MC33164-3_05 MICROSEMI [Microsemi Corporation], MC33164-3_05 Datasheet - Page 5

• Manufacturer Part Number: MC33164-3_05
• Description: 3V UNDERVOLTAGE SENSING CIRCUIT
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 1999
Rev. 1.2a 11/04
FIGURE 1. — INPUT VOLTAGE and RESET OUTPUT
FIGURE 3. — POWER-DOWN RESET VOLTAGE
2.5
2.5
7.5
7.5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
10
0
5
0
5
0
0
0
R
T
R
T
.2
A
L
A
L
RESET
= 82k
= 25°C
= 10kohms
= 25°C
VOLTAGE vs. TIME
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
3 V U
1.2
1.2
P
R O D U C T I O N
1.4
C H A R A C T E R I S T I C C U R V E S
N D E R V O L T A G E
1.6
1.6
1.8 2.0
2.0
S
D
E N S I N G
A T A
FIGURE 2. — POWER-UP RESET VOLTAGE
FIGURE 4. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE
3.00
2.50
2.00
1.50
1.00
0.50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
2.63
S
MC33164-3/MC34164-3
0
C
H E E T
I R C U I T
R
T
A
L
= 10kohms
= 25°C
0.4
2.65
(V
IN
) Input Voltage - (V)
(t) Time - (ms)
0.8
2.67
R
T
A
L
= 82k
= 25°C
V
IN
1.2
2.69
1.6
2.71
RESET
2.0
2.73
5