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TC1278

Features: • Precision VCC Monitor for 5.0V System Supplies• 250msec Minimum RESET Output Duration• Output Valid to VCC = 1.2V• VCC Transient Immunity• Small 3-Pin SOT-23B Package• No External ComponentsApplication• Computers• Embedded Systems• ...

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SeekIC No. : 004513160 Detail

TC1278: Features: • Precision VCC Monitor for 5.0V System Supplies• 250msec Minimum RESET Output Duration• Output Valid to VCC = 1.2V• VCC Transient Immunity• Small 3-Pin SOT-2...

TC1278 Data Sheet

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Part Number:
TC1278
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Precision VCC Monitor for 5.0V System Supplies
• 250msec Minimum RESET Output Duration
• Output Valid to VCC = 1.2V
• VCC Transient Immunity
• Small 3-Pin SOT-23B Package
• No External Components


Application

• Computers
• Embedded Systems
• Battery Powered Equipment
• Critical P Power Supply Monitoring


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC to GND) ..............................+6.0V
RESET, RESET...........................-0.3V to (VCC + 0.3V)
Input Current, VCC ...............................................20mA
Output Current, RESET.......................................20mA
Power Dissipation (TA 70°C)
3-Pin SOT-23B (derate 4mW/°C above +70°C)
.................................................................230mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range .............. -65°C to +150°C
*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.


Description

The TC1278/TC1279 are cost-effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required.

The reset output is driven active within 5sec of VCC falling through the reset voltage threshold. RESET is maintained active for a minimum of 250msec after VCC rises above the reset threshold. The TC1278 has an active-high RESET output while the TC1279 has an active-low RESET output, and both devices have an open drain output stage. The output is valid down to VCC = 1.2V. Both devices are available in a 3-Pin SOT- 23B package.




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