Sanyo LB1648 Specifications
Ordering number:EN3221A
Monolithic Digital IC
LB1648
Dual Bidirectional Motor Driver
Overview
The LB1648 is a dual bidirectional motor driver. It is
especially suited for reel motor in cassette deck.
Features
• 2-input logic can be used to exercise control of bidirectional driving, braking and open.
• Output voltage variable by use of external Zener diode.
• On-chip thermal protector.
Specifications
Absolute Maximum Ratings at Ta = 25˚C
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tnerructuptuOI
noitapissidrewopelbawollAxamdP 9.1W
erutarepmetgnitarepOrpoT 57+ot52–
erutarepmetegarotSgtsT 521+ot55–
xam 81V
CC
NI
O
Package Dimensions
unit:mm
3022A-DIP12F
[LB1648]
SANYO : DIP12F
81V
8.0±A
˚C
˚C
Allowable Operating Conditions at Ta = 25˚C
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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.
CC
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
82098HA (KT)/7310TS/1220TA, TS No.3221-1/7
61+ot7V
LB1648
Electrical Characteristics at Ta = 25˚C, VCC=12V, per channel
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Z
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Equivalent Circuit Block Diagram
I
1CC
I
2CC
I
3CC
LO
RL=∞ 9.050.102.1V
ht
V
O
Z
I
1tas
2tas
Z
TUO
I
TUO
I
TUO
I
TUO
V
Z
R,drawrof1niP
= ,∞ VZV4=5122Am
L
R,drawrof7niP
= ,∞ VZV4=4102Am
L
R,nrepo7niP
=∞ 5.13Am
L
R,edomgnikarB
= ,∞ niptuptuorep04021Aµ
L
I,V4=
I,V4=
Am58=57.30.452.4V
TUO
Am002=9.13.2V
Am004=0.24.2V
Am002=3.055.0V
Am004=5.07.0V
Am0=55.058.051.1Am
TUO
sgnitaR
nimpytxam
tinU
Logic Section Truth Table
Note : A capacitor of 0.01µF or grater must be connected across V
CC1, 2
and GND
No.3221-2/7
Sample Application Circuit
Test Circuit (1channel)
LB1648
No.3221-3/7
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