LB1947 Datasheet, PDF (1/7 Pages) Sanyo Semicon Device – PWM Current Control Type DC Motor Driver

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
Package Dimensions
unit: mm
3249-SIP13HJ
C0.7
[LB1947]
25.6
φ _3.4
(10.0)
2.4
φ 2.0
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
VBB max
I OPEAK
I O max
VCC max
VIN
VE max
VREF
Topr
Tstg
Pd max
tw ≤ 20 µs
Ta = 25°C
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Motor supply voltage
VBB
Logic supply voltage
VCC
Reference voltage
VREF
1
(0.8)
2.0 _0.5
Conditions
Conditions
1.15 ¹³
0.4
1.2
SANYO : SIP13HJ
Ratings
Unit
50
V
2.25
A
2.0
A
7.0
V
–0.3 to VCC
V
1.1
V
–0.3 to VCC
V
–20 to +85 °C
–55 to +150 °C
1.6 W
Ratings
Unit
10 to 45
V
4.75 to 5.25
V
0 to (Vcc–2)
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