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부품번호 | MC33164 기능 |
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기능 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS | ||
제조업체 | Motorola Semiconductors | ||
로고 | |||
전체 8 페이지수
Order this document by MC34164/D
Micropower Undervoltage
Sensing Circuits
The MC34164 series are undervoltage sensing circuits specifically
designed for use as reset controllers in portable microprocessor based
systems where extended battery life is required. These devices offer the
designer an economical solution for low voltage detection with a single
external resistor. The MC34164 series features a bandgap reference, a
comparator with precise thresholds and built–in hysteresis to prevent erratic
reset operation, an open collector reset output capable of sinking in excess
of 6.0 mA, and guaranteed operation down to 1.0 V input with extremely low
standby current. These devices are packaged in 3–pin TO–226AA, 8–pin
SO–8 and Micro–8 surface mount packages.
Applications include direct monitoring of the 3.0 or 5.0 V MPU/logic power
supply used in appliance, automotive, consumer, and industrial equipment.
• Temperature Compensated Reference
• Monitors 3.0 V (MC34164–3) or 5.0 V (MC34164–5) Power Supplies
• Precise Comparator Thresholds Guaranteed Over Temperature
• Comparator Hysteresis Prevents Erratic Reset
• Reset Output Capable of Sinking in Excess of 6.0 mA
• Internal Clamp Diode for Discharging Delay Capacitor
• Guaranteed Reset Operation With 1.0 V Input
• Extremely Low Standby Current: As Low as 9.0 µA
• Economical TO–226AA, SO–8 and Micro–8 Surface Mount Packages
MC34164
MC33164
MICROPOWER
UNDERVOLTAGE
SENSING CIRCUITS
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
PLASTIC PACKAGE
CASE 29
(TO–226AA)
123
Pin 1. Reset
2. Input
3. Ground
D SUFFIX
PLASTIC PACKAGE 8
CASE 751
(SO–8)
1
DM SUFFIX
PLASTIC PACKAGE
CASE 846A
(Micro–8)
8
1
Representative Block Diagram
Input 2 (2)
Reset
1 (1)
Reset 1
Input 2
N.C. 3
Ground 4
8 N.C.
7 N.C.
6 N.C.
5 N.C.
(Top View)
1.2 Vref
Gnd 3 (4)
=
Sink Only
Positive True Logic
Pin numbers adjacent to terminals are for the 3–pin TO–226AA package.
Pin numbers in parenthesis are for the 8–lead packages.
This device contains 28 active transistors.
MOTOROLA ANALOG IC DEVICE DATA
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC34164D–3
MC34164D–5
MC34164DM–3
MC34164DM–5
MC34164P–3
MC34164P–5
MC33164D–3
MC33164D–5
MC33164DM–3
MC33164DM–5
MC33164P–3
MC33164P–5
TA = 0° to +70°C
TA = –40° to +125°C
SO–8
Micro–8
TO–226AA
SO–8
Micro–8
TO–226AA
© Motorola, Inc. 1996
Rev 1
1
MC34164 MC33164
Figure 3. MC3X164–3 Reset Output
Voltage versus Input Voltage
5.0
4.0
3.0
2.0
1.0
0
2.62
RL = 82 k to Vin
TA = 25°C
2.66 2.70 2.74
Vin, INPUT VOLTAGE (V)
2.78
Figure 4. MC3X164–5 Reset Output
Voltage versus Input Voltage
5.0
4.0
3.0
2.0
1.0
0
4.22
RL = 82 k to Vin
TA = 25°C
4.26 4.30
4.34
Vin, INPUT VOLTAGE (V)
4.38
Figure 5. MC3X164–3 Comparator Threshold
Voltage versus Temperature
2.76
Upper Threshold
High State Output
2.72
2.68
2.64
2.60
– 50 – 25
Lower Threshold
Low State Output
0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
125
Figure 6. MC3X164–5 Comparator Threshold
Voltage versus Temperature
4.36
4.32
Upper Threshold
High State Output
4.28
4.24 Lower Threshold
Low State Output
4.20
– 50 – 25
0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
125
Figure 7. MC3X164–3 Input Current
versus Input Voltage
50
TA = 25°C
40
30
20 TA = 0°C
TA = 70°C
10
0
0 2.0 4.0 6.0 8.0 10
Vin, INPUT VOLTAGE (V)
Figure 8. MC3X164–5 Input Current
versus Input Voltage
50
40
30 TA = 25°C
20 TA = 0°C
10 TA = 70°C
0
0 2.0 4.0 6.0 8.0 10
Vin, INPUT VOLTAGE (V)
4 MOTOROLA ANALOG IC DEVICE DATA
4페이지 R
SEATING
PLANE
AB
P
L
F
K
XX
H
V
G
C
1
N
N
MC34164 MC33164
OUTLINE DIMENSIONS
P SUFFIX
PLASTIC PACKAGE
CASE 29–04
(TO–226AA)
ISSUE AD
D
J
SECTION X–X
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. DIMENSION F APPLIES BETWEEN P AND L.
DIMENSION D AND J APPLY BETWEEN L AND K
MINIMUM. LEAD DIMENSION IS UNCONTROLLED
IN P AND BEYOND DIMENSION K MINIMUM.
INCHES
DIM MIN MAX
A 0.175 0.205
B 0.170 0.210
C 0.125 0.165
D 0.016 0.022
F 0.016 0.019
G 0.045 0.055
H 0.095 0.105
J 0.015 0.020
K 0.500 –––
L 0.250 –––
N 0.080 0.105
P ––– 0.100
R 0.115 –––
V 0.135 –––
MILLIMETERS
MIN MAX
4.45 5.20
4.32 5.33
3.18 4.19
0.41 0.55
0.41 0.48
1.15 1.39
2.42 2.66
0.39 0.50
12.70 –––
6.35 –––
2.04 2.66
––– 2.54
2.93 –––
3.43 –––
–A–
8
–B–
1
5
4
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SO–8)
ISSUE P
J
G
M_
–T–
8X D
SEATING
PLANE
0.25 (0.010) M T B S A S
NOTES:
1. DIMENSIONS A AND B ARE DATUMS AND T IS A
DATUM SURFACE.
2. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
3. DIMENSIONS ARE IN MILLIMETER.
4. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
5. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
6. DIMENSION D DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE D DIMENSION AT MAXIMUM MATERIAL
CONDITION.
MILLIMETERS
DIM MIN MAX
A 4.80 5.00
B 3.80 4.00
C 1.35 1.75
D 0.35 0.49
F 0.40 1.25
G 1.27 BSC
J 0.18 0.25
K 0.10 0.25
M 0_ 7_
P 5.80 6.20
R 0.25 0.50
MOTOROLA ANALOG IC DEVICE DATA
7
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