Ordering number : ENN*6192
LB1947
Monolithic Digital IC
LB1947
PWM Current Control Type DC Motor Driver
Preliminary
Features
• PWM current control (fixed OFF time)
• Selectable current decay pattern (FAST, SLOW, and
MIX DECAY modes)
• Simultaneous ON prevention function (feedthrough
current prevention)
• Built-in thermal shutdown circuit
• Built-in noise canceler
C0.7
φ
3.4
Package Dimensions
unit: mm
3249-SIP13HJ
[LB1947]
25.6
(10.0)
φ
2.0
2.4
2.0min
1
(0.8)
2.0
0.5
1.15 13
3.5
(13.9)
12.2
(12.8)
16.4max
0.4
1.2
Specifications
Absolute Maximum Ratings
at Ta = 25
°
C
Parameter
Maximum motor supply voltage
Output peak current
Output continuous current
Logic supply voltage
Logic input voltage range
Emitter output voltage
Reference voltage
Operating temperature
Storage temperature
Allowable power dissipation
Symbol
V
BB
max
I
OPEAK
I
O
max
V
CC
max
V
IN
V
E
max
V
REF
Topr
Tstg
Pd max
Ta = 25°C
Conditions
tw
≤
20
µs
Ratings
50
2.25
2.0
7.0
–0.3 to V
CC
1.1
–0.3 to V
CC
–20 to +85
–55 to +150
1.6
SANYO : SIP13HJ
Unit
V
A
A
V
V
V
V
°C
°C
W
Allowable Operating Ranges
at Ta = 25
°
C
Parameter
Motor supply voltage
Logic supply voltage
Reference voltage
Symbol
V
BB
V
CC
V
REF
Conditions
Ratings
10 to 45
4.75 to 5.25
0 to (Vcc–2)
Unit
V
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
80699RM(KI) No. 6192-1/7
φ
3.0min
SANYO [ SANYO SEMICON DEVICE ]
