Buffered Power Half-Bridge
Typical Characteristics
High Side R
DS(ON)
0.30
0.30
0.25
AAT4900
Low Side R
DS(ON)
0.25
R
DS(ON)
(Ω)
0.20
0.15
0.10
0.05
0.00
-40
R
DS(ON)
(Ω)
V
IN
= 2.7V,
I
D
= 2.2A
0.20
0.15
0.10
0.05
0.00
-40
V
IN
= 2.7V,
I
D
= 2.2A
V
IN
= 2.7V,
I
D
= 0.2A
V
IN
= 5.5V,
I
D
= 0.2A to 2.2A
-20
0
20
40
60
V
IN
= 2.7V,
I
D
= 0.2A
V
IN
= 5.5V,
I
D
= 0.2A to 2.2A
-20
0
20
40
60
80
80
100
120
100
120
Temperature (°C)
Temperature (°C)
Propagation Delay vs. Input Voltage
(C
L
= 1000pF)
CLK/Enable Threshold vs. Input Voltage
2.4
Threshold Voltage (V)
120
Delay Time (ns)
t
PLH
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
100
80
60
40
V
ONH
V
ONL
t
PHL
20
1.5
2
2.5
3
3.5
4
4.5
5
5.5
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Input Voltage (V)
R
DS(ON)
vs. Input Voltage
0.28
0.26
0.24
R
DS(ON)
(Ω)
0.22
0.20
0.18
0.16
0.14
0.12
0.10
1.5
2
2.5
3
3.5
4
4.5
5
5.5
High Side
Low Side
Input Voltage (V)
6
4900.2006.05.1.3
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
