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DS1836

Features: 5-volt or 3.3-volt power-on reset True 3-volt operation power switch Switches to battery at 3.8 volts (2.6 volts for 3.3-volt versions) Excellent for systems designed to operate with dual power supplies Asserts resets during power transients Maintains reset for 350 ms after VCC returns t...

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SeekIC No. : 004328699 Detail

DS1836: Features: 5-volt or 3.3-volt power-on reset True 3-volt operation power switch Switches to battery at 3.8 volts (2.6 volts for 3.3-volt versions) Excellent for systems designed to operate with dual ...

DS1836 Data Sheet

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Part Number:
DS1836
Supply Ability:
5000

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

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Upload time: 2024/5/19

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Product Details

Description



Features:

 5-volt or 3.3-volt power-on reset
True 3-volt operation power switch
Switches to battery at 3.8 volts (2.6 volts for 3.3-volt versions)
Excellent for systems designed to operate with dual power supplies
Asserts resets during power transients
Maintains reset for 350 ms after VCC returns to an in-tolerance condition
Reduces need for discrete components
Precision temperature-compensated voltage reference and voltage sensor
8-pin DIP or space saving 8-pin SOIC surface mount available
CMOS reset output for low current operation
Operating temperature of -40°C to +85°C
Perfect for PIC microprocessor applications


Pinout

Connection Diagram


Specifications

Voltage on VCC or VBAT Pin Relative to Ground                 -0.5V to +7.0V
Voltage on any I/O Pin Relative to Ground**                    -0.5V to VOUT + 0.5V
Operating Temperature                                                     -40°C to +85°C
Storage Temperature                                                        -55°C to +125°C
Soldering Temperature                                                      260°C for 10 seconds


Description

The DS1836 MicroManager performs three vital system functions. First a precision temperaturecompensated reference and comparator circuit monitor the status of the voltage on VCC and when an outof- tolerance condition is detected, an internal power-fail signal is generated which forces the reset active. If VCC continues to degrade it switches to the battery supply when VCC drops below 3.8 volts (2.6 volts for 3.3-volt versions). When VCC exceeds 3.9 volts (2.8 volts for 3.3-volt versions); VOUT will again be supplied from VCC. Reset will remain active for 350 ms after VCC returns to an in-tolerance condition.

Lastly, the DS1836 supports a sense input that sends a non-maskable interrupt whenever the sense input drops below 1.25 volts.




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