CAT863MTBI-GT3 [ONSEMI]
3-Pin Microprocessor Power Supply Supervisors; 3引脚微处理器电源监控
| 型号： | CAT863MTBI-GT3 |
| 厂家： | 
ONSEMI |
| 描述： | 3-Pin Microprocessor Power Supply Supervisors |
| 文件： | 总9页 (文件大小：117K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CAT853, CAT859, CAT863,
CAT869
3-Pin Microprocessor
Power Supply Supervisors
Description
The CAT853, CAT863, CAT859, and CAT869 are supervisory
circuits that monitor power supplies in digital systems.
These devices generate a reset signal, which is asserted while the
power supply voltage is below a preset threshold level and for at least
140 ms after the power supply level has risen above that level.
Industry standard threshold levels are offered to support +3.3 V or
5.0 V systems.
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SOT−23
TB SUFFIX
CASE 527AG
The CAT859 and CAT869 feature a RESET push−pull output
(active low) for the two pinout options.
The CAT853 and CAT863 feature an open drain RESET output
(active low). Both require a pull−up resistor on the RESET output.
Fast transients on the power supply are ignored and the output is
PIN CONFIGURATION
CAT853, CAT859
guaranteed to be in the correct state at V levels as low as 1.0 V.
1
CC
RESET
Features
3
• Precision Monitoring of +3.3 V (−5%, −10%),
5 V (−10% Power Supplies)
• Active Low Reset Output
V
CC
2
GND
• Reset Valid down to V = 1.0 V
CC
• 6 mA Power Supply Current
CAT863, CAT869
1
• Power Supply Transient Immunity
• Industrial Temperature Range: −40°C to +85°C
• SOT−23 Package
RESET
3
GND
2
• These Devices are Pb−Free and are RoHS Compliant
Applications
V
CC
• Computers, Servers, Laptops and Cable Modems
• Wireless Communications
• Embedded Control Systems
• White Goods
(Top Views)
MARKING DIAGRAM
• Power Meters
XXXMG
• Intelligent Instruments
• PDAs and Handheld Equipment
G
Table 1. THRESHOLD SUFFIX SELECTOR
XXX
M
= Specific Device Code
= Date Code
Nominal Threshold Voltage
Threshold Suffix Designation
G
= Pb−Free Package
4.63 V
4.38 V
4.20 V
4.00 V
3.08 V
2.93 V
2.63 V
2.40 V
2.32 V
L
M
F
J
(*Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
T
S
R
C
Z
© Semiconductor Components Industries, LLC, 2012
1
Publication Order Number:
May, 2012 − Rev. 10
CAT853/D
CAT853, CAT859, CAT863, CAT869
Table 2. PIN DESCRIPTION
Pin Name
Function
RESET
Active low reset. RESET is asserted if V falls below the reset threshold and remains low for at least 140 ms after
CC
CC
V
rises above the reset threshold
GND
Ground
V
CC
Power supply voltage that is monitored
V
CC
V
CC
+
–
V
CC
TOLERANCE
BIAS
RESET
DIGITAL
DELAY
VOLTAGE
REFERENCE
CAT853
CAT863
GND
V
CC
V
CC
+
–
TOLERANCE
BIAS
V
CC
DIGITAL
DELAY
RESET
VOLTAGE
REFERENCE
CAT859
CAT869
GND
Figure 1. Block Diagrams
Table 3. ABSOLUTE MAXIMUM RATINGS
Parameters
Ratings
Units
V
Any pin with respect to ground
Input Current, V
−0.3 to +6.0
20
20
mA
CC
Output Current, RESET
Rate of Rise, V
mA
100
320
V/ms
mW
CC
Continuous Power Dissipation
Derate 4 mW/°C above 70°C (SOT23)
Operating Temperature Range
Storage Temperature Range
−40 to +85
−65 to +105
300
°C
°C
°C
Lead Soldering Temperature (10 sec)
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.
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2
CAT853, CAT859, CAT863, CAT869
Table 4. ELECTRICAL CHARACTERISTICS (V = Full range, T = −40°C to +85°C unless otherwise noted.
CC
A
Typical values at T = +25°C and V = 3.3 V for the C, S, T versions, V = 5 V for the M version.)
A
CC
CC
Typ
(Note 1)
Symbol
Parameter
Conditions
T = 0°C to +70°C
Min
1.0
1.2
Max
5.5
Units
V
CC
Range
V
A
T = −40°C to +85°C
A
5.5
I
Supply Current
T = −40°C to +85°C
A
V < 3.6 V, C, S, T
CC
6
15
mA
CC
V
TH
Reset Threshold
Voltage
L Threshold
M Threshold
F Threshold
J Threshold
T Threshold
S Threshold
R Threshold
C Threshold
Z Threshold
T = +25°C
4.56
4.50
4.31
4.25
4.14
4.08
3.93
3.89
3.04
3.00
2.89
2.85
2.59
2.55
2.35
2.30
2.28
2.25
4.63
4.70
4.75
4.45
4.50
4.26
4.31
4.06
4.10
3.11
3.15
2.96
3.00
2.66
2.70
2.45
2.50
2.35
2.38
V
A
T = −40°C to +85°C
A
T = +25°C
A
4.38
4.20
4.00
3.08
2.93
2.63
2.40
2.32
30
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
T = +25°C
A
T = −40°C to +85°C
A
Reset Threshold
Tempco
ppm/°C
V
CC
to Reset Delay
V
CC
= V to (V − 100 mV)
20
ms
TH
TH
Reset Active
Timeout Period
T = −40°C to +85°C
A
140
240
460
ms
V
RESET Output
Voltage Low
V
= V min, I = 1.2 mA
SINK
0.4
0.3
V
V
OL
CC
TH
V
> 1.0 V, I
= 50 mA
CC
SINK
V
OH
RESET Output
Voltage High
V
= V max, I
= −500 mA
0.8 V
CC
CC
TH
SOURCE
(for CAT859/869 only)
1. Production testing done at T = +25°C; limits over temperature guaranteed by design only.
A
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3
CAT853, CAT859, CAT863, CAT869
TYPICAL ELECTRICAL OPERATING CHARACTERISTICS
(V = Full range, T = −40°C to +85°C unless otherwise noted. Typical values at T = +25°C and V = 3.3 V
CC
A
A
CC
for the C, S, T versions, V = 5 V for the M version.)
CC
260
240
220
200
12
10
8
V
CC
= 5.5 V
V
CC
= 5 V
V
V
CC
= 3.6 V
= 2.5 V
6
4
CC
180
160
2
0
−50
0
50
100
150
−50
0
50
TEMPERATURE (°C)
100
150
TEMPERATURE (°C)
Figure 2. Power−Up Reset Timeout vs.
Figure 3. Supply Current vs. Temperature
(No Load)
Temperature
14
12
10
8
1.0002
1.0000
0.9998
0.9996
0.9994
0.9992
6
4
0.9990
0.9988
2
0
−50
0
50
100
150
0
20
40
60
80
100
120
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 4. Power−Down Reset Delay vs.
Figure 5. Normalized Reset Threshold vs.
Temperature
Temperature
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4
CAT853, CAT859, CAT863, CAT869
DETAILED DESCRIPTION
Reset Timing
The reset signal is asserted low for the CAT853, CAT863, CAT859, and CAT869 when the power supply voltage falls below
the threshold trip voltage and remains asserted for at least 140 ms after the power supply voltage has risen above the threshold.
Threshold
Voltage
Power
Supply
5 V
Voltage 0 V
Reset Timeout Period
140 ms
minimum
5 V
RESET
0 V
Figure 6. Reset Timing Diagram
VCC Transient Response
Valid Reset with VCC under 1.0 V
The CAT853, CAT863, CAT859, and CAT869 protect mPs
against brownout failure. Short duration transients of 4 ms or
less and 100 mV amplitude typically do not cause a false
RESET.
To ensure that the CAT859 and CAT869 RESET pin is in
a known state when V
is under 1.0 V, a > 10 kW
CC
pull−down resistor between RESET pin and GND is
recommended.
Figure 7 shows the maximum pulse duration of
Power
Supply
negative−going V transients that do not cause a reset
CC
condition. As the amplitude of the transient goes further
below the threshold (increasing V − V ), the maximum
TH
CC
V
CC
pulse duration decreases. In this test, the V starts from an
CC
initial voltage of 0.5 V above the threshold and drops below
it by the amplitude of the overdrive voltage (V − V ).
TH
CC
CAT8x9
30
25
20
15
10
T
= 25°C
AMB
RESET
10 kW
GND
“C” THRESHOLD
Figure 8. RESET Valid with VCC Under 1.0 V
“M” THRESHOLD
5
0
1
10
100
1000
RESET OVERDRIVE V − V (mV)
TH
CC
Figure 7. Maximum Transient Duration Without
Causing a Reset Pulse vs. Reset Comparator
Overdrive
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5
CAT853, CAT859, CAT863, CAT869
Bi−directional Reset Pin Interfacing
The CAT859 and CAT869 can interface with mP/mC bi−directional reset pins by connecting a 4.7 kW resistor in series with
the CAT859 and CAT869 reset output and the mP/mC bi−directional reset pin.
BUF
Buffered
RESET
Power
Supply
V
CC
V
CC
CAT8x9
mP
4.7 kW
(For example:
68HC11)
RESET
INPUT
RESET
GND
GND
Bi−directional
I/O Pin
Figure 9. Bi−directional Reset Pin Interfacing
CAT853 and CAT863 Open−Drain RESET Application
The CAT853 and CAT863 features an open−drain RESET
output and therefore need a pull−up resistor on the output for
proper operation, as shown on Figure 10. An advantage of
the open−drain output includes the ability to “wire AND”
several outputs together to form an inexpensive logic circuit.
It is also possible to have the pull−up resistor connected to
a different supply which can be higher than the CAT8x3 V
CC
pin. The value of the pull−up resistor is not critical in most
applications, typical values being between 5 kW and 10 kW.
Power
Supply
V
CC
5 kW
V
CC
CAT8x3
mP
RESET
INPUT
RESET
GND
GND
Figure 10. Typical CAT8x3 Open−Drain Circuit Configuration
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6
CAT853, CAT859, CAT863, CAT869
PACKAGE DIMENSIONS
SOT−23, 3 Lead
CASE 527AG−01
ISSUE O
SYMBOL
MIN
NOM
MAX
D
A
A1
b
0.89
0.013
0.37
1.12
0.10
0.50
0.18
3.04
2.64
1.40
3
c
0.085
2.80
D
E1
E
E
2.10
E1
e
1.20
0.95 BSC
1.90 BSC
0.40 REF
1
2
e1
L
e
e1
L1
0.54 REF
0º
8º
θ
TOP VIEW
A
q
b
L1
L
c
A1
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC TO-236.
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7
CAT853, CAT859, CAT863, CAT869
ORDERING INFORMATION
Order Number
Quantity
per Reel
(Note 3)
Top Mark (Note 2)
NiPdAu
Matte−Tin
NiPdAu
VPA
VPA
VPA
VPA
VPA
VPA
VPA
VPA
VPA
Matte−Tin
VPR
Voltage
4.63 V
4.38 V
4.20 V
4.00 V
3.08 V
2.93 V
2.63 V
2.40 V
2.32 V
Reset
Package
CAT853LTBI−GT3
CAT853MTBI−GT3
CAT853FTBI−GT3
CAT853JTBI−GT3
CAT853TTBI−GT3
CAT853STBI−GT3
CAT853RTBI−GT3
CAT853CTBI−GT3
CAT853ZTBI−GT3
CAT853LTBI−T3
CAT853MTBI−T3
CAT853FTBI−T3
CAT853JTBI−T3
CAT853TTBI−T3
CAT853STBI−T3
CAT853RTBI−T3
CAT853CTBI−T3
CAT853ZTBI−T3
VPR
VPR
VPR
VPR
LOW
SOT−23−3
3,000
VPR
VPR
VPR
VPR
CAT859LTBI−GT3
CAT859MTBI−GT3
CAT859FTBI−GT3
CAT859JTBI−GT3
CAT859TTBI−GT3
CAT859STBI−GT3
CAT859RTBI−GT3
CAT859CTBI−GT3
CAT859ZTBI−GT3
CAT859LTBI−T3
CAT859MTBI−T3
CAT859FTBI−T3
CAT859JTBI−T3
CAT859TTBI−T3
CAT859STBI−T3
CAT859RTBI−T3
CAT859CTBI−T3
CAT859ZTBI−T3
4.63 V
4.38 V
4.20 V
4.00 V
3.08 V
2.93 V
2.63 V
2.40 V
2.32 V
VNA
VNA
VNA
VNA
VNA
VNA
VNA
VNA
VNA
VNR
VNR
VNR
VNR
VNR
VNR
VNR
VNR
VNR
LOW
SOT−23−3
3,000
CAT863LTBI−GT3
CAT863MTBI−GT3
CAT863FTBI−GT3
CAT863JTBI−GT3
CAT863TTBI−GT3
CAT863STBI−GT3
CAT863RTBI−GT3
CAT863CTBI−GT3
CAT863ZTBI−GT3
CAT863LTBI−T3
CAT863MTBI−T3
CAT863FTBI−T3
CAT863JTBI−T3
CAT863TTBI−T3
CAT863STBI−T3
CAT863RTBI−T3
CAT863CTBI−T3
CAT863ZTBI−T3
4.63 V
4.38 V
4.20 V
4.00 V
3.08 V
2.93 V
2.63 V
2.40 V
2.32 V
VNB
VNB
VNB
VNB
VNB
VNB
VNB
VNB
VNB
VNK
VNK
VNK
VNK
VNK
VNK
VNK
VNK
VNK
LOW
SOT−23−3
3,000
CAT869LTBI−GT3
CAT869MTBI−GT3
CAT869FTBI−GT3
CAT869JTBI−GT3
CAT869TTBI−GT3
CAT869STBI−GT3
CAT869RTBI−GT3
CAT869CTBI−GT3
CAT869ZTBI−GT3
CAT869LTBI−T3
CAT869MTBI−T3
CAT869FTBI−T3
CAT869JTBI−T3
CAT869TTBI−T3
CAT869STBI−T3
CAT869RTBI−T3
CAT869CTBI−T3
CAT869ZTBI−T3
4.63 V
4.38 V
4.20 V
4.00 V
3.08 V
2.93 V
2.63 V
2.40 V
2.32 V
VNC
VNC
VNC
VNC
VNC
VNC
VNC
VNC
VNC
VNJ
VNJ
VNJ
VNJ
VNJ
VNJ
VNJ
VNJ
VNJ
LOW
SOT−23−3
3,000
2. Threshold and full part numbers will be provided on box and reel labels as well as all Shipping documents.
3. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
4. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconductor Device
Nomenclature document, TND310/D, available at www.onsemi.com
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8
CAT853, CAT859, CAT863, CAT869
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
N. American Technical Support: 800−282−9855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81−3−5817−1050
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada
Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada
Email: orderlit@onsemi.com
For additional information, please contact your local
Sales Representative
CAT853/D
相关型号：
CAT863STBI-GT10
Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, ROHS COMPLIANT, TO-236, SOT-23, 3 PIN
CATALYST
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