TC54VC MICROCHIP [Microchip Technology], TC54VC Datasheet

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TC54VC

Manufacturer Part Number
TC54VC
Description
CMOS voltage detectors that are especially well suited for battery-powered
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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Features
• ±2.0% Detection Thresholds
• Small Packages: 3-Pin SOT-23A, SOT-89, and
• Low Current Drain: 1 µA, typical
• Wide Detection Range: 1.1V to 6.0V
• Wide Operating Voltage Range: 0.7V to 10V
Applications
• Battery Voltage Monitoring
• Microprocessor Reset
• System Brown-Out Protection
• Switching Circuit in Battery Backup
• Level Discriminator
Functional Block Diagram
Device Features
 2001-2011 Microchip Technology Inc.
Note 1:
V
TO-92
TC54VN has open-drain output.
TC54VC has complementary (push-pull) output.
IN
V
TC54VN
TC54VC
Device
REF
Custom Trip Points available. Minimum order requirement. Information available upon request.
+
Open-Drain
Push-Pull
Type
Output
TC54VC only
V
Voltage Detector
V
OUT
SS
Active Low
Active Low
State
General Description
The TC54 series are CMOS voltage detectors that are
especially well suited for battery-powered applications
because of their extremely low 1 µA operating current
and small surface-mount packaging. Each part is laser-
trimmed to the desired threshold voltage, which can be
specified from 1.4V to 6.0V with a 2% tolerance.
The TC54 is available with either an open-drain or com-
plementary output stage. During operation, the output
(V
greater than the specified threshold voltage (V
When V
logic-low. V
V
high state.
Package Types
DET
OUT
Note:
Reset Delay
– by an amount V
3-Pin SOT-23A
) remains in the logic-high state as long as V
V
OUT
IN
1
No
No
TC54
falls below V
V
OUT
3-Pin SOT-23A is equivalent to the
EIAJ SC-59.
3
IN
V
OUT
V
remains low until V
2
SS
3-Pin TO-92
V
IN
DET
HYST
Std. Trip Points
V
SS
– , the output is driven to a
1.4V, 2.1V, 2.7V, 2.9V
, when it resets to a logic-
3.0V, 4.2V, 4.3V
1 2 3
TC54
3-Pin SOT-89
V
OUT
1
DS21434J-page 1
V
IN
V
2
IN
IN
(1)
rises above
TC54
V
(typical)
3
SS
DET
IN
– ).
is

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TC54VC Summary of contents

Page 1

... Switching Circuit in Battery Backup • Level Discriminator Functional Block Diagram V IN – REF TC54VN has open-drain output. TC54VC has complementary (push-pull) output. Device Features Output Device Type TC54VN Open-Drain TC54VC Push-Pull Note 1: Custom Trip Points available. Minimum order requirement. Information available upon request. ...

Page 2

... DET V = 2.1V (typical) DET V = 2.7V (typical) DET V = 2.9V (typical) DET V = 3.0V (typical) DET V = 4.2V (typical) DET V = 4.3V (typical) DET V = 0.5V 2. 0.5V 3. 0.5V 4. 0.5V 5. TC54VC Only – 2.1V 8.  85°C A –  inversion DET OUT  2001-2011 Microchip Technology Inc. ...

Page 3

TEMPERATURE SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, all limits are specified for: V Parameters Temperature Ranges Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 3L-SOT-23A Thermal Resistance, 3L-SOT-89 Thermal Resistance, 3L-TO-92 V FIGURE 1-1: Timing Diagram.  ...

Page 4

TC54 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in TABLE 2-1: PIN FUNCTION TABLE TC54 SOT-23A SOT- — Tab 2.1 Digital Output (V ) OUT V goes low when V drops ...

Page 5

... V V rises above V IN will become valid. V while V < V INMIN “Electrical + the input rises above V HYST assume its Inactive state (high for TC54VC, open-drain for TC54VN DET V HYST – TC54 ) will stay valid until the input voltage OUT ) of ...

Page 6

TC54 4.0 APPLICATIONS INFORMATION 4.1 Modifying the Trip Point, V Although the TC54 has a pre-programmed V sometimes necessary to make adjustments during pro- totyping. This can be accomplished by connecting an external resistor divider to a TC54, which has ...

Page 7

PACKAGING INFORMATION 5.1 Package Marking Information 3-Lead SOT-23A XN3X 3-Lead SOT-89 XXXYYWW NNN 3-Lead TO-92 XXXXXX XXXXXX XXXXXX YWWNNN Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar ...

Page 8

TC54 3-Pin SOT-23A 3-Pin SOT- represents output configuration (CMOS or Nch) 1 and first integer of voltage Ex: CMOS 3 Symbol Output B CMOS C CMOS D CMOS E CMOS F CMOS ...

Page 9

1RWHV  2001-2011 Microchip Technology Inc TC54 φ L DS21434J-page 9 ...

Page 10

TC54 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21434J-page 10  2001-2011 Microchip Technology Inc. ...

Page 11

1RWHV  2001-2011 Microchip Technology Inc TC54 DS21434J-page 11 ...

Page 12

TC54 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS21434J-page 12  2001-2011 Microchip Technology Inc. ...

Page 13

1RWHV  2001-2011 Microchip Technology Inc TC54 D DS21434J-page 13 ...

Page 14

TC54 NOTES: DS21434J-page 14  2001-2011 Microchip Technology Inc. ...

Page 15

APPENDIX A: REVISION HISTORY Revision J (June 2011) The following is the list of modifications: 1. Updated temperature values in Specifications table. 2. Corrected equation in Figure 4-1. 3. Added new examples layout in Package Marking Information. Revision H (December ...

Page 16

TC54 NOTES: DS21434J-page 16  2001-2011 Microchip Technology Inc. ...

Page 17

... TC54VC2102ECB713: Tape and Reel, 2.1V Voltage Detector, 2% Tol., SOT-23A-3. TC54VC2102EMB713: Tape and Reel, 2.1V Voltage Detector, 2% Tol., SOT-89-3. TC54VC2102EZB: 2.1V Voltage Detector, 2% Tol., TO-92. TC54VC2702ECB713: Tape and Reel, 2.7V Voltage Detector, 2% Tol., SOT-23A-3. TC54VC3002ECB713: Tape and Reel, 3.0V Voltage Detector, 2% Tol., SOT-23A-3. TC54VN4202ECB713: Tape and Reel, 4.2V Voltage Detector,2% Tol., SOT-23A-3. ...

Page 18

TC54 NOTES: DS21434J-page 18  2001-2011 Microchip Technology Inc. ...

Page 19

Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

Page 20

Worldwide Sales and Service AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://www.microchip.com/ ...

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