TC54VN4502ECBTR [MICROCHIP]
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, EIAJ, SC-59, SOT-23A, 3 PIN;
| 型号： | TC54VN4502ECBTR |
| 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8页 (文件大小：69K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TC54 Series
VOLTAGE DETECTOR
FEATURES
GENERAL DESCRIPTION
ꢀ Precise Detection Thresholds .... Standard ± 2.0%
Custom ± 1.0%
ꢀ Small Packages ......3-Pin SOT-23A, 3-Pin SOT-89,
3-Pin TO-92
ꢀ Low Current Drain ..................................... Typ. 1µA
ꢀ Wide Detection Range..........................1.1V to 6.0V
ꢀ Wide Operating Voltage Range ............ 0.7V to 10V
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,
in 0.1V steps for a 2% and 1.5V to 6.0V for a 1% tolerance.
The device includes a comparator, low-current high-
precisionreference,laser-trimmeddivider,hysteresiscircuit
andoutputdriver. TheTC54isavailablewitheitheranopen-
drain or complementary output stage.
APPLICATIONS
ꢀ Battery Voltage Monitoring
ꢀ Microprocessor Reset
ꢀ System Brownout Protection
ꢀ Switching Circuit in Battery Backup
ꢀ Level Discriminator
In operation, the TC54's output (VOUT) remains in the
logic HIGH state as long as VIN is greater than the
specified threshold voltage (VD–ET). When VIN falls below
VD–ET, the output is driven to a logic LOW. VOUT remains
LOW until VIN rises above VD–ET by an amount VHYST
whereupon it resets to a logic HIGH.
,
PIN CONFIGURATIONS
*3-Pin SOT-23A 3-Pin SOT-89
3-Pin TO-92
V
ORDERING INFORMATION
IN
2
1 2 3
PART CODE TC54 V X XX X X X XX XXX
Output form:
TC54
3
TC54
N = Nch Open Drain
C = CMOS Output
TC54
3
1
1
2
V
V
SS
V
V
V
OUT
OUT
IN
SS
Detected Voltage:
Ex: 15 = 1.5V; 60 = 6.0V 1.0% Tol.
Ex: 11 = 1.1V; 60 = 6.0V 2.0% Tol.
*3-Pin SOT-23A is equivalent to EIAJ SC-59
Extra Feature Code: Fixed: 0
Tolerance:
1 = 1.0% (custom)
2 = 2.0% (standard)
FUNCTIONAL BLOCK DIAGRAM
2
TC54VC only
Temperature: E: – 40°C to + 85°C
V
Package Type and Pin Count:
CB: 3-Pin SOT-23A*, MB: 3-Pin SOT-89,
ZB: 3-Pin TO-92
IN
V
OUT
1
–
+
Taping Direction:
TR: Standard Taping
RT: Reverse Taping
No Suffix: TO-92 Bulk
V
REF
V
SS
3
* 3-Pin SOT-23A is equivalent to EIAJ SC-59.
TC54VN has open-drain output.
TC54VC has complementary output.
© 2001 Microchip Technology Inc. DS21434A
TC54-13 8/23/99
VOLTAGE DETECTOR
TC54 Series
* Static-sensitive device. Unused devices must be stored in conductive
material. Protect devices from static discharge and static fields. Stresses
above those listed under Absolute Maximum Ratings may cause perma-
nent 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 operational sections of the specifications is not implied.
Exposure to Absolute Maximum Rating Conditions for extended periods
may affect device reliability.
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage VIN ......................................................12V
Output Voltage: CMOS............. (VSS – 0.3) to (VIN + 0.3 )
Open Drain ................ (VSS – 0.3) to 12V
Output Current .........................................................50mA
Power Dissipation: (TA ≤ 70°C)
3-Pin SOT-23A ...............................................240mW
3-Pin SOT-89..................................................400mW
3-Pin TO-92 ....................................................440mW
Operating Temperature..........................– 40°C to + 85°C
Storage Temperature ...........................– 65°C to + 150°C
Soldering Temperature (10 sec) ............................. 300°C
ELECTRICAL CHARACTERISTICS: TA = 25°C, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max Unit
VIN
ISS
Operating Voltage
Quiescent Current
VD–ET = 0.8 to 6.0V
0.7
—
10.0
V
VIN = 2.1V
3.0V
1.0
1.3
1.6
2.0
3.0
3.4
3.8
4.2
(VD–ET
x 1.02
(VD–ET
µA
4.0V
5.0V
VD–ET
VHYST
IOUT
Threshold Voltage
Hysteresis Range
Output Current
(VD–ET
x 0.98
(VD–ET
)
—
)
V
)
(VD–ET
)
)
V
x 0.02
x 0.05 x 0.08
VOL = 0.5V
VIN = 2.1V
3.0V
4.0V
5.0V
VIN = 8.0V
—
7.7
10.1
11.5
13.0
– 10.0
—
mA
TC54VC Only: VOH = VIN – 2.1V
TC (VD–ET
)
Tempco of (VD–ET
)
– 40°C ≤ TA ≤ 85°C
—
± 100
ppm/°C
PIN DESCRIPTION
Pin No.
Symbol
Description
1
VOUT
Digital output. This output goes low when VIN drops below VD–ET and returns high when VIN
rises above VD–ET + VHYST. (See timing chart).
2
3
VIN
Analog input. This pin is both the power supply input and the voltage to be monitored.
Ground terminal.
VSS
© 2001 Microchip Technology Inc. DS21434A
TC54-13 8/23/99
2
VOLTAGE DETECTOR
TC54 Series
TIMING CHART
DESCRIPTION OF OPERATION
Refer to the Timing Chart below. In normal steady-state
operation, when VIN > VD–ET, the output will be at a logic high.
+
DET
V
IN
V
In the case of the TC54V, this is an open-drain condition. If
RELEASE
VOLTAGE
RESET
VOLTAGE
OR
–
, theoutputwillpulldown
andwhentheinputfallsbelowVDET
V
HYST
–
DETECT VOLTAGE
V
DET
(Logic 0) to VSS. Generally, VOUT can pull down to within
0.5V of VSS at rated output current and input voltage. (See
the Electrical Characteristics section).
MINIMUM OPERATING
VOLTAGE
GROUND LEVEL
The output, VOUT, will stay valid until the input voltage
falls below the Minimum Operating Voltage, VIN(MIN), of
0.7V. Below this minimum operating voltage, the output is
undefined. During power-up or anytime VIN has fallen below
VIN (MIN), VOUT will remain undefined until VIN rises above
OUTPUT VOLTAGE
GROUND LEVEL
VIN(MIN), at which time the output will become valid. VOUT
+
will be in its active low state while VIN(MIN) < VIN
<
.
VDET
+
–
(
=
+ VHYST). If and when the input rises above
, the output will assume its inactive state. (High for
VDET VDET
+
VDET
TC54VC, open-drain for TC54VN).
APPLICATIONS
Refer to TelCom Semiconductor Application Note #2,
Using the TC54 Voltage Detector.
MARKING
3-Pin SOT-23A
3-Pin TO-92
3-Pin SOT-89
1
5
2
6
3
7
4
8
9 10 11 12
ꢀꢀ= output (Nch or CMOS) plus first voltage digit
ꢀ, ꢂ & ꢃ = 54x (fixed)
1 2 3 4 5 6
L M N P R S
B C D E F H
ꢄ = output (C = CMOS, N = Nch)
ꢅ = first voltage digit (2-6)
Nch
CMOS
D
ex: CMOS 3.x = ꢁꢁꢁꢁ
ꢂꢀ= first voltage decimal (0-9)
ex: CMOS 3.4 = ꢁꢁꢁꢁ
ꢃ & ꢄ = assembly lot number
ꢆ = first voltage decimal (0-9)
ꢇ = extra feature code : fixed : 0
D
4
ꢈ = detecting accuracy
1 = ± 1.0% (custom), 2 = ± 2.0% (standard)
ꢉ, ꢊ, ꢋ & ꢌ = assembly lot number
TC54-13 8/23/99
© 2001 Microchip Technology Inc. DS21434A
3
VOLTAGE DETECTOR
TC54 Series
TAPING FORMS
Component Taping Orientation for 3-Pin SOT-23A(EIAJ SC-59) Devices
PIN 1
User Direction of Feed
User Direction of Feed
M a r k i n g
D e v i c e
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
for TR Suffix Device
(Mark Right Side Up)
Reverse Reel Component Orientation
for RT Suffix Device
(Mark Upside Down)
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
3000
Reel Size
3-Pin SOT-23A
8 mm
4 mm
7 in
Component Taping Orientation for 3-Pin SOT-89
User Direction of Feed
User Direction of Feed
M a r k i n g
D e v i c e
Device
Marking
W
PIN 1
P
Standard Reel Component Orientation
Reverse Reel Component Orientation
for TR Suffix Device
(Mark Right Side Up)
for RT Suffix Device
(Mark Upside Down)
Carrier Tape, Reel Size, and Number of Components Per Reel
Package
3-Pin SOT-89
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
12 mm
8 mm
1000
7 in
© 2001 Microchip Technology Inc. DS21434A
TC54-13 8/23/99
4
VOLTAGE DETECTOR
TC54 Series
TAPING FORMS (Cont.)
Component Taping Orientation for 3-Pin TO-92 Devices
User Direction of Feed
P
Mark
Face
M
ARK
ACE
M
ARK
ACE
M
ARK
FACE
F
F
Cover
Tape
Carrier
Tape
W
Standard Reel Component Orientation
for TR Suffix Device
Reverse Reel Component Orientation
for RT Suffix Device
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
3-Pin TO-92
18 mm
12.7 mm
1000
14 in
TC54-13 8/23/99
© 2001 Microchip Technology Inc. DS21434A
5
VOLTAGE DETECTOR
TC54 Series
TAPING FORMS (Cont.)
Component Taping Orientation for 3-Pin TO-92 (Cont.)
Marked
Face
Seal
Tape
Back
Tape
PACKAGE DIMENSIONS
3-Pin SOT-23A (EIAJ SC-59)
.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)
© 2001 Microchip Technology Inc. DS21434A
TC54-13 8/23/99
6
VOLTAGE DETECTOR
TC54 Series
PACKAGE DIMENSIONS (Cont.)
3-Pin SOT-89
.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)
3-Pin TO-92
.125 (3.18)
.500
(12.70)
MIN.
.210 (5.33)
.170 (4.32)
.105 (2.67)
.080 (2.03)
.135
(3.43)
MIN.
.205 (5.21)
.175 (4.45)
.105 (2.67)
.095 (2.41)
.018 (0.46)
.015 (0.38)
.055 (1.40)
.045 (1.14)
.018 (0.46)
.015 (0.38)
Dimensions: inches (mm)
TC54-13 8/23/99
© 2001 Microchip Technology Inc. DS21434A
7
WORLDWIDE
SALES AND
S
ERVICE
New York
150 Motor Parkway, Suite 202
Hauppauge, NY 11788
AMERICAS
Corporate Office
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200 Fax: 480-792-7277
ASIA/PACIFIC (continued)
Singapore
Microchip Technology Singapore Pte Ltd.
200 Middle Road
#07-02 Prime Centre
Tel: 631-273-5305 Fax: 631-273-5335
San Jose
Microchip Technology Inc.
2107 North First Street, Suite 590
San Jose, CA 95131
Technical Support: 480-792-7627
Web Address: http://www.microchip.com
Singapore, 188980
Tel: 65-334-8870 Fax: 65-334-8850
Rocky Mountain
Taiwan
Microchip Technology Taiwan
11F-3, No. 207
Tung Hua North Road
Taipei, 105, Taiwan
Tel: 886-2-2717-7175 Fax: 886-2-2545-0139
Tel: 408-436-7950 Fax: 408-436-7955
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Tel: 480-792-7966 Fax: 480-792-7456
Toronto
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Mississauga, Ontario L4V 1X5, Canada
Tel: 905-673-0699 Fax: 905-673-6509
Atlanta
500 Sugar Mill Road, Suite 200B
Atlanta, GA 30350
Tel: 770-640-0034 Fax: 770-640-0307
Austin
Analog Product Sales
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China - Beijing
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Tel: 86-10-85282100 Fax: 86-10-85282104
EUROPE
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Tel: 61-2-9868-6733 Fax: 61-2-9868-6755
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01/09/01
All rights reserved.
©
2001 Microchip Technology Incorporated. Printed in the USA. 1/01
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 Microchipís 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.
© 2001 Microchip Technology Inc. DS21434A
TC54-13 8/23/99
8
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