ON Semiconductor MC33064D-5R2G

Cross Number:

Item Description: ANA UNDER 5V SENSE CRKT

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Semiconductor Components Industries, LLC, 2005
February, 2005 − Rev. 12
1 Publication Order Number:
MC34064/D
MC34064, MC33064,
NCV33064
Undervoltage Sensing
Circuit
The MC34064 is an undervoltage sensing circuit specifically
designed for use as a reset controller in microprocessor−based
systems. It offers the designer an economical solution for low voltage
detection with a single external resistor. The MC34064 features a
trimmed−in−package bandgap reference, and a comparator with
precise thresholds and built-in hysteresis to prevent erratic reset
operation. The open collector reset output is capable of sinking in
excess of 10 mA, and operation is guaranteed down to 1.0 V input with
low standby current. The MC devices are packaged in 3−pin TO-92,
micro size TSOP−5, 8−pin SOIC−8 and Micro8 surface mount
packages. The NCV device is packaged in SOIC−8 and TO−92.
Applications include direct monitoring of the 5.0 V MPU/logic
power supply used in appliance, automotive, consumer and industrial
equipment.
Features
Trimmed−In−Package Temperature Compensated Reference
Comparator Threshold of 4.6 V at 25°C
Precise Comparator Thresholds Guaranteed Over Temperature
Comparator Hysteresis Prevents Erratic Reset
Reset Output Capable of Sinking in Excess of 10 mA
Internal Clamp Diode for Discharging Delay Capacitor
Guaranteed Reset Operation with 1.0 V Input
Low Standby Current
Economical TO−92, 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
1.2 V
ref
2 (2)
1 (1)
3 (4)
Reset
GND
Input
=
Sink Only
Positive True Logic
Pin numbers adjacent to terminals are for the 3−pin TO−92 package.
Pin numbers in parenthesis are for the 8−lead packages.
This device contains 21 active transistors.
Figure 1. Representative Block Diagram
http://onsemi.com
1
2
3
Pin 1. Reset
2. Input
3. Ground
TO−92
P SUFFIX
CASE 29
8
1
(Top View)
3
1
N.C.
Ground
N.C.
N.C.
2
4
8
7
6
5
N.C.
N.C.
Input
Reset
8
1
PIN CONNECTIONS
ORDERING INFORMATION
SOIC−8
D SUFFIX
CASE 751
Micro8
DM SUFFIX
CASE 846A
TSOP−5
SN SUFFIX
CASE 483
1
5
Pin 1. Reset
2. Input
3. Ground
4. NC
5. NC
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
See general marking information in the device marking
section on page 7 of this data sheet.
DEVICE MARKING INFORMATION
MC34064, MC33064, NCV33064
http://onsemi.com
2
MAXIMUM RATINGS
Rating Symbol Value Unit
Power Input Supply Voltage V
in
−1.0 to 10 V
Reset Output Voltage V
O
10 V
Reset Output Sink Current (Note 2) I
Sink
Internally
Limited
mA
Clamp Diode Forward Current, Pin 1 to 2 (Note 2) I
F
100 mA
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
P
D
R
JA
P
D
R
JA
P
D
R
JA
625
200
625
200
520
240
mW
°C/W
mW
°C/W
mW
°C/W
Operating Junction Temperature T
J
+150 °C
Operating Ambient Temperature
MC34064
MC33064
NCV33064
T
A
0 to +70
−40 to +85
−40 to +125
°C
Storage Temperature Range T
stg
−65 to +150 °C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. ESD data available upon request.
ELECTRICAL CHARACTERISTICS (For typical values T
A
= 25°C, for min/max values T
A
is the operating ambient temperature range
that applies [Notes 3 and 4] unless otherwise noted.)
Characteristics Symbol Min Typ Max Unit
COMPARATOR
Threshold Voltage
High State Output (V
in
Increasing)
Low State Output (V
in
Decreasing)
Hysteresis
V
IH
V
IL
V
H
4.5
4.5
0.01
4.61
4.59
0.02
4.7
4.7
0.05
V
RESET OUTPUT
Output Sink Saturation
(V
in
= 4.0 V, I
Sink
= 8.0 mA)
(V
in
= 4.0 V, I
Sink
= 2.0 mA)
(V
in
= 1.0 V, I
Sink
= 0.1 mA)
V
OL
0.46
0.15
1.0
0.4
0.1
V
Output Sink Current (V
in
, Reset = 4.0 V) I
Sink
10 27 60 mA
Output Off-State Leakage (V
in
, Reset = 5.0 V) I
OH
0.02 0.5 A
Clamp Diode Forward Voltage, Pin 1 to 2 (I
F
= 10 mA) V
F
0.6 0.9 1.2 V
TOTAL DEVICE
Operating Input Voltage Range V
in
1.0 to 6.5 V
Quiescent Input Current (V
in
= 5.0 V) I
in
390 500 A
2. Maximum package power dissipation limits must be observed.
3. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
4. T
low
=0°C for MC34064 T
high
= +70°C for MC34064
−40°C for MC33064 +85°C for MC33064
−40°C for NCV33064 +125°C for NCV33064
5. NCV prefix is for automotive and other applications requiring site and change control.
MC34064, MC33064, NCV33064
http://onsemi.com
3
V
O
, OUTPUT VOLTAGE (V)
V
O
, OUTPUT VOLTAGE (V)
Figure 2. Reset Output Voltage versus
Input Voltage
Figure 3. Reset Output Voltage versus
Input Voltage
Figure 4. Comparator Threshold Voltage
versus Temperature
Figure 5. Input Current versus Input Voltage
Figure 6. Reset
Output Saturation versus
Sink Current
Figure 7. Reset Delay Time
V
in
, INPUT VOLTAGE (V)
10
8.0
6.0
4.0
2.0
0
0 2.0 4.0 6.0 8.0 10
R
L
= 10 k to V
in
T
A
= 25°C
V
in
, INPUT VOLTAGE (V)
5.0
4.0
3.0
2.0
1.0
0
4.560 4.580 4.600 4.620 4.640
R
L
= 10 k to V
in
T
A
= 25°C
T
A
, AMBIENT TEMPERATURE (°C)
th
, THRESHOLD VOLTAGE (V)
4.630
4.620
4.610
4.600
4.590
4.580
4.570
−55 −25 0 25 50 75 100 125
V
R
L
= 10 k to V
in
Upper Threshold
High State Output
Lower Threshold
Low State Output
V
in
, INPUT VOLTAGE (V)
in
, INPUT CURRENT (mA)
1.0
0.8
0.6
0.4
0.2
0
0 2.0 4.0 6.0 8.0 10
I
T
A
= +25°C
−40°C
T
A
= +25°C
+85°C
−40°C
V
OL
, OUTPUT SATURATION (V)
I
Sink
, SINK CURRENT (mA)
2.0
1.5
1.0
0.5
0
010203040
V
in
= 4.0 V
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
90%
5.0 V −
4.0 V −
10%
+85°C
Reset
V
in
5.0V
4.0V
REF
10k
200 ns/DIV
Reset
V
in
V
in
= 5.0 V to 4.0 V
R
L
= 10 k
T
A
= 25°C
1234NEXT

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