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부품번호 | MC33164-3 기능 |
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기능 | 3V UNDERVOLTAGE SENSING CIRCUIT | ||
제조업체 | Microsemi | ||
로고 | |||
전체 9 페이지수
T H E I N F I N I T E P O W E R O F I N N O VAT I O N
MC33164-3/MC34164-3
3V UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
DESCRIPTION
The MC33164-3 and MC34164-3 are
undervoltage sensing circuits designed
specifically for use as reset controllers in
microprocessor-based systems. They
offer the designer an economical, space
efficient solution for low supply voltage
detection when used in combination
with a single pull-up resistor. Adding
one capacitor offers the functionality of
a programmable delay time after power
returns. The MC33164-3 and MC34164-3
consist of a temperature stable reference
comparator with hysteresis, high-current
clamping diode and an open collector
output stage capable of sinking more
than 6mA over the full temperature
range. The MC33164-3 and MC34164-3's
RESET output is specified to be fully
functional at VIN ≥ 1V. See Product
Highlight below.
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.
PRODUCT HIGHLIGHT
RESET OUTPUT VS. I N P U T V O LTA G E
10
3
K E Y F E AT U R E S
s Monitors +3.3V Supplies
(V = 2.7V Typ)
T
s Outputs Fully Defined At VIN ≥ 1V (See
Product Highlight)
s Ultra-Low Supply Current (13µA Max.)
! Temperature Compensated ICC For
Extremely Stable Current Consumption
! µP Reset Delay Programmable With 1
External Resistor And Capacitor
! Comparator Hysteresis Prevents Output
Oscillation (60mV Typ.)
! Electrically Compatible With Motorola
MC34164-3
! Pin-to-Pin Compatible With Motorola
MC34064 / MC34164
APPLICATIONS
s All Microprocessor Or Microcontroller
Designs Using 3V/3.3V Supplies
s Simple 3V/3.3V Undervoltage Detection
2
1
Undefined
0
0123
Input Voltage - (V)
10
PA C K A G E O R D E R I N F O R M AT I O N
TA (°C)
DM
Plastic
8-pin
SOIC
LP
Plastic
3-pin
TO-92
0 to 70
MC34164-3DM
MC34164-3LP
-40 to 85
MC33164-3DM
MC33164-3LP
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. MC34164-3DMT)
Copyright © 1999
Rev. 1.2 6/99
LINFINITY MICROELECTRONICS INC.
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
1
PRODUCT DATABOOK 1996/1997
MC33164-3/MC34164-3
3V UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
GRAPH / CURVE INDEX
Characteristic Curves
FIGURE #
1. INPUT VOLTAGE vs. RESET OUTPUT VOLTAGE
2. POWER-UP RESET VOLTAGE
3. POWER-DOWN RESET VOLTAGE
4. RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE HYSTERESIS
5. THRESHOLD VOLTAGE vs. TEMPERATURE
6. THRESHOLD HYSTERESIS vs. TEMPERATURE
7. SUPPLY CURRENT vs. INPUT VOLTAGE
8. SUPPLY CURRENT vs. TEMPERATURE
9. LOW LEVEL OUTPUT CURRENT vs TEMPERATURE
10. LOW LEVEL OUTPUT SATURATION VOLTAGE vs. TEMPERATURE
11. LOW LEVEL OUTPUT SATURATION VOLTAGE vs. TEMPERATURE
12. CLAMP DIODE FORWARD VOLTAGE vs. FORWARD CURRENT
13. PROPAGATION DELAY — HIGH to LOW
14. PROPAGATION DELAY — LOW to HIGH
15. MINIMUM OPERATING VOLTAGE OVER TEMPERATURE
FIGURE INDEX
Application Circuits
FIGURE #
16. LOW VOLTAGE MICROPROCESSOR RESET
17. SWITCHING THE LOAD OFF WHEN BATTERY REACHES BELOW 2.7V
18. VOLTAGE MONITOR
19. SOLAR POWERED BATTERY CHARGER
4 Copyright © 1999
Rev. 1.2 6/99
4페이지 PRODUCT DATABOOK 1996/1997
MC33164-3/MC34164-3
3V UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 9. — LOW LEVEL OUTPUT CURRENT
vs. TEMPERATURE
40
VIN = VOUT = 2.4V
35
30
25
20
15
10
5
0
-50 -25 0 25 50 75
(TA) Ambient Temperature - (°C)
100
FIGURE 10. — LOW LEVEL OUTPUT SATURATION VOLTAGE
vs. TEMPERATURE
100
90
VIN = 2.4V
IOUT = 1mA
80
70
60
50
40
30
20
10
0
-50 -25 0 25 50 75 100
(TA) Ambient Temperature - (°C)
FIGURE 11. — LOW LEVEL OUTPUT SATURATION VOLTAGE
vs. TEMPERATURE
50
45
VIN = 1V
IOUT = 250µA
40
35
30
25
20
15
10
5
0
-50 -25 0 25 50 75 100
(TA) Ambient Temperature - (°C)
FIGURE 12. — CLAMP DIODE FORWARD VOLTAGE
vs. FORWARD CURRENT
-1.6
-1.5
-1.4
-1.3
-1.2
-40°C
-1.1
-1
25°C
-0.9
-0.8
85°C
-0.7
-0.6
0 10 20 30 40 50 60 70 80 90 100
(IF) Diode Forward Current - (mA)
Copyright © 1999
Rev. 1.2 6/99
7
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부품번호 | 상세설명 및 기능 | 제조사 |
MC33164-3 | 3V UNDERVOLTAGE SENSING CIRCUIT | Microsemi |
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