Watchdog Timer

Watchdog Timer with Voltage Detector and Voltage Regulator

Product
Name
Operating
Voltage
Range
Voltage Detector Part Watchdog Timer Part Supply
Current
Voltage Regulator Part Package Data Sheet
(PDF)
Detector
Threshold
Range
Detector
Threshold
Accuracy
Output Delay Time
(Condition)
WDT Timeout Period
(Condition)
Inhibit
pin
Output
Voltage
Range
Output
Voltage
Accuracy 
Output
Current
Min. Typ. Max. Min. Typ. Max. Typ. 
R5101G 1.5V to 10.0V 1.7V to 5.0V ±2.5% (CD=0.001µF) (CW=0.01µF) * 5µA 1.8V to 5.0V ±2.5% 50mA SSOP-8G Download
7ms 14ms 35ms 50ms 120ms 250ms

Watchdog Timer with Voltage Detector

Product
Name
Operating
Voltage
Range
Voltage Detector Part Watchdog Timer Part Supply
Current
(Typ.)
Remarks Package Data Sheet
(PDF)
Detector
Threshold
Range
Detector
Threshold
Accuracy
Output
Delay Time
Accuracy
WDT Timeout
Period
Accuracy
Inhibit
pin
R5105N*1
車載専用
0.9V to 6.0V 1.5V to 5.5V ±1.0% ±16% ±33% - 11µA   SOT-23-6 Download Download*2
R5106N * CD pin and CTW pin are combined. Download
R5107G With MR (Manual reset) pin SSOP-8G Download
R5108G 1.5V to 6.0V With SENSE pin Download
R5109G 0.9V to 6.0V 11.5µA 2 clock input type Download
  • *1This product is designed for automotive applications. For details, please contact us.
  • *2This is the data sheet which combined R5105N, R5106N, R5107G, R5108G and R5109G.
  • *All PDF files are less than 1MB unless otherwise stated.
  • *If you don't have Adobe Reader, you can download free.
Get Adobe Reader Get Adobe Reader

*

  • Buy Products / Order Sample

Distributors

Ricoh semiconductor products are available at those dealers.

Technical Info.

  • Application Note

    Technical Information on Ricoh Power Management ICs.

Product Catalog

  • Product Catalog

    Selection guide is available for download in PDF format.

Page Top