4.6 Idd Curves
Cx = 5pF, Cs = 4.7nF, Ta = 20oC, Spread spectrum circuit (see Fig. 1.1).
QT1101 Idd (normal mode) mA
QT1101 Idd (120ms response) µA
5.0
4.0
3.0
2.0
1.0
0.0
700
600
500
400
300
200
100
0
Rb1=12K
Rb2=22K
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=27K
Rb1=12K
Rb2=27K
2.5
3
3.5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
Vdd(V)
QT1101 Idd (200ms response) µA
QT1101 Idd (360ms response) µA
400
300
200
100
0
300
250
200
150
100
50
Rb1=12K
Rb2=22K
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=27K
Rb1=12K
Rb2=27K
0
2.5
3
3.5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
Vdd(V)
Cx = 5pF, Cs = 4.7nF, Ta = 20oC, No spread spectrum circuit (see Fig. 1.1).
QT1101 Idd (normal mode) mA
QT1101 Idd (120ms response) µA
5.0
4.0
3.0
2.0
1.0
0.0
600
500
400
300
200
100
0
Rb1=20K
Rb1=20K
Rb1=18K
Rb1=15K
Rb1=18K
Rb1=15K
2.5
3
3.5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
Vdd(V)
QT1101 Idd (200ms response) µA
QT1101 Idd (360ms response) µA
300
250
200
150
100
50
150
125
100
75
Rb1=20K
Rb1=20K
50
Rb1=18K
Rb1=15K
Rb1=18K
Rb1=15K
25
0
0
2.5
3
3.5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
Vdd(V)
lQ
12
QT1101 R4.06/0806
QUANTUM [ QUANTUM RESEARCH GROUP ]
