TC54VC1502ECB [MICROCHIP]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, EIAJ, SC-59, SOT-23A, 3 PIN;
| 型号： | TC54VC1502ECB |
| 厂家： | 
MICROCHIP |
| 描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, EIAJ, SC-59, SOT-23A, 3 PIN 光电二极管 |
| 文件： | 总12页 (文件大小：482K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC54
M
Voltage Detector
Features
General Description
• Precise Detection Thresholds: Standard ±2.0%,
Custom ±1.0%
The TC54 Series are CMOS voltage detectors, suited
especially for battery-powered applications because of
their extremely low 1µA operating current and small
surface-mount packaging. Each part is laser trimmed to
the desired threshold voltage which can be specified
from 1.1V to 6.0V and 7.7V, for a 2% and 1.5V to 6.0V
for a 1% tolerance.
• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
5-Pin SOT-23A (7.7V only)
• Low Current Drain: Typ. 1µA
• Wide Detection Range: 1.1V to 6.0V and 7.7V
• Wide Operating Voltage Range: 0.7V to 10V
The device includes a comparator, low-current high-
precision reference, laser-trimmed divider, hysteresis
circuit and output driver. The TC54 is available with
either an open-drain or complementary output stage.
Applications
• Battery Voltage Monitoring
• Microprocessor Reset
In operation, the TC54's output (VOUT) remains in the
logic HIGH state as long as VIN is greater than the
specified threshold voltage (VDET-). When VIN falls
below VDET - the output is driven to a logic LOW. VOUT
remains LOW until VIN rises above VDET - by an
amount VHYST, whereupon it resets to a logic HIGH.
• System Brown-out Protection
• Switching Circuit in Battery Backup
• Level Discriminator
Device Selection Table
Functional Block Diagram
Part Number
Package
Temp. Range
TC54-xxxxxxxxxxx 3-Pin SOT-23A -40°C to +85°C
TC54-xxxxxxxxxxx 3-Pin SOT-89 -40°C to +85°C
TC54-xxxxxxxxxxx 5-Pin SOT-23A -40°C to +85°C
2
TC54VC only
V
IN
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
V
OUT
1
–
+
Package Type
3-Pin SOT-23A
3-Pin SOT-89
V
V
IN
REF
V
SS
3
2
TC54VN has open-drain output.
TC54VC has complementary output.
TC54
3
1
1
2
3
V
V
SS
OUT
V
V
IN
V
OUT
SS
5-Pin SOT-23A
NC
NC
4
5
TC54
2
1
3
V
V
V
SS
OUT
IN
NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59.
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
2002 Microchip Technology Inc.
DS21434B-page 1
TC54
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage ........................................................+12V
Output Current ....................................................50mA
Output Voltage: CMOS.....(VSS – 0.3V) to (VIN + 0.3V)
Open Drain..........(VSS – 0.3V) to 12V
Power Dissipation (TA ≤ 70°C):
3-Pin SOT-23A ...........................................240mW
3-Pin SOT-89 .............................................400mW
5-Pin SOT-23A ...........................................240mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-65°C to +150°C
TC54 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: T = 25°C, unless otherwise specified.
A
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
I
Operating Voltage
Quiescent Current
0.7
—
10.0
V
(V
V
-) = 0.8 to 6.0V
DET
IN
—
—
—
—
1.0
1.3
1.6
2.0
3.0
3.4
3.8
4.2
µA
= 2.1V
SS
IN
V
V
V
= 3.0V
= 4.0V
= 5.0V
IN
IN
IN
V
-
Threshold Voltage
Hysteresis Voltage
Output Current
V
V
- x 0.98
- x 0.02
—
V
V
- x 1.02
- x 0.08
V
V
DET
DET
DET
DET
DET
V
V
- x 0.05
HYST
OUT
DET
I
—
—
—
—
7.7
—
—
—
—
mA
V
= 0.5V, V = 2.1V
OL IN
10.1
11.5
13.0
V
V
V
= 3.0V
= 4.0V
= 5.0V
IN
IN
IN
TC54VC Only;
V = V – 2.1V, V = 8.0V
OH
—
—
-10.0
±100
—
—
IN
IN
T
(V
-) Tempco of (V
-)
ppm/°C -40°C ≤ T ≤ 85°C
A
C
DET
DET
DS21434B-page 2
2002 Microchip Technology Inc.
TC54
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin No.
(3-Pin SOT-23A)
(3-Pin SOT-89)
Symbol
Description
1
V
Digital output. This output goes low when V drops below V
- and returns high when V
OUT
IN
DET IN
rises above V
- + V
. (See Figure 3-1, Timing Diagram.)
HYST
DET
2
3
V
Analog input. This pin is both the power supply input and the voltage to be monitored.
Ground terminal.
IN
V
SS
Pin No.
(5-Pin SOT-23A)
Symbol
Description
1
V
Digital output. This output goes low when V drops below V
- and returns high when V
OUT
IN
DET IN
rises above V
- + V
. (See Figure 3-1, Timing Diagram.)
DET
HYST
2
3
4
5
V
Analog input. This pin is both the power supply input and the voltage to be monitored.
IN
V
Ground terminal.
Not connected.
Not connected.
SS
NC
NC
2002 Microchip Technology Inc.
DS21434B-page 3
TC54
The output, VOUT, will stay valid until the input voltage
falls below the minimum operating voltage, VINMIN, of
0.7V. Below this minimum operating voltage, the output
is undefined. During power-up or anytime VIN has fallen
below VINMIN, VOUT will remain undefined until VIN rises
above VINMIN, at which time the output will become
3.0
DETAILED DESCRIPTION
In normal steady-state operation, when VIN > VDET -,
the output will be at a logic high, see Figure 3-1. In the
case of the TC54V, this is an open-drain condition. If
and when the input falls below VDET -, the output will
pull down (Logic 0) to VSS. Generally, VOUT can pull
down to within 0.5V of VSS at rated output current and
valid. VOUT will be in its active low state while VINMIN
<
VIN < VDET+. (VDET+ = VDET - + VHYST). If and when
the input rises above VDET+, the output will assume its
inactive state. (High for TC54VC, open-drain for
TC54VN).
input
Characteristics).
voltage.
(See
Section 1.0,
Electrical
FIGURE 3-1:
TIMING DIAGRAM
V
+
V
DET
IN
Release Voltage
or RESET Voltage
V
HYST
Detect Voltage V
DET
Minimum Operating
Voltage
Ground Level
V
OUT
Output Voltage
Ground Level
4.0
APPLICATIONS INFORMATION
Refer to Microchip Technology Application Note #779,
Using the TC54 Voltage Detector.
DS21434B-page 4
2002 Microchip Technology Inc.
TC54
5.0
5.1
PACKAGING INFORMATION
Package Marking Information
3
1
1
represents output configuration (CMOS or Nch)
and first integer of voltage
represents output configuration and first integer
of voltage
D
Ex: CMOS 3.x =
Symbol
Output
Voltage
T
Nch
7.
Symbol
Output
Voltage
B
C
D
E
F
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
1.
2.
3.
4.
5.
6.
2
represents first decimal of output voltage
Symbol
Voltage
0
1
2
3
4
5
6
7
8
9
.0
.1
.2
.3
.4
.5
.6
.7
.8
.9
H
Symbol
Output
Voltage
L
M
N
P
R
S
T
Nch
Nch
Nch
Nch
Nch
Nch
Nch
1.
2.
3.
4.
5.
6.
7.
3
4
represents assembly lot code
&
2 represents first decimal of output voltage (0-9)
D
4
Ex: CMOS 3.x =
3
4
represents assembly lot code
&
2002 Microchip Technology Inc.
DS21434B-page 5
TC54
5.2
Taping Form
Component Taping Orientation for 3-Pin SOT-23A (EIAJ SC-59) Devices
User Direction of Feed
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
for TR Suffix Device
(Mark Right Side Up)
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
3-Pin SOT-23A
8 mm
4 mm
3000
7 in
Component Taping Orientation for 3-Pin SOT-89 Devices
User Direction of Feed
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
for TR Suffix Device
(Mark Right Side Up)
Carrier Tape, Reel Size, and Number of Components Per Reel
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
3-Pin SOT-89
12 mm
8 mm
1000
7 in
DS21434B-page 6
2002 Microchip Technology Inc.
TC54
5.2
Taping Form (Continued)
Component Taping Orientation for 5-Pin SOT-23A (EIAJ SC-74A) Devices
User Direction of Feed
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
TR Suffix Device
(Mark Right Side Up)
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
5-Pin SOT-23A
8 mm
4 mm
3000
7 in
5.3
Package Dimensions
SOT-23A-3
.020 (0.50)
.012 (0.30)
.071 (1.80)
.055 (1.40)
.118 (3.00)
.098 (2.50)
PIN 1
.075 (1.90)
REF.
.122 (3.10)
.106 (2.70)
.051 (1.30)
.035 (0.90)
.010 (0.25)
.004 (0.09)
10° MAX.
.006 (0.15)
.000 (0.00)
.022 (0.55)
.014 (0.35)
Dimensions: inches (mm)
2002 Microchip Technology Inc.
DS21434B-page 7
TC54
5.3
Package Dimensions (Continued)
SOT-89-3
.181 (4.60)
.173 (4.39)
.063 (1.60)
.055 (1.40)
.071 (1.80)
.063 (1.60)
.102 (2.59)
.090 (2.29)
.167 (4.24)
.019 (0.48)
.014 (0.36)
PIN 1
.031 (0.79) MIN.
.022 (0.56)
.016 (0.41)
.017 (0.43)
.014 (0.36)
.063 (1.60)
.055 (1.40)
.019 (0.48)
.014 (0.36)
Dimensions: inches (mm)
SOT-23A-5
.075 (1.90)
REF.
.071 (1.80)
.059 (1.50)
.122 (3.10)
.098 (2.50)
.020 (0.50)
.012 (0.30)
PIN 1
.037 (0.95)
REF.
.122 (3.10)
.106 (2.70)
.057 (1.45)
.035 (0.90)
.010 (0.25)
.004 (0.09)
10° MAX.
.006 (0.15)
.000 (0.00)
.024 (0.60)
.004 (0.10)
Dimensions: inches (mm)
DS21434B-page 8
2002 Microchip Technology Inc.
TC54
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office
PART CODE
TC54V
X
XX
X
X
X
XX XXX
Output Configuration:
N = Nch Open Drain
C = CMOS Output
Detected Voltage:
Ex: 15 = 1.5V; 60 = 6.0V
Ex: 11 = 1.1V; 60 = 6.0V
Extra Feature Code:
Fixed: 0
Tolerance:
1 = ±1% (custom)
2 = ±2% (standard)
Temperature:
E: -40°C to +85°C
Package Type and Pin Count:
CB: 3-Pin SOT-23A (equivalent to EIAJ SC-59)
MB: 3-Pin SOT-89
CT: 5-Pin SOT-23A (equivalent to EIAJ SC-74A)
Taping Direction:
TR: Standard Taping
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:
1. Your local Microchip sales office
2. The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277
3. The Microchip Worldwide Site (www.microchip.com)
Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using.
New Customer Notification System
Register on our web site (www.microchip.com/cn) to receive the most current information on our products.
2002 Microchip Technology Inc.
DS21434B-page9
TC54
NOTES:
DS21434B-page10
2002 Microchip Technology Inc.
TC54
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 com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER,
PICSTART, PRO MATE, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Tech-
nology Incorporated in the U.S.A. and other countries.
dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
MXDEV, MXLAB, PICC, PICDEM, PICDEM.net, rfPIC, Select
Mode and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A.
Serialized Quick Turn Programming (SQTP) is a service mark
of Microchip Technology Incorporated in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999
and Mountain View, California in March 2002.
The Company’s quality system processes and
procedures are QS-9000 compliant for its
PICmicro® 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals,
non-volatile memory and analog products. In
addition, Microchip’s quality system for the
design and manufacture of development
systems is ISO 9001 certified.
2002 Microchip Technology Inc.
DS21434B-page 11
M
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05/01/02
'ꢀꢁꢂꢃ! !ꢄ'
DS21434B-page 12
2002 Microchip Technology Inc.
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