 1, 2, and 3, MUTE2:
controls channel 4.)
• Thermal protection (shutdown) circuit
• Separated output stage power supply (VS1: channels 1
and 2, VS2: channels 3 and 4)
Package Dimensions
unit: mm
3129-MFP36SLF
[LA6545M]
36 19
1.6
1.2
Independent IC
0.8
0.9
0.4
1.26
1 18 0.25
15.3
0.54
0
–20 0
20 40 60 75 80
Ambient temperature, Ta — °C
Specifications
Maximum Ratings at Ta = 25°C
100
0.4 0.8 0.85
SANYO: MFP36SLF
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Input voltage
MUTE pin voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
Conditions
VCC max
VS max
VIN max
VMUTE max
Pd max
VCC VS1, 2
VS1, 2, VCC VS1, 2
Each of the input pins VIN1 to VIN4
Independent IC
Mounted on the specified PCB (76.1 × 114.3 × 1.6 mm3, glass epoxy)
Topr
Tstg
Ratings
14
14
13
13
0.9
2.1
–20 to +75
–55 to +150
Unit
V
V
V
V
W
W
°C
°C
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
42800RM (OT) No. 6296-1/7

1 page




LA6545M pdf
Sample Application Circuit
LA6545M
VS(5V)
MUTE1
Focus input
Tracking input
Sled input
Loading input
MUTE2
VCC (12 V)
1 RF
RF 36
2 RF
RF 35
3 (NC)
VSS1 34
4 VSS2
5 VSS2-OUT
6 MUTE1
VSS1-OUT 33
VO1+ 32
VO1– 31
Focus coil
7 VIN1
8
Gain setting
9
VG1
VIN2
10
Gain setting
11
VG2
VIN3
12
Gain setting
13
VG3
VIN4
14
Gain setting
15
VG4
MUTE2
VS1 30
LA6545M
VO2+ 29
VO2– 28
Tracking coil
VO3+ 27
VO3– 26
M
Sled motor
VS2 25
VO4+ 24
M
VO4– 23 Loading motor
VREF OUT 22
16 VCC
VREF IN 21
VREF
17 RF
RF 20
18 RF
RF 19
A12690
No. 6296-5/7

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