PT7M6449BLTA3E datasheet, PDF - EEWORLD Datasheet

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PT7M6449BLTA3E: DescriptionPower Supply Support Circuit, Fixed, 1 Channel, +4.9VV, PDSO3, LEAD FREE, SOT-23, 3 PIN; CategoryPower/power management The power supply circuit; File Size559KB，14 Pages; ManufacturerDiodes; Websitehttp://www.diodes.com/; Environmental Compliance

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PT7M6449BLTA3E Overview

Power Supply Support Circuit, Fixed, 1 Channel, +4.9VV, PDSO3, LEAD FREE, SOT-23, 3 PIN

PT7M6449BLTA3E Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Diodes
package instruction	LSSOP, TO-236
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	DETECTION THRESHOLD VOLTAGE IS 4.9V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
JESD-609 code	e3
length	2.92 mm
Number of channels	1
Number of functions	1
Number of terminals	3
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	TO-236
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	1.5/5 V
Certification status	Not Qualified
Maximum seat height	1.25 mm
Maximum supply current (Isup)	0.002 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1.2 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Threshold voltage nominal	+4.9V
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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PT7M6418 -6450CL/CH

/NL/BL/NLL/CLB

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P

Supervisor

Features



High accuracy:

2%

(25°

Low power consumption: 0.6μA @ 3V Vcc

Detecting voltage range: 1.8 to 5V in 100mV

increments

Operating voltage range: 1.2V ~ 5.5V

Operating temperature range: -40° to + 85°

Detecting voltage accuracy over temperature:



TYP

Output configuration: N-channel open drain or CMOS

Reset timeout period at least 120ms

2.5%

Description

The PT7M64xx series are µ supervisory circuits with

a minimum reset timeout period of 120ms. Each circuit

includes a precise bandgap reference; a comparator, a

reset timeout circuit, internally trimmed resistor

networks that set specified trip thresholds, and an

internal 5% threshold hysteresis circuit (see the

Block

Diagram).

Output is asserted when V

falls below the

internal V

TH-

and remains asserted until V

rises above

TH+

= V

TH-

×1.05)

after a reset timeout period.

These devices provide excellent circuit reliability and

low cost by eliminating external components and

adjustments when monitoring normal systems voltage

from +1.8V to +5V in 100mV increments. The series

are voltage detectors with a propagation delay of 35µ

The family is available with four output stage options:

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

high output, open drain with active-low output and

bidirection port with active-low output and pushbutton

reset input. These devices specified over the -40° to

+85° temperature range.

Table 1. Function comparison

Reset Output

Item

Part No.

PT7M64xxCL

PT7M64xxCH

PT7M64xxNL

PT7M64xxNLL

PT7M64xxBL

Open-Drain

Active high

Active low



Push-Pull

Active high Active low



Reset

bi-direction



1.8V to 5.0V

in 100mV

increments

Threshold

12-07-0002

PT0200-10

07/05/12

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