MAX818M Selling Leads, Price trend, MAX818M DataSheet download, circuit diagram from SeekIC.com

Features: Precision Supply-Voltage Monitor: 4.65V (MAX81_L) 4.40V (MAX81_M) 11A Quiescent Supply Current 200ms Reset Time Delay Watchdog Timer with 1.6sec Timeout (MAX817/MAX818) Battery-Backup Power Switching; Battery Voltage Can Exceed VCC Battery Freshness Seal On-Board, 3ns Gating of ...

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SeekIC No. : 004412227 Detail

MAX818M: Features: Precision Supply-Voltage Monitor: 4.65V (MAX81_L) 4.40V (MAX81_M) 11A Quiescent Supply Current 200ms Reset Time Delay Watchdog Timer with 1.6sec Timeout (MAX817/MAX818) Battery-Back...

MAX818M Data Sheet

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Part Number:: MAX818M
Supply Ability:: 5000

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Upload time: 2024/11/27

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Product Details

Description

Features:

Precision Supply-Voltage Monitor: 4.65V (MAX81_L) 4.40V (MAX81_M)
11A Quiescent Supply Current
200ms Reset Time Delay
Watchdog Timer with 1.6sec Timeout (MAX817/MAX818)
Battery-Backup Power Switching; Battery Voltage Can Exceed V_CC
Battery Freshness Seal
On-Board, 3ns Gating of Chip-Enable Signals (MAX818)
Uncommitted Voltage Monitor for Power-Fail or Low-Battery Warning (MAX817/MAX819)
Manual Reset Input (MAX819)

Application

The MAX817/MAX818/MAX819 are protected for typical short-circuit conditions of 10sec or less. Shorting OUT to ground for longer than 10sec destroys the device. Decouple VC_C, OUT, and BATT to ground by placing 0.1F capacitors as close to the device as possible.

Pinout

Connection Diagram

Specifications

Input Voltage
    V_CC, BATT .......................................................................-0.3V to +6.0V
    All Other Pins (Note 1).....................................................-0.3V to (V_CC+ 0.3V)
Input Current
    V_CC Peak .........................................................................1A
    V_CC Continuous ...............................................................250mA
    BATT Peak .......................................................................250mA
    BATT Continuous ............................................................50mA
   GND..................................................................................25mA
Output Current
   OUT..................................................................................250mA
   All Other Outputs ............................................................25mA
   OUT Short-Circuit Duration..............................................10sec
Continuous Power Dissipation (TA = +70°C)
   Plastic DIP (derate 9.09mW/°C above +70°C) .............727mW
   SO (derate 5.88mW/°C above +70°C)..........................471mW
   MAX (derate 4.10mW/°C above +70°C) .....................330mW
Operating Temperature Ranges
   MAX81_ _C_A ..................................................................0°C to +70°C
   MAX81_ _E_A .................................................................-40°C to +85°C
   Storage Temperature Range ..........................................-65°C to +160°C
   Lead Temperature (soldering, 10sec) .............................+300°C

Description

The MAX818M microprocessor (P) supervisory circuits simplify power-supply monitoring, battery control, and chip-enable gating in P systems by reducing the number of components required. These MAX818M are designed for use in +5V-powered systems. Low supply current (11A typical) and small package size make these devices ideal for portable applications. The MAX817/MAX818/MAX819 are specifically designed to ignore fast transients on V_CC. Other supervisory functions of MAX818M include active-low reset, backupbattery switchover, watchdog input, battery freshness seal, and chip-enable gating. The Selector Guide below lists the specific functions available from each device.

These MAX818M offer two pretrimmed reset threshold voltages for ±5% or ±10% power supplies: 4.65V for the L versions and 4.40V for the M versions. The MAX817/ MAX818/MAX819 are available in space-saving MAX packages, as well as 8-pin DIP/SO.

MAX818M

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