MAX809SQ308T1G

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MAX809SQ308T1G

IC SUPERVISOR 1 CHANNEL SC70-3

  • Hersteller
  • Fr. Teil #MAX809SQ308T1G
  • Paket SC-70-3
  • Datenblatt
  • Auf Lager5748

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 3.08V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 140ms Minimum
OperatingTemperature -40°C ~ 105°C (TJ)
MountingType Surface Mount
Package/Case SC-70, SOT-323

Übersicht

Description

MAX809SQ308T1G is a fixed-threshold microprocessor reset supervisor from Maxim Integrated (now Analog Devices). It monitors Vcc and generates a deterministic reset signal for a microcontroller or digital IC on power-up and during brown-out. The SQ308 variant uses a fixed 3.08 V trip point (suitable for 3.0–3.3 V rails). It provides an active-low reset output and includes a manual reset input for a user-initiated reset. No external components are required; it features low quiescent current and an internal power-on reset delay to ensure a clean reset, and comes in an 8-pin T1G RoHS-compliant package. Applications: MCUs/CPUs, DSPs, memory, and other digital devices in portable, embedded, and automotive environments. For exact specs (voltage range, reset timeout, current, and pinout), consult the datasheet.

Features

Here are the typical features of the MAX809SQ308T1G (fixed 3.08V version):
- Fixed 3.08V threshold voltage detector for MCU/processor reset
- Reset output is asserted on undervoltage and released after Vcc rises above threshold
- No external components required (integrated supervisor)
- Very low quiescent current (ultra-low power)
- Wide operating supply range (approximately 2.7V to 5.5V)
- Fast, reliable power-on/reset with internal timing to tolerate glitches
- Industrial temperature range (typical -40°C to +85°C)
- Small, RoHS-compliant package (SQ308) with tape-and-reel options
Note: For exact electrical specs (tolerances, timeout, output type), refer to the datasheet for MAX809SQ308T1G.

Package

It uses a 3-pin SOT23 (SC-70) package.

Pinout

- Pin count: 6 pins (SC-70-6 package).
- Function: 3.08V-threshold microprocessor reset supervisor. It monitors Vcc and asserts a low RESET output when Vcc is below threshold or when the Manual Reset (MR) input is asserted. Two pins are typically No Connect.

Manufacturer

- Manufacturer: Maxim Integrated (now part of Analog Devices, Inc.).
- What kind of company: A global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.

Application

Application areas of MAX809SQ308T1G include:
- Microcontroller/digital IC reset supervision
- Power-on reset and brown-out protection for 3.3V systems
- Battery-powered/portable electronics needing deterministic reset
- Automotive, industrial, and telecom equipment with 3.3V logic
- Data acquisition and embedded systems requiring a clean reset signal
Note: Threshold is around 3.08V to generate a reset when Vcc falls below that level.

Equivalent

MAX809SQ308T1G is a 3.08 V reset supervisor with manual reset and open-drain output. Equivalent devices include:
- TI TLV803 and TPS3839-3.0/3.08V series
- Analog Devices ADM803/ADM809
- Microchip MCP130/MCP131/MCP132 family
- Onsemi CAT8xx family (e.g., CAT803/CAT810)
Note: verify identical threshold, reset polarity, timing, and package when cross-referencing.

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