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R5106N181C-TR-F

更新时间： 2023-02-15 00:00:00
品牌 Logo 应用领域
理光 - RICOH 光电二极管
页数 文件大小 规格书
2页 262K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO6, ROHS COMPLIANT, SOT-23, 6 PIN

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R5106N181C-TR-F 数据手册

 浏览型号R5106N181C-TR-F的Datasheet PDF文件第2页 
R5106N Series  
Compact Watchdog Timer Equipped with Inhibit Pin with VD  
The R5106N Series are CMOS-based system power ICs with a voltage detector (VD) and watchdog timer (WDT) integrated in a single  
chip. R5106N monitors the power system of devices equipped with microprocessors and prevents system runaway with a reset  
signal when a malfunction occurs. The output delay time of the VD and watchdog timeout period/reset time can be adjusted high  
accuracy with an external capacitor. The R5106N is equipped with the function that inhibits clock monitoring of the WDT (INH).  
FEATURES  
• Supply Current (ISS) ························Typ. 11μA (VDD=-VDET+0.5V,  
Clock pulse input)  
• Operating Voltage (VDD)··················0.9V to 6.0V  
(VD Section)  
• Output Delay Time (tPLH)·················Typ. 370ms (CT=0.1μF)  
<
• Output Delay Time Accuracy··········± 16% (-40°C Topt 105°C)  
=
=
(WDT Section)  
• Watchdog Timeout Period (tWD)······Typ. 310ms (CT=0.1μF)  
•
•
•
Detector Threshold Range (-VDET  
Detector Threshold Accuracy ··········± 1%  
Temp. coeff. of Detector Threshold ···Typ. ± 100ppm/°C  
)
···1.5V to 5.5V (internally fixed)  
• Reset Hold Time of WDT (tWR) ·······Typ. 34ms (CT=0.1μF)  
<
•
Watchdog Timeout Period Accuracy ····± 33% (-40°C Topt 105°C)  
=
=
• Able to stop watchdog timer···········Inhibit (INH) Pin  
• Package ·········································SOT-23-6  
°
°
°
(The above shows specification at Topt=25 C. Design assurance value at -40 C  
Topt  
105 C is also available. For details, please refer to the datasheet.)  
=
=
BLOCK DIAGRAMS  
TYPICAL APPLICATION  
R5106Nxx1A  
(Nch. open drain output)  
R5106Nxx1C  
(CMOS output)  
Power Supply  
Microprocessor  
VDD  
3
3
6
VDD  
VDD  
SW1  
SW1  
SW2  
R
3
2
RESETB  
R5106Nxx1A  
4
1
VDD  
RESET  
I/O  
Vref2  
Vref1  
Vref2  
Vref1  
5
1
5
1
GND  
SCK  
GND  
SCK  
6
4
CT  
CT  
Series  
SCK  
SW2  
WATCHDOG  
TIMER  
CLOCK  
DETECTOR  
WATCHDOG  
TIMER  
CLOCK  
DETECTOR  
SW  
INH  
CT  
6
GND  
5
CT  
RESETB  
RESETB  
4
INH  
INH  
2
2
SELECTION GUIDE  
.
xx.  
:
Specify the detector threshold within the range 1.5V (  
in 0.1V steps.  
.
15  
.
) to 5.5V (  
.
55  
.
)
Package  
Quantity per Reel  
Part No.  
SOT-23-6  
3,000 pcs  
R5106N  
.
xx.  
1.  
∗-TR-F  
: Select the output type from (  
.
A
.
) Nch. open drain or (  
.
C
.
) CMOS.  
.
∗
PACKAGE (Top View)  
TIMING CHART  
SOT-23-6  
6
5
4
+VDET  
DD  
V
-VDET  
VINH  
1
2
3
tWD  
tPLH  
tWDI  
V
V
ref2H  
1
2
3
4
5
SCK  
INH  
VDD  
Watchdog timer clock input pin  
Inhibit pin  
Power supply pin  
V
CT  
ref2L  
RESETB Output pin for Reset "L" signal  
GND  
tPHL  
Ground pin  
VSCK  
Ext. Cap. pin for setting reset and  
watchdog timeout period of WDT  
and output delay time of VD  
6
CT  
tPLH  
tWR  
VRESETB  
APPLICATION  
∗tPHL : Output delay time  
∗tWDI : tWD/10 (SCK pulses input during this period are ignored.)  
• Monitoring of the power system of devices equipped with microprocessors  
No.EK-169-091101  
CMOS Microprocessor Supervisory  
12

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