RT9801A/B
Typical Operating Characteristics
N-Ch Driver Sink Current vs. V
RESET
7
6
N-Ch Driver Sink Current vs. V
RESET
12
V
DD
= 2.2V
Sink Current I
SINK
(mA)
V
DD
= 1.7V
5
4
Sink Current I
SINK
(mA)
10
8
6
4
2
0
V
DD
= 2.0V
V
DD
= 1.5V
3
2
1
0
0
0.5
1
1.5
2
2.5
3
V
DD
= 1.5V
T
A
= 25°C
V
TH
=
0
0.5
1
1.5
2
2.5
3
T
A
= 25°C
V
TH
= 2V
V
RESET
(V)
V
RESET
(V)
N-Ch Driver Sink Current vs. V
RESET
18
15
12
9
6
3
36
N-Ch Driver Sink Current vs. V
RESET
V
DD
= 4.0V
V
DD
= 3.5V
V
DD
= 3.0V
18
V
DD
= 2.8V
Sink Current I
SINK
(mA)
Sink Current I
SINK
(mA)
30
24
V
DD
= 2.5V
12
V
DD
= 2.0V
V
DD
= 2.0V
6
V
DD
= 1.5V
0
0
0.5
1
1.5
2
T
A
= 25°C
V
TH
= 3V
2.5
3
T
A
= 25°C
V
DD
= 1.5V
V
TH
= 4.5V
3
4
0
0
1
2
V
RESET
(V)
V
RESET
(V)
N-Ch Driver Sink Current vs. V
RESET
40
7
V
RESET
vs. V
DD
T
A
= 25°C
5.0V
4.5V
3.0V
2.4V
2.0V
V
DD
= 4.5V
6
5
Sink Current I
SINK
(mA)
32
V
DD
= 4.0V
24
V
DD
= 3.5V
V
DD
= 3.0V
V
RESET
(V)
T
A
= 25°C
V
TH
= 5V
4
3
2
1
0
0.0
1.0
2.0
16
V
DD
= 2.5V
8
V
DD
= 2.0V
V
DD
= 1.5V
0
0
1
2
3
4
5
3.0
4.0
5.0
6.0
V
RESET
(V)
V
DD
(V)
DS9801AB-11 March 2007
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
