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
[LB1947]
25.
6 C0.
7
φ 3.
4 φ 2.
0
2.
4
(10.
0)
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 in...