SANYO LB1640N Datasheet
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
°
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
51695HA(II) No.1357-1/3
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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