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R5108G391A-TR-F

更新时间： 2024-02-16 02:32:19
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 228K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO8, ROHS COMPLIANT, SSOP-8

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R5108G391A-TR-F 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：LSSOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
其他特性：DETECTOR THRESHOLD VOLTAGE IS 3.9V可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e6长度：2.9 mm
信道数量：1功能数量：1
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1.3 mm
最大供电电压 (Vsup)：6 V最小供电电压 (Vsup)：1.5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Bismuth (Sn/Bi)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2.8 mmBase Number Matches：1

R5108G391A-TR-F 数据手册

 浏览型号R5108G391A-TR-F的Datasheet PDF文件第2页 
R5108G Series  
Watchdog Timer Equipped with SENSE Pin with VD  
The R5108G Series are CMOS-based system power ICs with a voltage detector (VD) and watchdog timer (WDT) integrated in a single chip.  
R5108G monitors the power system of devices equipped with microprocessors and prevents system runaway with a reset signal when a  
malfunction occurs. R5108G is equipped with the function that inhibits clock monitoring of the WDT (INH). Since R5108G has a SENSE pin  
for monitoring voltage separately from the power pin, its reset signal does not become unstable as long as power supply is secured and  
the "L" can be maintained.  
FEATURES  
• Supply Current (ISS) ························Typ. 11μA (VDD=-VDET+0.5V,  
Clock pulse input)  
• Operating Voltage Range (VDD) ······1.5V to 6.0V  
(VD Section)  
• Output Delay Time (tPLH)·················Typ. 370ms (CD=0.1μF)  
<
• Output Delay Time Accuracy··········± 16% (-40°C Topt 105°C)  
=
=
(WDT Section)  
• Watchdog Timeout Period (tWD)······Typ. 310ms (CTW=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 (CTW=0.1μF)  
<
•
Watchdog Timeout Period Accuracy ····± 33% (-40°C Topt 105°C)  
• Package ·········································SSOP-8G  
=
=
°
°
°
(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  
R5108Gxx1A  
R5108Gxx1C  
(Nch. open drain output)  
(CMOS output)  
Power Supply  
Microprocessor  
VDD  
SENSE  
SENSE  
V
DD  
VDD  
R
8
2
6
VDD  
RESETB  
1
5
RESET  
I/O  
C
D
CD  
SENSE  
Vref2  
Vref1  
Vref2  
Vref1  
R5108Gxx1A  
SCK  
CTW  
GND  
SCK  
GND  
SCK  
Series  
INH  
CD  
C
TW  
CTW  
WATCHDOG  
TIMER  
CLOCK  
DETECTOR  
WATCHDOG  
TIMER  
CLOCK  
DETECTOR  
SW  
3
7
GND  
4
CTW  
CD  
RESETB  
RESETB  
INH  
INH  
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.  
SSOP-8G  
3,000 pcs  
R5108G  
.
xx.  
1.  
∗-TR-F  
: Select the output type from (  
.
A
.
) Nch. open drain or (  
.
C
.
) CMOS.  
.
∗
PACKAGE (Top View)  
TIMING CHART  
SSOP-8G  
8
7
6
5
VDD  
V
INH  
+VDET  
-VDET  
1
2
3
4
V
SENSE  
1
2
RESETB Output pin for Reset "L" signal  
SENSE Voltage SENSE pin of VD  
t
PLH  
tPLH  
+VTCD  
- VTCD  
V
V
CD  
Ext. Cap. pin for setting output  
delay time of VD  
3
CD  
t
WD  
tWDI  
V
ref2H  
4
5
6
GND  
SCK  
INH  
Ground pin  
Watchdog timer clock input pin  
Inhibit pin  
CTW  
V
ref2L  
t
PHL  
tWR  
Ext. Cap. pin for setting reset and  
watchdog timeout period of WDT  
Power supply pin  
V
SCK  
7
8
C
TW  
t
PLH  
VDD  
V
RESETB  
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-171-091101  
CMOS Microprocessor Supervisory  
12

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