AAT4901 Datasheet, PDF (12/16 Pages) Advanced Analogic Technologies – Buffered Power Full-Bridge

FastSwitch^TM
V_IN: 2.0~5.5V
CLK/DIR
1
ENA
8
N/C
2
7
IN
OUTA
M
EN
3
AAT4901-1
6
ENB
OUTB
C1
4.7µF/16V
4
N/C
5
GND
PRODUCT DATASHEET
AAT4901
Buffered Power Full-Bridge
VIN: 2.0~5.5V
CLK/DIR
Brake
1
ENA
8
N/C
CLK/DIR
Brake
2
IN
7
OUTA
M
3
AAT4901-2
6
ENB
OUTB
4
C1
N/C
5
GND
4.7µF/16V
V_IN: 2.0~5.5V
EN
CLK/DIR
1
ENA
8
END
2
7
IN
OUTA
M
3
AAT4901-3
6
ENB
OUTB
4
ENC
5
GND
C1
4.7µF/16V
VIN: 2.0~5.5V
CLK/DIR
1
ENA
8
N/C
2
IN
7
OUTA
M
3
AAT4901-4
6
ENB
OUTB
C1
4.7µF/16V
4
N/C
5
GND
Figure 4: Full-Bridge Motor Driver Using AAT4901.
200
20
Motor Speed
150
15
100
10
Supply Voltage
50
5
0
Ton
0
T
Time
Figure 5: Motor Speed vs. Supply Voltage.
12
www.analogictech.com
4901.2008.03.1.0