ELM77xxxxxC
CMOS Dual voltage detector
■Typical performance characteristics
• ELM772211BC
Vout1 vs Vdet
�½
3.5
3
2.5
Vout2 vs Vdd
�½
3.5
3
Cond.
Rpullup=100K
Vpullup=3V
Ta=25
�½
-30
�½
2.5
Cond.
Rpullup=100K
Vpullup=3V
Ta=25
�½
80
�½
25
�½
-30
�½
Vout1 (V)
2
Vout2 (V)
1.3
1.4
25
�½
2
1.5
1
0.5
0
0
0.5
1
1.5
1
0.5
0
0.8
0.9
1
1.1
80
�½
1.2
Vdet (V)
1.5
2
2.5
3
Vdd (V)
1.2
1.18
1.16
�½
Vdetn1, Vdetp1 vs Ta
2.32
�½
Vdetn2, Vdetp2 vs Ta
�½
Vdetp2
Vdetp1
2.3
2.28
Vdetn1, Vdetp1 (V)
1.12
1.1
1.08
1.06
1.04
1.02
1
-40
-20
Vhys1
Vdetn2, Vdetp2 (V)
1.14
2.26
2.24
2.22
2.2
2.18
2.16
2.14
2.12
Vhys2
Vdetn1
Vdetn2
Ambient Temperature (
�½
)
0
20
40
60
80
2.1
-40
-20
Ambient Temperature (
�½
)
0
20
40
60
80
1
0.9
�½
�½�½�½
�½�½
Idd vs
�½
Vdd
80
�½
25
�½
Cond.
Vdet=0V
Vout1=Open
0.8
�½ �½ �½ �½
Vout2=Open
Ta=25
�½
0.7
Idd (�½A)
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
4
-30
�½
5
6
Vdd (V)
10 - 7
ELM-TECH [ ELM Technology Corporation ]
