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X80121

Features: • Dual Voltage Monitor and Sequencing - Two independent voltage monitors- Two time delay circuits (in circuit programmable) - Remote delay via SMBus - Programmable voltage thresholds and delay times - Sequence up to 3 power supplies.• Fault Detection Register- Remote diagnost...

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SeekIC No. : 004547431 Detail

X80121: Features: • Dual Voltage Monitor and Sequencing - Two independent voltage monitors- Two time delay circuits (in circuit programmable) - Remote delay via SMBus - Programmable voltage thresholds...

X80121 Data Sheet

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Part Number:
X80121
Supply Ability:
5000

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

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Product Details

Description



Features:

• Dual Voltage Monitor and Sequencing
  - Two independent voltage monitors
  - Two time delay circuits (in circuit programmable)
  - Remote delay via SMBus
  - Programmable voltage thresholds and delay times
  - Sequence up to 3 power supplies.
• Fault Detection Register
  - Remote diagnostics of voltage fail event.
• Debounced Manual Reset Input
• Manufacturing/Configuration Memory
  - 2Kbits of EEPROM
  - 400kHz SMBus interface
• Available Packages
  - 20-lead Quad No-Lead Frame (QFN - 5x5mm)


Application

• General Purpose Timers
• Long Time Delay Generation
• Cycle Timers / Waveform Generation
• ON/OFF Delay Timers
• Supply Sequencing for Distributed Power
• Programmable Delay Event Sequencing
• Multiple DC-DC ON/OFF Sequencing
• Voltage Window Monitoring with Reset
• ON/OFF switches with Programmable Delay
• Voltage Supervisor with Programmable Output Delays
• Databus Power Sequencing
• 100ms to 5 secs Selectable Delay Switches
• ATE or Data Acquisition Timing Applications
• Datapath/Memory Timing Applications
• Data Pipeline Timing Applications
• Batch Timer/Sequencers
• Adjustable Duty Cycle Applications


Pinout

Connection Diagram


Specifications

Temperature under bias . . . . . . . . . . . . . . . . . .-65°C to +135°C
Storage temperature . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
V1MON, V4MON pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
V1GDO, V4GDO pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
RESET pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 5.5V
SDA, SCL, WP, A0, A1 pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
MR pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
VP pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14V
D.C. output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Lead temperature (soldering, 10 seconds) . . . . . . . . . . . . . 300°C


Description

The X80120 is a voltage supervisor/sequencer with two built in voltage monitors. This allows the designer to monitor up to two voltages and sequence up to three events.

X80120 Low voltage detection circuitry protects the system from power supply failure or "brown out" conditions, resetting the system and resequencing the voltages when any of the monitored inputs fall below the minimum threshold level. The RESET pin is active until all monitored voltages reach proper operating levels and stabilize for a selectable period of time. Five common low voltage combinations are available,however, Intersil's unique circuits allow the any voltage
monitor threshold to be reprogrammed for special needs or for applications requiring higher precision.

A manual reset input of X80120 provides debounce circuitry for minimum reset component count. Activating the manual reset both controls the RESET output and resequences the supplies through control of the ViGDO pins.

The X80120 has 2kb of EEPROM for system configuration,manufacturing or maintenance information. This memory is protected to prevent inadvertent changes to the contents.




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