CXDR75101 CXDR75102是微处理器（μP）监控电路，用于监控μP和数字系统中的电源。当与+5V，+3.3V，+3.0V供电的电路一起使用时，通过消除外部元件和调整，它们提供了卓越的电路可靠性和低成本。这些电路执行单一功能：每当VCC电源电压下降到预设阈值以下时，它们就断言一个重置信号，在VCC上升到重置阈值以上后，将其保持至少220ms。适用于各种电源电压操作的重置阈值可用。CXDR75102具有开漏输出级，而CXDR75101具有推拉输出。CXDR75102s开漏复位输出需要一个上拉电阻器，该电阻器可以连接到高于VCC的电压。CXDR75101具有有效的低复位输出。复位比较器被设计成忽略VCC上的快速瞬变，并且输出保证在VCC低至1V的正确逻辑状态。低电源电流使CXDR75101 CXDR75102非常适合用于便携式设备
[ CXDR75101/2 ]
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产品概述 返回TOP
产品特点 返回TOP
„ Precision Monitoring of +3V, +3.3V, and +5V Power-Supply Voltages
„ Fully Specified Over Temperature
„ Available in two Output Configurations Push-Pull RESET Output (CXDR75101) Open-Drain RESET Output (CXDR75102)
„ 220ms min Power-On Reset Pulse Width
„ 10μA Supply Current
„ Guaranteed Reset Valid to VCC = +1V
„ Power Supply Transient Immunity
„ No External Components
„ 3-Pin SOT-23 Packages
应用范围 返回TOP
„ Computers
„ Controllers
„ Intelligent Instruments
„ Critical μP and μC Power Monitoring
„ Portable / Battery-Powered Equipment
„ Automotive
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电路原理图 返回TOP
|
Part NO. |
VCC(V min |
VCC(V max |
Detecting Voltage(V) |
Manual |
Delay (ms) |
VthAcc uracy(%) |
Isupply (μA) |
Note |
Package |
|
1 |
5.5 |
2.93 |
N |
360 |
-- |
9 |
CXDR75101 is a Push-Pull Reset CXDR75102 is an OpenDrain Reset |
SOT23 |
|
|
1 |
5.5 |
3/3.3/5 |
Y |
360 |
2 |
10 |
Push-Pull Active-low RESET Output Manual Reset Input |
SOT143 |
|
|
1.1 |
5.5 |
2.25/2.63 2.93/4.55 |
Y |
200 |
2 |
10 |
CXDR75104/5/6 has a watchdog output CXDR75104/5 has MR# |
SOT23-5 |
|
|
1.1 |
5.5 |
2.25/2.63 2.93/4.55 |
Y |
200 |
2 |
10 |
Push-Pull Output,Dual outputs |
SOT23-5 |
|
|
1 |
5.5 |
2.6/2.9/3.1 3.3/3.9/4.3 |
N |
2 |
2 |
16.5 |
CXDR75108H/L is a Push-Pull High/Low Reset CXDR75109L is an Open-drain Low Reset |
SOT23 SC70-3 TO92/SOT89 |
|
|
1 |
5.5 |
2.3/2.5 |
N |
0.06 |
1.5 |
3.3 |
CXDR75110H is an Open-Drain High Reset CXDR75110L is an Open-Drain Low Reset |
SC70-4 SC82 SOT343 |
|
|
2.5 |
5.5 |
Individual Set by Resistor |
N |
140 |
2.5 |
4 |
CXDR75111H/L is a Push-Pull High/Low Reset CXDR75112L is an Open-Drain Low Reset |
SOT23-5 |
|
|
2.7 |
5.5 |
Individual Se tby Resistor |
Y |
200 |
2 |
18 |
CXDR75113H/L is a Push-Pull High/Low Reset CXDR75114L is an Open-Drain Low Reset |
SOT23-5 |
|
|
1 |
5.5 |
2.63/2.93/ 3.08/4.0/ 4.38/4.63 |
N |
140 |
2 |
10 |
CXDR75115H/L is a Push-Pull High/Low Reset CXDR75116L is an Open-Drain Low Reset |
SOT23 SC70-3 |
|
|
1 |
5.5 |
2.64/2.91/3.1 3.96/4.32/4.6 |
Y |
230 |
2 |
14 |
CXDR75117H/L is a Push-Pull High/Low Reset CXDR75118L is an Open-Drain Low Reset |
SOT25 SC70-5 SOT143 |
◀ 上一篇:CXDR75100手动复位输入监控电路监控微处理器和数字系统中的电源电压监测七种不同的电压通电断电和断电状态下提供复位输出
下一篇▶:CXDR75103手动复位输入推挽和主动低复位输出微处理器监控电路复位比较器VCC上的快速瞬变输出保证在VCC低至1V的正确逻辑状态推拉激活低复位输出
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