MCP101-485I/TO [MICROCHIP]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3, TO-92, 3 PIN;
| 型号： | MCP101-485I/TO |
| 厂家： | 
MICROCHIP |
| 描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3, TO-92, 3 PIN |
| 文件： | 总16页 (文件大小：221K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MCP100/101
Microcontroller Supervisory Circuit with Push-Pull Output
FEATURES
PACKAGES
TO-92 with ‘D’ Bondout
• Holds microcontroller in reset until supply voltage
reaches stable operating level
• Resets microcontroller during power loss
• Precision monitoring of 3V, 3.3V and 5V systems
• 7 voltage trip points available
RST
or
RST
VSS
VDD
• Active low RESET pin (MCP100/101) or active
high RESET (DSTEMP)
• Push-pull output
TO-92 with ‘H’ Bondout
• Holds RESET/RESET for 350 ms (typical)
• RESET/RESET to VDD = 1.0V
• Accuracy of ±125 mV for 5V systems and ±75 mV
for 3V systems over temperature
VDD
VSS
• 45 µA typical operating current
• Temperature range:
RST
or
RST
- Industrial (I): -40°C to +85°C
DESCRIPTION
SOT-23-3
The Microchip Technology Inc. MCP100/101 is a volt-
age supervisory device designed to keep a microcon-
troller in reset until the system voltage has reached the
proper level and stabilized. It also operates as protec-
tion from brown-out conditions when the supply voltage
drops below a safe operating level. Both devices are
available with a choice of seven different trip voltages
and both have push-pull outputs. The MCP100/101 has
a low active RESET pin and the DSTEMP has a high
active RESET pin. The MCP100/101 will assert the
RESET/RESET signal whenever the voltage on the
VDD pin is below the trip-point voltage.
RST
or
RST
VDD
VSS
BLOCK DIAGRAM
VDD
Comparator
+
-
Delay
Circuit
Output
Driver
RESET
or
RESET
Bandgap
Reference
2001 Microchip Technology Inc.
DS11187E-page 1
MCP100/101
1.0
1.1
ELECTRICAL CHARACTERISTICS
*Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.
Maximum Ratings*
VDD........................................................................7.0V
All inputs and outputs w.r.t. VSS .....-0.6V to VDD +1.0V
Storage temperature ..........................-65°C to +150°C
Ambient temp. with power applied .....-65°C to +125°C
ESD protection on all pins ..................................... ≥ 2 kV
DC AND AC CHARACTERISTICS
All parameters apply at the specified VDD= 1.0 - 5.5V
temp and voltage ranges unless
otherwise noted.
Industrial (I):
-40°C to +85°C
Parameter
Symbol
Min. Typ. Max. Units
Test Conditions
Operating Voltage Range
VDD Value to RESET/RESET
Operating Current
VDD
1.0
1.0
—
—
—
45
5.5
—
V
V
VDD
MIN
IDD
60
µA
V
VDD = 5.5V (no load)
VDD Trip Point
MCP10X-270
VTRIP
2.55
2.85
3.0
4.25
4.35
4.50
4.60
2.625 2.7
2.925 3.0
3.075 3.15
4.375 4.50
4.475 4.60
4.625 4.75
4.725 4.85
MCP10X-300
MCP10X-315
MCP10X-450
MCP10X-460
MCP10X-475
MCP10X-485
RESET Low Level
Output Voltage
(MCP100)
MCP100-270
MCP100-300
MCP100-315
VOL
—
—
0.4
V
IOL = 3.2 mA,
VDD = VTRIP
MIN
MCP100-450
MCP100-460
MCP100-475
MCP100-485
—
—
0.6
IOL = 8.5 mA,
VDD = VTRIP
MIN
RESET High Level
Output Voltage
(MCP100)
MCP100-XXX
(All VTRIP Points)
VOH
VOL
VDD-0.7
—
—
—
—
—
V
V
IOH = 3 mA,
VDD > VTRIP
MAX
RESET Low Level
Output Voltage
(MCP101)
MCP101-270
MCP101-300
MCP101-315
0.4
0.6
IOL = 3.2 mA,
VDD > VTRIP
MAX
MCP101-450
MCP101-460
MCP101-475
MCP101-485
—
IOL = 8.5 mA,
VDD > VTRIP
MAX
RESET High level
Output Voltage
(MCP101)
MCP101-XXX
(All VTRIP Points)
VOH
VDD-0.7
—
—
V
IOH = 3 mA,
VDD = VTRIP
MIN
Threshold Hysteresis
VHYS
tRPU
—
50
—
mV
ms
VDD Detect to RESET/RESET
Inactive
150
350
700
VDD Detect to RESET/RESET
tRPD
—
10
—
µs
VDD ramped from
VTRIPMAX + 250 mV down to
VTRIPMIN - 250 mV
DS11187E-page 2
2001 Microchip Technology Inc.
MCP100/101
VTRIP
VDD
tRPU
tRPD
VOL
VOH
VOL
RESET
(MCP100)
RESET
(MCP101)
Figure 1-1: MCP100/101 Timing Diagram
2001 Microchip Technology Inc.
DS11187E-page 3
MCP100/101
2.0
2.1
APPLICATIONS INFORMATION
The Need for Supervisory Circuits
5V
For many of today’s microcontroller applications, care
must be taken to prevent low power conditions that
can cause many different system problems. The most
common causes are brown-out conditions where the
system supply drops below the operating level momen-
tarily, and the second, is when a slowly decaying power
supply causes the microcontroller to begin executing
instructions without enough voltage to sustain SRAM
and producing indeterminate results.
VTRIP
VTRIP
MAX
MIN
(VTRIPMIN - VDD)
Transient
Duration
0
TIME
0
VDD
VDD
Microcontroller
VDD
Bypass
Capacitor
10
8
MCP100
TA = +25°C
VSS
MCLR
or
RESET
RST
6
Transients above the
curve will cause a reset
4
VSS
2
Transients below
the curve will NOT
cause a reset
0
0
1
2
3
4
5
Figure 2-1: Typical Application
2.2 Negative Going VDD Transients
VTRIP - VDD (V)
Many system designers implementing POR circuits are
concerned about the minimum pulse width required
to cause a reset. Figure 2-2 shows typical transient
duration vs. reset comparator overdrive for which the
MCP100/101 will not generate a reset pulse. It shows
that the farther below the trip point the transient pulse
goes, the duration of the pulse required to cause a
reset gets shorter. A 0.1 µF bypass cap mounted as
close as possible to the VDD pin provides additional
transient immunity.
Figure 2-2: Typical Transient Response
DS11187E-page 4
2001 Microchip Technology Inc.
MCP100/101
2.3
Effect of Temperature on Timeout
Period (tRPU)
1.002
1.000
0.998
0.996
0.994
0.992
0.997
The timeout period (tRPU) determines how long the
device remains in the reset condition. This is controlled
by an internal RC timer and is effected by both VDD
and temperature. The graph shown in Figure 2-3
shows typical response for different VDD values and
temperatures.
700
600
VDD = 6V
-40 -20
0
20
40
60
80 100
500
TEMPERATURE (°C)
VDD = 5V
*Multiply value at 25°C by this
factor to determine the value at
temperature
400
300
VDD = 4V
Figure 2-5: Normalized VTRIP vs. Temperature
200
100
VDD = 3V
800
-40 -20
0
20
40
60
80 100
VDD = 2.5V
TEMPERATURE (°C)
700
VDD = 1.5V
VDD = 3.5V
600
Figure 2-3: Typical tRPU vs. Temperature
500
400
VDD = 4.5V
60
300
200
VDD = 5V
50
VDD = 5.5V
100
TA = +25°C
40
0
0
2
4
6
8
10 12 14 16 18 20
30
IOL (mA)
VDD = 3V
VDD = 4V
20
Figure 2-6: VOL vs. IOL
10
0
-40 -20
0
20
40
60
80 100
TEMPERATURE (°C)
Figure 2-4: IDD vs. Temperature
2001 Microchip Technology Inc.
DS11187E-page 5
MCP100/101
1.3
1.2
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
0.88
1.1
VDD = 4.5V
IOH = 8.5mA
1.00
0.9
VDD = 3V
IOH = 3.2mA
0.8
0.7
-40 -20
0
20
40
60
80 100
-40 -20
0
20
40
60
80 100
TEMPERATURE (°C)
TEMPERATURE (°C)
*Multiply value at 25°C by this
factor to determine the value at
temperature
*Multiply value at 25°C by this
factor to determine the value at
temperature
Figure 2-7: Normalized IOL vs. Temperature
Figure 2-9: Normalized VOH vs. Temperature
800
VDD = 2.5V
VDD = 3.5V
700
600
500
400
VDD = 5V
300
200
100
TA = +25°C
0
0
2
4
6
8
10
IOH (mA)
Figure 2-8: VDD - VOH vs. IOH
DS11187E-page 6
2001 Microchip Technology Inc.
MCP100/101
3.0
3.1
PACKAGING INFORMATION
Package Marking Information
3-Lead Plastic Transistor Outline (TO-92)
Example:
XXXXXX
XXXXXX
XXXXXX
YWWNNN
MCP100
XXXXXX
XXXXXX
YWWNNN
3-Lead Plastic Small Outline Transistor (SOT23)
Example:
XXNN
RKNN
SOT23 PARTS LABELING:
The table below identifies the first 2 characters (XX) in the 4-character field
(XXNN) for marking of the 3-Lead SOT23 package.
Mark
Part Number
Mark
Part Number
QJ
QK
QL
MCP100T-270I/TT
MCP100T-300I/TT
MCP100T-315I/TT
MCP100T-450I/TT
MCP100T-460I/TT
MCP100T-475I/TT
MCP100T-485I/TT
RJ
RK
RL
MCP101T-270I/TT
MCP101T-300I/TT
MCP101T-315I/TT
MCP101T-450I/TT
MCP101T-460I/TT
MCP101T-475I/TT
MCP101T-485I/TT
QM
QN
QO
QP
RM
RN
RO
RP
Legend: XX...X
Customer specific information*
YY
WW
NNN
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Note:
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line thus limiting the number of available characters
for customer specific information.
*
Standard OTP marking consists of Microchip part number, year code, week code, and traceability code.
For OTP marking beyond this, certain price adders apply. Please check with your Microchip Sales Office.
For QTP devices, any special marking adders are included in QTP price.
2001 Microchip Technology Inc.
DS11187E-page 7
MCP100/101
3.2
Package Detail Information
3-Lead Plastic Transistor Outline (TO) (TO-92)
E1
D
n
1
L
1
2
3
α
B
p
c
A
R
β
Units
INCHES*
NOM
MILLIMETERS
Dimension Limits
MIN
MAX
MIN
NOM
3
MAX
n
p
Number of Pins
3
Pitch
.050
.143
.186
.183
.090
.555
.017
.019
5
1.27
Bottom to Package Flat
Overall Width
A
E1
D
R
L
.130
.155
3.30
4.45
3.62
4.71
4.64
2.29
14.10
0.43
0.48
5
3.94
.175
.170
.085
.500
.014
.016
4
.195
.195
.095
.610
.020
.022
6
4.95
4.95
2.41
15.49
0.51
0.56
6
Overall Length
4.32
2.16
12.70
0.36
0.41
4
Molded Package Radius
Tip to Seating Plane
Lead Thickness
Lead Width
c
B
α
Mold Draft Angle Top
Mold Draft Angle Bottom
β
2
3
4
2
3
4
*Controlling Parameter
Notes:
Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed
.010” (0.254mm) per side.
JEDEC Equivalent: TO-92
Drawing No. C04-101
DS11187E-page 8
2001 Microchip Technology Inc.
MCP100/101
3-Lead Plastic Small Outline Transistor (TT) (SOT23)
E
E1
2
B
p1
D
n
p
1
α
c
A
A2
A1
φ
β
L
Units
INCHES*
NOM
MILLIMETERS
Dimension Limits
MIN
MAX
MIN
NOM
MAX
n
p
Number of Pins
3
3
Pitch
.038
.076
.040
.037
.002
.093
.051
.115
.018
5
0.96
1.92
1.01
0.95
0.06
2.37
1.30
2.92
0.45
5
p1
Outside lead pitch (basic)
Overall Height
A
A2
A1
E
.035
.044
0.89
1.12
Molded Package Thickness
.035
.000
.083
.047
.110
.014
0
.040
.004
.104
.055
.120
.022
10
0.88
0.01
2.10
1.20
2.80
0.35
0
1.02
0.10
2.64
1.40
3.04
0.55
10
Standoff
§
Overall Width
Molded Package Width
Overall Length
E1
D
Foot Length
L
φ
Foot Angle
c
Lead Thickness
Lead Width
.004
.015
0
.006
.017
5
.007
.020
10
0.09
0.37
0
0.14
0.44
5
0.18
0.51
10
B
α
β
Mold Draft Angle Top
Mold Draft Angle Bottom
0
5
10
0
5
10
* Controlling Parameter
§ Significant Characteristic
Notes:
Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed
.010” (0.254mm) per side.
JEDEC Equivalent: TO-236
Drawing No. C04-104
2001 Microchip Technology Inc.
DS11187E-page 9
MCP100/101
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The file transfer site is available by using an FTP ser-
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DS11187E-page 10
2001 Microchip Technology Inc.
MCP100/101
READER RESPONSE
It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip prod-
uct. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our documentation
can better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-7578.
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Application (optional):
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Literature Number:
DS11187E
Device:
MCP100/101
Questions:
1. What are the best features of this document?
2. How does this document meet your hardware and software development needs?
3. Do you find the organization of this data sheet easy to follow? If not, why?
4. What additions to the data sheet do you think would enhance the structure and subject?
5. What deletions from the data sheet could be made without affecting the overall usefulness?
6. Is there any incorrect or misleading information (what and where)?
7. How would you improve this document?
8. How would you improve our software, systems, and silicon products?
2001 Microchip Technology Inc.
DS11187E-page 11
MCP100/101
NOTES:
DS11187E-page 12
2001 Microchip Technology Inc.
MCP100/101
NOTES:
2001 Microchip Technology Inc.
DS11187E-page 13
MCP100/101
PRODUCT IDENTIFICATION SYSTEM
To order or to obtain information (e.g., on pricing or delivery), please refer to the factory or the listed sales offices.
PART NO.
Device
X
X
X
/XX
Examples:
RESET/
Bondout Temperature
Option Range
Package
a)
b)
c)
d)
MCP100/101–270DI/TO = Vtrip range of
2.55V - 2.70V, Bonding Option D, Industrial
Temp., TO-92 package
MCP100/101T–450I/TT
4.25V - 4.50V, Industrial Temp., SOT-23
package
DSTEMP–270HI/TO = Vtrip range of 2.55V -
2.70V, Bonding Option H, Industrial Temp.,
TO-92 package
RESET
VTRIP
Voltage
= Vtrip range of
Device:
MCP100/101:Supervisor circuit with active low RESET
output
MCP100/101T:Supervisor circuit with active low RESET
output (tape & reel)
DSTEMP:
Supervisor circuit with active high RESET
output
DSTEMPT–315I/TT = Vtrip range of 3.00V -
3.15V, Industrial Temp., SOT-23 package
DSTEMPT: Supervisor circuit with active high RESET
output (tape & reel)
TO-92 with
TO-92 with
RESET/RESET VTRIP 270
=
=
=
=
=
=
=
2.55 ≤ VTRIP ≤ 2.70
2.85 ≤ VTRIP ≤ 3.00
3.00 ≤ VTRIP ≤ 3.15
4.25 ≤ VTRIP ≤ 4.50
4.35 ≤ VTRIP ≤ 4.60
4.50 ≤ VTRIP ≤ 4.75
4.60 ≤ VTRIP ≤ 4.85
‘H’ Bondout
‘D’ Bondout
Voltage:
300
315
450
460
475
485
RST
VDD
or
VSS
VSS
RST
VDD
RST
or
RST
Bondout Option:
(TO-92 Only)
D
H
=
=
D Bond Option (see bond option chart)
H Bond Option
SOT-23-3
Temperature Range:
Package:
I
=
-40°C to +85°C (only offered in I)
RST
or
TO
TT
=
=
TO-92 (3-lead) [offered in bags only]
SOT-23 (3-lead) [offered in tape & reel only]
RST
VSS
VDD
Sales and Support
Data Sheets
Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom-
mended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following:
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Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
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DS11187E-page 14
2001 Microchip Technology Inc.
MCP100/101
“All rights reserved. Copyright © 2001, Microchip
Technology Incorporated, USA. Information contained
in this publication regarding device applications and the
like is intended through suggestion only and may be
superseded by updates. No representation or warranty
is given and no liability is assumed by Microchip
Technology Incorporated with respect to the accuracy
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other intellectual property rights arising from such use
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licenses are conveyed, implicitly or otherwise, under
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rights reserved. All other trademarks mentioned herein
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licenses are conveyed, implicitly or otherwise, under
any intellectual property rights.”
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The Microchip name, logo, PIC, PICmicro,
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SEEVAL, MPLAB and The Embedded Control
Solutions Company are registered trademarks of
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SelectMode and microPort are trademarks of
Microchip Technology Incorporated in the U.S.A.
Serialized Quick Term Programming (SQTP) is a
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the U.S.A.
All other trademarks mentioned herein are property of
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© 2001, Microchip Technology Incorporated, Printed in
the U.S.A., All Rights Reserved.
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2001 Microchip Technology Inc.
DS11187E-page 15
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Westford, MA 01886
Tel: 978-692-3848 Fax: 978-692-3821
Australia
Tel: 61-2-9868-6733 Fax: 61-2-9868-6755
China - Beijing
EUROPE
Denmark
Microchip Technology Denmark ApS
Regus Business Centre
Lautrup hoj 1-3
Ballerup DK-2750 Denmark
Tel: 45 4420 9895 Fax: 45 4420 9910
Microchip Technology Beijing Office
Unit 915
New China Hong Kong Manhattan Bldg.
No. 6 Chaoyangmen Beidajie
Beijing, 100027, No. China
Tel: 86-10-85282100 Fax: 86-10-85282104
Boston
Analog Product Sales
Unit A-8-1 Millbrook Tarry Condominium
97 Lowell Road
Concord, MA 01742
Tel: 978-371-6400 Fax: 978-371-0050
Chicago
333 Pierce Road, Suite 180
Itasca, IL 60143
Tel: 630-285-0071 Fax: 630-285-0075
France
China - Shanghai
Microchip Technology Shanghai Office
Room 701, Bldg. B
Far East International Plaza
No. 317 Xian Xia Road
Shanghai, 200051
Arizona Microchip Technology SARL
Parc d’Activite du Moulin de Massy
43 Rue du Saule Trapu
Batiment A - ler Etage
91300 Massy, France
Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79
Germany
Arizona Microchip Technology GmbH
Gustav-Heinemann Ring 125
D-81739 Munich, Germany
Tel: 86-21-6275-5700 Fax: 86-21-6275-5060
Dallas
Hong Kong
Microchip Asia Pacific
RM 2101, Tower 2, Metroplaza
223 Hing Fong Road
Kwai Fong, N.T., Hong Kong
Tel: 852-2401-1200 Fax: 852-2401-3431
4570 Westgrove Drive, Suite 160
Addison, TX 75001
Tel: 972-818-7423 Fax: 972-818-2924
Dayton
Two Prestige Place, Suite 130
Miamisburg, OH 45342
Tel: 937-291-1654 Fax: 937-291-9175
Tel: 49-89-627-144 0 Fax: 49-89-627-144-44
Germany
Analog Product Sales
Lochhamer Strasse 13
D-82152 Martinsried, Germany
Tel: 49-89-895650-0 Fax: 49-89-895650-22
India
Microchip Technology Inc.
India Liaison Office
Detroit
Tri-Atria Office Building
32255 Northwestern Highway, Suite 190
Farmington Hills, MI 48334
Tel: 248-538-2250 Fax: 248-538-2260
Divyasree Chambers
Italy
1 Floor, Wing A (A3/A4)
No. 11, O’Shaugnessey Road
Bangalore, 560 025, India
Tel: 91-80-2290061 Fax: 91-80-2290062
Arizona Microchip Technology SRL
Centro Direzionale Colleoni
Palazzo Taurus 1 V. Le Colleoni 1
20041 Agrate Brianza
Los Angeles
18201 Von Karman, Suite 1090
Irvine, CA 92612
Japan
Milan, Italy
Tel: 39-039-65791-1 Fax: 39-039-6899883
Microchip Technology Intl. Inc.
Benex S-1 6F
Tel: 949-263-1888 Fax: 949-263-1338
United Kingdom
Arizona Microchip Technology Ltd.
505 Eskdale Road
Winnersh Triangle
Wokingham
Mountain View
Analog Product Sales
1300 Terra Bella Avenue
Mountain View, CA 94043-1836
Tel: 650-968-9241 Fax: 650-967-1590
3-18-20, Shinyokohama
Kohoku-Ku, Yokohama-shi
Kanagawa, 222-0033, Japan
Tel: 81-45-471- 6166 Fax: 81-45-471-6122
Berkshire, England RG41 5TU
Tel: 44 118 921 5869 Fax: 44-118 921-5820
01/30/01
All rights reserved. © 2001 Microchip Technology Incorporated. Printed in the USA. 2/01
Printed on recycled paper.
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by
updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual
property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with
express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, except as maybe explicitly expressed herein, under any intellec-
tual property rights. The Microchip logo and name are registered trademarks of Microchip Technology Inc. in the U.S.A. and other countries. All rights
reserved. All other trademarks mentioned herein are the property of their respective companies.
DS11187E-page 16
2001 Microchip Technology Inc.
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