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MAX6701, MAX6701A, MAX6702, MAX6702A, MAX6703, MAX6703A, MAX6704, MAX6705, MAX6705A, MAX6706, MAX6706A, MAX6707, MAX6707A, MAX6708
전원 고장 입/출력, 수동 리셋 기능 및 워치독 타이머가 내장된 저전압, SOT23 µP 감시소자


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English Download this datasheet in PDF format다운로드
The MAX6701—MAX6708 microprocessor (µP) supervisory circuits reduce the complexity and components required to monitor power-supply functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.

The MAX6701—MAX6708 family provides four functions: a reset output during power-up, power-down, and brownout conditions; an independent watchdog output that goes low if the watchdog input has not been toggled within 1.6s; a 0.62V threshold detector for power-fail warning; and an active-low manual reset input.

The MAX6701—MAX6708 family offers several pinout options to accommodate a variety of multivoltage microprocessor supervision applications.

The MAX6701(A)/MAX6702(A)/MAX6703(A) monitor three supply voltages (one fixed threshold and two adjustable) to drive a single reset output and include a manual reset input and a watchdog timer with an independent output. The MAX6704 monitors a single-supply voltage to drive complementary reset outputs and includes an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a reset-based watchdog timer. The MAX6705(A)/MAX6706(A)/MAX6707(A) monitor a single-supply voltage to drive a single reset output and include an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a watchdog timer with an independent output. The MAX6708 is the same as the MAX6704 but without the watchdog timer function.

See the Detailed Description for differences between non-A and A versions.

주요기능   애플리케이션/용도
  • Small 8-Pin SOT23 Package
  • Precision Monitoring of +5.0V, +3.3V, +3.0V, +2.5V Supply Voltages
  • 140ms Reset Timeout Delay
  • Power-Fail Input with Independent Output; Monitor Inputs Down to 0.62V (MAX6704—MAX6708)
  • Dual Adjustable Reset Input for Triple-Voltage Monitoring (MAX6701(A)/MAX6702(A)/MAX6703(A))
  • 1.6s Watchdog Timeout Period (MAX6701(A)—MAX6707(A))
  • Independent Watchdog Output (MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/MAX6706(A)/MAX6707(A))
  • Manual Reset Input
  • Four Reset Output Stage Options
    • Active Low Push-Pull (MAX6701(A), MAX6705(A))
    • Active Low Open Drain (MAX6703(A), MAX6707(A))
    • Active High Push-Pull (MAX6702(A), MAX6706(A))
    • Dual Active Low/High Push-Pull (MAX6704, MAX6708)
  • Guaranteed Reset Valid to VCC = 1V
  • Immune to Short Falling VCC Transients
  • Low Cost, Few External Components
 

다이어그램
MAX6701, MAX6701A, MAX6702, MAX6702A, MAX6703, MAX6703A: Pin Configuration
핀 구성

MAX6704, MAX6705, MAX6705A, MAX6706, MAX6706A, MAX6707, MAX6707A, MAX6708: Pin Configuration
핀 구성

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    문서 레퍼런스 19-1952; 개정판 3; 2006-06-02
    이 페이지는 최근에 변경됨: 2009-10-26


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