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MC34164, MC33164,
NCV33164
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. The MC
devices are packaged in 3−pin TO−92 (TO−226AA), micro size
TSOP−5, 8−pin SOIC−8 and Micro8™ surface mount packages. The
NCV device is packaged in SOIC−8.
Applications include direct monitoring of the 3.0 V or 5.0 V
MPU/logic power supply used in appliance, automotive, consumer,
and industrial equipment.
Features
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STRAIGHT LEAD
BULK PACK
12
1
3
BENT LEAD
TAPE & REEL
AMMO PACK
2
TO−92 (TO−226AA)
P SUFFIX
CASE 29
•
•
•
•
•
•
•
•
•
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
mA
Economical TO−92 (TO−226AA), TSOP−5, SOIC−8 and Micro8
Surface Mount Packages
•
NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
•
Pb−Free Packages are Available
Input
Reset
5
1
TSOP−5
SN SUFFIX
CASE 483
8
8
1
1
SOIC−8
D SUFFIX
CASE 751
Micro8
DM SUFFIX
CASE 846A
PIN CONNECTIONS
Reset 1
Input 2
N.C. 3
Ground 4
(Top View)
8 N.C.
7 N.C.
6 N.C.
5 N.C.
TSOP−5
Pin 1.
2.
3.
4.
5.
Ground
Input
Reset
NC
NC
TO−92
Pin 1. Reset
2. Input
3. Ground
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
1.2 V
ref
= Sink Only
Positive True Logic
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 8 of this data sheet.
GND
Figure 1. Representative Block Diagram
This device contains 28 active transistors.
©
Semiconductor Components Industries, LLC, 2009
April, 2009
−
Rev. 18
1
Publication Order Number:
MC34164/D
MC34164, MC33164, NCV33164
MAXIMUM RATINGS
Rating
Power Input Supply Voltage
Reset Output Voltage
Reset Output Sink Current
Clamp Diode Forward Current, Reset to Input Pin (Note 1)
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package
Maximum Power Dissipation @ T
A
= 25°C
Thermal Resistance, Junction−to−Air
D Suffix, Plastic Package
Maximum Power Dissipation @ T
A
= 25°C
Thermal Resistance, Junction−to−Air
DM Suffix, Plastic Package
Maximum Power Dissipation @ T
A
= 25°C
Thermal Resistance, Junction−to−Air
Operating Junction Temperature
Operating Ambient Temperature Range
MC34164 Series
MC33164 Series, NCV33164
Storage Temperature Range
Electrostatic Discharge Sensitivity (ESD)
Human Body Model (HBM)
Machine Model (MM)
Symbol
V
in
V
O
I
Sink
IF
Value
−1.0
to 12
−1.0
to 12
Internally
Limited
100
Unit
V
V
mA
mA
P
D
R
qJA
P
D
R
qJA
P
D
R
qJA
T
J
T
A
700
178
700
178
520
240
+150
0 to +70
−
40 to +125
−
65 to +150
4000
200
mW
°C/W
mW
°C/W
mW
°C/W
°C
°C
T
stg
ESD
°C
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
MC34164−3, MC33164−3 SERIES, NCV33164−3
ELECTRICAL CHARACTERISTICS
(For typical values T
A
= 25°C, for min/max values T
A
is the operating ambient temperature
range that applies [Notes 2 & 3], unless otherwise noted.)
Characteristic
COMPARATOR
Threshold Voltage
High State Output (V
in
Increasing)
Low State Output (V
in
Decreasing)
Hysteresis (I
Sink
= 100
mA)
RESET OUTPUT
Output Sink Saturation
(V
in
= 2.4 V, I
Sink
= 1.0 mA)
(V
in
= 1.0 V, I
Sink
= 0.25 mA)
Output Sink Current (V
in
, Reset = 2.4 V)
Output Off−State Leakage
(V
in
, Reset = 3.0 V)
(V
in
, Reset = 10 V)
Clamp Diode Forward Voltage, Reset to Input Pin (I
F
= 5.0 mA)
TOTAL DEVICE
Operating Input Voltage Range
Quiescent Input Current
V
in
= 3.0 V
V
in
= 6.0 V
V
in
I
in
1.0 to 10
−
−
−
9.0
24
−
15
40
V
mA
V
OL
−
−
6.0
−
−
0.6
0.14
0.1
12
0.02
0.02
0.9
0.4
0.3
30
0.5
1.0
1.2
V
V
IH
V
IL
V
H
2.55
2.55
0.03
2.71
2.65
0.06
2.80
2.80
−
V
Symbol
Min
Typ
Max
Unit
I
Sink
I
R(leak)
mA
mA
V
F
V
1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
T
high
= +70°C for MC34164
3. T
low
= 0°C for MC34164
=
−
40°C for MC33164, NCV33164
= +125°C for MC33164, NCV33164
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MC34164, MC33164, NCV33164
MC34164−5, MC33164−5 SERIES, NCV33164−5
ELECTRICAL CHARACTERISTICS
(For typical values T
A
= 25°C, for min/max values T
A
is the operating ambient temperature
range that applies [Notes 5 & 6], unless otherwise noted.)
Characteristic
COMPARATOR
Threshold Voltage
High State Output (V
in
Increasing)
Low State Output (V
in
Decreasing)
Hysteresis (I
Sink
= 100
mA)
RESET OUTPUT
Output Sink Saturation
(V
in
= 4.0 V, I
Sink
= 1.0 mA)
(V
in
= 1.0 V, I
Sink
= 0.25 mA)
Output Sink Current (V
in
, Reset = 4.0 V)
Output Off−State Leakage
(V
in
, Reset = 5.0 V)
(V
in
, Reset = 10 V)
Clamp Diode Forward Voltage, Reset to Input Pin (I
F
= 5.0 mA)
TOTAL DEVICE
Operating Input Voltage Range
Quiescent Input Current
V
in
= 5.0 V
V
in
= 10 V
V
in
I
in
1.0 to 10
−
−
−
12
32
−
20
50
V
mA
V
OL
−
−
7.0
−
−
0.6
0.14
0.1
20
0.02
0.02
0.9
0.4
0.3
50
0.5
2.0
1.2
V
V
IH
V
IL
V
H
4.15
4.15
0.02
4.33
4.27
0.09
4.45
4.45
−
V
Symbol
Min
Typ
Max
Unit
I
Sink
I
R(leak)
mA
mA
V
F
V
4. Maximum package power dissipation limits must be observed.
5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
T
high
= +70°C for MC34164
6. T
low
= 0°C for MC34164
=
−
40°C for MC33164, NCV33164
= +125°C for MC33164, NCV33164
7. NCV prefix is for automotive and other applications requiring site and change control.
10
R
L
= 82 k to V
in
T
A
= 25°C
10
R
L
= 82 k to V
in
T
A
= 25°C
VO , OUTPUT VOLTAGE (V)
VO , OUTPUT VOLTAGE (V)
4.0
6.0
8.0
10
8.0
6.0
4.0
2.0
0
0
8.0
6.0
4.0
2.0
0
2.0
0
2.0
4.0
6.0
8.0
10
V
in
, INPUT VOLTAGE (V)
V
in
, INPUT VOLTAGE (V)
Figure 2. MC3X164−3 Reset Output
Voltage versus Input Voltage
Figure 3. MC3X164−5 Reset Output
Voltage versus Input Voltage
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MC34164, MC33164, NCV33164
5.0
V O , OUTPUT VOLTAGE (V)
V O , OUTPUT VOLTAGE (V)
4.0
3.0
2.0
1.0
R
L
= 82 k to V
in
T
A
= 25°C
0
2.62
2.66
2.70
2.74
2.78
0
4.22
4.26
5.0
4.0
3.0
2.0
1.0
R
L
= 82 k to V
in
T
A
= 25°C
4.30
4.34
4.38
V
in
, INPUT VOLTAGE (V)
V
in
, INPUT VOLTAGE (V)
Figure 4. MC3X164−3 Reset Output
Voltage versus Input Voltage
Figure 5. MC3X164−5 Reset Output
Voltage versus Input Voltage
2.76
V in , THRESHOLD VOLTAGE (V)
V in , THRESHOLD VOLTAGE (V)
Upper Threshold
High State Output
2.72
4.36
4.32
Upper Threshold
High State Output
2.68
4.28
2.64
Lower Threshold
Low State Output
4.24
Lower Threshold
Low State Output
2.60
- 50
- 25
0
25
50
75
100
125
4.20
- 50
- 25
0
25
50
75
100
125
T
A
, AMBIENT TEMPERATURE (°C)
T
A
, AMBIENT TEMPERATURE (°C)
Figure 6. MC3X164−3 Comparator Threshold
Voltage versus Temperature
Figure 7. MC3X164−5 Comparator Threshold
Voltage versus Temperature
50
40
30
20
10
0
T
A
= 0°C
T
A
= 70°C
T
A
= 25°C
I in, INPUT CURRENT (
μ
A)
50
40
30
20
10
0
T
A
= 25°C
I in, INPUT CURRENT (
μ
A)
T
A
= 0°C
T
A
= 70°C
0
2.0
4.0
6.0
8.0
10
0
2.0
4.0
6.0
8.0
10
V
in
, INPUT VOLTAGE (V)
V
in
, INPUT VOLTAGE (V)
Figure 8. MC3X164−3 Input Current
versus Input Voltage
Figure 9. MC3X164−5 Input Current
versus Input Voltage
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