MAX6466UR31-T datasheet, PDF - EEWORLD Datasheet

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MAX6466UR31-T: DescriptionSupervisory Circuits Single uPower Voltage Monitor; CategoryPower/power management The power supply circuit; File Size179KB，10 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX6466UR31-T Overview

Supervisory Circuits Single uPower Voltage Monitor

MAX6466UR31-T Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	SOT-23
package instruction	SOT-23, 3 PIN
Contacts	3
Reach Compliance Code	not_compliant
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
JESD-609 code	e0
length	2 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	3
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TO-236
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	245
power supply	1.2/6 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply current (Isup)	0.0035 mA
Maximum supply voltage (Vsup)	6 V
Minimum supply voltage (Vsup)	1 V
Nominal supply voltage (Vsup)	3.6 V
surface mount	YES
technology	BICMOS
Temperature level	AUTOMOTIVE
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.25 mm

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19-2533; Rev 2; 12/05

Ultra-Low-Power Voltage Detectors and

µP Supervisory Circuits

General Description

The MAX6461–MAX6466 family of ultra-low-power voltage

detectors and µP reset supervisory circuits monitors bat-

tery, power-supply, and system voltages. Each circuit

includes a precision bandgap reference, a comparator,

internally trimmed resistor networks that set specified trip

thresholds, and an internal 5% threshold hysteresis circuit

(see the

Functional Diagram).

Output is asserted when

falls below the internal V

TH-

and remains asserted

until V

rises above V

+ (V

+ = V

1.05). These

devices provide excellent circuit reliability and low cost

by eliminating external components and adjustments

when monitoring nominal system voltages from +1.6V to

+5.5V. The MAX6461/MAX6462/MAX6463 are voltage

detectors with a propagation delay of 17µs.

The MAX6464/MAX6465/MAX6466 are µP supervisory

circuits with a minimum reset timeout period of 150ms. All

devices are available with thresholds from +1.6V to +5.5V

in 100mV increments.

The family is available with three output stage options:

push-pull with active-low output, push-pull with active-

high output, and open drain with active-low output. These

devices are available in SC70 and SOT23 packages

specified over the -40°C to +125°C temperature range.

♦

Ultra-Low 1.0µA Supply Current

♦

Preset Thresholds from +1.6V to +5.5V in 100mV

Increments

♦

Internal 5% Threshold Hysteresis

♦

±2.5% Threshold Accuracy Over Temperature

♦

Internal Timeout Period Option (150ms min)

♦

Immune to Short Voltage Transients

♦

No External Components

♦

Available in Three Output Options: Push-Pull

(Active Low/Active High) and Open Drain (Active

Low)

♦

Fully Specified from -40°C to +125°C

♦

Small SC70 and SOT23 Packages

Features

MAX6461–MAX6466

Ordering Information

PART

MAX6461XR_

_-T

MAX6461UR_ _-T

MAX6461UK_ _-T

MAX6462XR_

_-T

MAX6462UR_ _-T

MAX6462UK_ _-T

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

3 SC70-3

3 SOT23-3

5 SOT23-5

3 SC70-3

3 SOT23-3

5 SOT23-5

Applications

Precision Battery Monitoring

Load Switching/Power Sequencing

Power-Supply Monitoring in Digital/Analog

Systems

Noise-Immune µP Reset Circuits

Portable/Battery-Powered Equipment

Cellular Phones/Cordless Phones

PDAs

Portable Medical Devices

The MAX6461–MAX6466 are available in factory-set thresholds

from 1.6V to 5.5V in approximately 100mV increments. Choose

the desired voltage threshold suffix from Table 1 and insert it in

the blank spaces in the part number. There are 30 standard ver-

sions with a required order increment of 2500 pieces. Sample

stock generally is held on the standard versions only (Table 2).

Nonstandard versions require a 10k-piece order increment.

Contact factory for availability. All devices available in tape-and-

reel only.

Devices are available in both leaded and lead-free packaging.

Specify lead-free by replacing “-T” with “+T” when ordering.

Ordering Information continued at end of data sheet.

Selector Guide appears at end of data sheet.

Pin Configurations

TOP VIEW

GND 1

N.C.

(OUT)/OUT 1

MAX6461–

MAX6466

(OUT)/OUT 2

GND 2

MAX6461–

MAX6466

GND 2

(OUT)/OUT

MAX6461–

MAX6466

SC70-3

( ) ARE FOR THE MAX6462/MAX6465 ONLY

GND 3

SOT23-3

SOT23-5

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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