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XC6121E528MR-G PDF预览

XC6121E528MR-G

更新时间: 2024-11-05 22:09:51
品牌 Logo 应用领域
特瑞仕 - TOREX /
页数 文件大小 规格书
26页 464K
描述
IC WATCHDOG TIMER SOT-25

XC6121E528MR-G 数据手册

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XC6121/XC6122  
XC6123/XC6124Series  
ETR0209-011b  
Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V)  
GENERAL DESCRIPTION  
The XC6121/XC6122/XC6123/XC6124 series is a group of high-precision, low current consumption voltage detectors with  
watchdog functions incorporating CMOS process technology. The series consist of a reference voltage source, delay circuit,  
comparator, and output driver. With the built-in delay circuit, the series do not require any external components to output  
signals with release delay time. The output type is VDFL low when detected. The EN/ENB pin can control ON and OFF of the  
watchdog functions. By setting the EN/ENB pin to low or high level, the watchdog function can be OFF while the voltage  
detector remains operation. Since the EN/ENB pin of the XC6122 and XC6124 series is internally pulled up to the VIN pin or  
pulled down to the VSS pin, these series can be used with the EN/ENB pin left open when the watchdog functions is used. The  
detect voltages are internally fixed 1.6V ~ 5.0V in increments of 0.1V, using laser trimming technology. Six watchdog timeout  
periods are available in a range from 50ms to 1.6s. Five release delay times are available in a range from 3.13ms to 400ms.  
APPLICATIONS  
FEATURES  
Detect Voltage Range  
: 1.6V ~ 5.0V, +2%  
(0.1V increments)  
: VDFL x 5% (TYP.)  
: 1.0V ~ 6.0V  
Microprocessor watchdog monitoring  
and reset circuits  
Hysteresis Width  
Operating Voltage Range  
Detect Voltage Temperature  
Characteristics  
Output Configuration  
Watchdog Pin  
Memory battery backup circuits  
System power-on reset circuits  
Power failure detection  
: +100ppm/OC (TYP.)  
: N-channel open drain  
: Watchdog input  
If watchdog input maintains ‘H’ or  
‘L’ within the watchdog timeout  
period, a reset signal is output  
from the RESETB pin.  
: When the EN/ENB pin voltage is  
set to low or high level, the  
watchdog function is forced off.  
: 400ms, 200ms, 100ms, 50ms,  
3.13ms (TYP.)  
EN/ENB Pin  
Release Delay Time  
Watchdog Timeout Period  
: 1.6s, 800ms, 400ms, 200ms,  
100ms, 50ms (TYP.)  
Operating Ambient Temperature  
: -40~ +85℃  
: SOT-25, USP-6C  
: EU RoHS Compliant, Pb Free  
Packages  
Environmentally Friendly  
TYPICAL APPLICATION CIRCUIT TYPICAL PERFORMANCE  
CHARACTERISTICS  
Supply Current vs. Input Voltage  
XC6121~XC6124(V =2.7V)  
DF  
14.0  
12.0  
10.0  
8.0  
6.0  
4.0  
2.0  
0
Ta=85℃  
Ta=25℃  
Ta=-40℃  
0
1
2
3
4
5
6
Input Voltage:ꢀVIN (V)  
1/26  

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