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PDF LA5685N Data sheet ( Hoja de datos )

Número de pieza LA5685N
Descripción Monolithic Linear IC
Fabricantes Sanyo 
Logotipo Sanyo Logotipo



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Ordering number:ENN4185
Monolithic Linear IC
LA5685N
Multifunction, Multi-Power Supply IC
for Car Radios
Overview
The LA5685N is a multifunction, multipower supply IC
developed for car radios. It has 8.5V AM output, 8.5V FM
output, 8.5V common output, 5.2V microcomputer output,
and 5.1V bias output, making it the ideal power supply for
LA1833 and LA1887 ICs for FM/AM tuner systems.
Features
• A total of five built-in outputs : V1=8.5V (AM), V2=8.5V
(FM), V3=8.5V (common), V4=5.2V (microcomputer),
and V5=5.1V.
• R ON/OFF, FM/AM switching functions.
• Minimal static current for backup (120µA typ).
• Built-in overvoltage protection circuit (V1, V2, and V3 go
off at 28V (typ.), V4 and V5 go off at 56V (typ)).
• Built-in thermal shutdouwn circuit (output goes off at
Tj=170°C (typ.)).
• Built-in short protection circuit.
Package Dimensions
unit:mm
3046B-SIP10F
[LA5685N]
25.5
24.0
3.6
1
1.32 2.54
0.5
1.3
3.6
10
0.45
1.6
SANYO : SIP10F
Specifications
Maximum Ratings at Ta = 25˚C
Parameter
Input votage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
Conditions
VCC max1
4% duty pulse width 200ms pulse input (input pulse
when output on)
VCC max2
I1 max
I2 max
I3 max
I4 max
I5 max
Pd max
Topr
Tstg
Operating Conditions at Ta = 25˚C
Parameter
Symbol
Power supply voltage
B/U voltage
VCC op
B/U
Conditions
9V to 10.5V not regulated
6V to 8.5V not regulated
Ratings
Unit
75 V
25
80
100
200
50
5
2.45
–35 to +85
–40 to +125
V
mA
mA
mA
mA
mA
W
˚C
˚C
Ratings
9 to 16
6 to 16
Unit
V
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
40500TN (KT)/8282TS No.4185–1/4

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