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EnglishCXDR75126/CXDR75127 They provide excellent circuit reliability at low cost by eliminating external components. Since the sense pin is separated from power supply, it allows the IC to monitor added pow
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产品概述 返回TOP
The CXDR75126/CXDR75127 microprocessor (μP) supervisory circuits monitor system voltages in μP and digital systems. They provide excellent circuit reliability at low cost by eliminating external components. Since the sense pin is separated from power supply, it allows the IC to monitor added power supply. Using the IC with the sense pin separated from power supply enables output to maintain the state of detection even when voltage of the monitored power supply drops to 0V. The VSEN pin of G68_ _09T_ is high impedance and can be used for application of reset threshold programming. Moreover, with the built-in delay circuit, connecting the delay capacitance pin to the capacitor enables the IC to provide an arbitrary release delay time. All of these devices are offered in SOT-23-5, SC-70-5, DFN1.6X1.6-6 and ADNF1.5X1.5-6 packages.
产品特点 返回TOP
„ Monitor Supply Voltages from 0.9V to 1.8V
„ ±2% Reset Threshold Accuracy
„ Capacitor-Adjustable Reset Timeout Period tRP (ms) ≅ 2.7 × CD (nF) at VCC=3.3V
„ Low Quiescent Current : 10μA at VCC =3.3V
„ Available in three RESET Output Options Push-Pull RESET Output (CXDR75126L) Push-Pull RESET Output (CXDR75126H) Open-Drain RESET (CXDR75127L)
„ Programmable Reset Threshold Application (G68_ _09T_)
„ Guaranteed Reset Valid to VCC = 1V
„ Power-Supply Transient Immunity
„ SOT-23-5, SC-70-5, DFN1.6X1.6-6 and ADFN1.5X1.5-6 Packages
应用范围 返回TOP
„ Computers
„ Controllers
„ Intelligent Instruments
„ Critical μP and μC Power Monitoring
„ Portable/Battery-Powered Equipment
„ Telecom/Networking Equipment
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Delay Time Adjustable |
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Part NO. |
VCC(V min. |
VCC(V max. |
Detecting Voltage(V) |
ICD source (μA) |
VTCD (V) |
Vth Accu racy(%) |
Isupply (μA) |
Note |
Package |
|
2.2 |
5.5 |
0.8*VCC |
1.1 |
0.833 |
-- |
4 |
Open-Drain RESET Output TMR(ms) =76000×CMR(uF) |
ADFN1.5X 1.5-6 |
|
|
0.8 |
5.5 |
2.2/3.7 |
0.18 |
-- |
2 |
29 |
CXDR75120H/L is a Push-Pull High/Low Reset CXDR75121L is an Open-Drain Low Reset TCD(ms)=5700×CD(uF) |
TSOT25 |
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