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參數資料
| 型號： | R5107G291C-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | 2.90 X 4 MM, 0.65 MM PITCH, SSOP-8 |
| 文件頁數： | 1/15頁 |
| 文件大?。?/td> | 392K |
| 代理商： | R5107G291C-TR |
Microprocessor Supervisory Circuit
R5107G SERIES
NO. EA-170-080604
1
OUTLINE
The R5107G Series are CMOS-based con supervisory circuit, or high accuracy and ultra low supply current
voltage detector with built-in delay and watchdog timer. When the VDD voltage is down across the threshold, or
the watchdog timer does not detect the system clock from the
con, the reset output is generated. The voltage
detector circuit is used for the system reset, etc. The detector threshold is fixed internally, and the tolerance is
±1.0%. The released delay time (Power-on Reset Delay) circuit is built-in, and output delay time is adjustable
with an external capacitor. When the VDD supply voltage becomes higher than the released voltage, the reset
state will be maintained during the delay time. The time out period of the watchdog timer can be also set with an
external capacitor. The output type of the reset is selectable, Nch open-drain, or CMOS. The function to stop
supervising clock by the watchdog timer (INH function) and manual reset function are built in this IC. The
package is small SSOP-8G.
FEATURES
Built-in a watchdog timer's time out period accuracy
±30%
Timeout period for watchdog and generating a reset signal can be set by an external capacitor
Detector Threshold Voltage 0.1V stepwise setting in the range from 1.5V to 5.5V
Supply current Typ. 11A
Operating Voltage 0.9V to 6.0V
High Accuracy Output Voltage of Detector Threshold ±1.0%
Power-on Reset Delay Time accuracy ±20%
Power-on reset delay time of the voltage detector can be set with an external capacitor.
Small Package SSOP-8G (0.65mm pitch)
APPLICATION
Supervisory circuit for equipment with using microprocessors.
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