MAX6461UK28+T datasheet, PDF - EEWORLD Datasheet

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MAX6461UK28+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; Environmental Compliance

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MAX6461UK28+T Overview

supervisory circuits single upower voltage monitor

MAX6461UK28+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SOT-23
package instruction	LSSOP,
Contacts	5
Reach Compliance Code	compliant
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G5
length	2.9 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	1.45 mm
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 form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 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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