MC33064 Microsemi Corporation, MC33064 Datasheet - Page 5

• Manufacturer Part Number: MC33064
• Description: (MC33064 / MC34064) UNDERVOLTAGE SENSING CIRCUIT
• Manufacturer: Microsemi Corporation

Copyright © 1999
Rev. 1.3
FIGURE 1. — INPUT VOLTAGE and RESET OUTPUT
FIGURE 3. — POWER-DOWN RESET VOLTAGE
6/99
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
20
15
10
20
15
10
0
5
0
5
0
0
0
R
T
R
T
.2
A
L
A
L
= 10k
= 25 C
= 10kohms
= 25 C
VOLTAGE vs. TIME
RESET
0.4
.4
.6
(t) Time - (ms)
(t) Time - (ms)
0.8
.8
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
1.0
V
IN
1.2
1.2
U
P
N D E R V O L T A G E
1.4
R O D U C T I O N
C H A R A C T E R I S T I C C U R V E S
1.6
1.6
1.8 2.0
2.0
S
E N S I N G
D
A T A
FIGURE 2. — POWER-UP RESET VOLTAGE
FIGURE 4. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
C
5
4
3
2
1
0
S
0
I R C U I T
H E E T
R
T
A
L
4.58
= 10kohms
R
T
= 25 C
A
L
= 10kohms
= 25 C
0.4
MC33064/MC34064
(V
4.59
IN
(t) Time - (ms)
) Input Voltage - (V)
0.8
V
4.60
IN
1.2
4.61
1.6
RESET
4.62
2.0
5