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Ordering number: EN 1357D
Monolithic Digital IC
LB1640N
Forward/Reverse Motor Driver with Brake
Overview
The LB1640N is a motor driver IC with a forward/reverse
control feature. This IC is optimal for driving motors used in
front-loading VCRs and auto-reverse cassette decks.
Features
.
Brake function on chip
.
Dash current absorption diode on chip
.
Broad operating voltage range (4 to 18 V)
.
Direct drive made possible by TTL
Specifications
Absolute Maximum Ratings atTa=25°C
Package Dimensions
unit : mm
3046B-SIP10F
[LB1640N]
SANYO : SIP10F
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Input voltage V
Output current I
Allowable power dissipation Pd max
Operating temperature Topr –25 to +75
Storage temperature Tstg –55 to +125
CC
IN
max t = 5 ms, with cycle time of 5 sec. or more 1.6 A
O
No heat sink 2.5 W
When using heat sink ( 100 x 100 x 1.5 mm
3
) 7.0 W
–0.3 to V
Allowable Operating Ranges atTa=25°C
Parameter Symbol Ratings Unit
Supply voltage V
High-level input voltage V
Low-level input voltage V
Output current I
Forward ↔ Reverse inhibit time T
CC
IH
IL
O
OFF
4to18 V
3toV
CC
–0.3 to +0.4 V
–500 to +500 mA
10 or longer µs
20 V
CC
V
V
C
°
C
°
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51695HA(II) No.1357-1/3
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LB1640N
Electrical Characteristics atTa=25°C, VCC=VCC’=12V
Parameter Symbol
Supply Current I
High-level output voltage
Low-level output voltage
Interoutput voltage V
Input voltage V
Output leakage current I
CC
V
1VI1orVI2=3V,IO= –300 mA 10.8 V
OH
V
2VI1orVI2=3V,IO= –500 mA 10.7 V
OH
V
1VI1orVI2=3V,IO= 300 mA 0.5 V
OL
V
2VI1orVI2=3V,IO= 500 mA 0.65 V
OL
1-VO2VI1orVI2=3V,IO= ±300 mA 10.3 V
O
I
O Leak
Control Modes
Input Output
1212
0 0 — — Open
1010 Forward
0101 Reverse
1100 Brake
Equivalent Circuit Block Diagram
Output
VI1orVI2=3V,RL=∞,VCC=VCC’=16V 40 mA
II= 500 µA 3 V
VCC=VCC’=20V
V
1=VIN2=0V,VO=20Vor0V
IN
min typ max Unit
±100 µA
Remarks
Sample Application Circuit
Input logic
In brake mode (when inputs
1 and 2 are both ‘‘1’’)
-mA
CC
Supply current, I
Note: Do not use the NC pin.
In forward mode
(when input 1 or 2 is ‘‘1’’)
-V
OH
High-level output voltage, V
Supply voltage, VCC-V
Output current, IO-A
No.1357-2/3
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LB1640N
-V
OL
Low-level output voltage, V
-µA
IN
Input current, I
Output current, IO-A
Infinite heat sink
No heat sink
Allowable power dissipation, Pd max - W
Ambient temperature, Ta -°C
Input voltage, VIN-V
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors
and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:
2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO
ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of May, 1995. Specifications and information herein are subject to change without notice.
No.1357-3/3
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