TC1279-10ENB datasheet, PDF - EEWORLD Datasheet

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TC1279-10ENB: Description1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3; CategoryPower/power management The power supply circuit; File Size424KB，12 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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TC1279-10ENB Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3

TC1279-10ENB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	SOT-23
package instruction	SOT-23B, 3 PIN
Contacts	3
Reach Compliance Code	unknow
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3
JESD-609 code	e3
length	2.86 mm
Humidity sensitivity level	1
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	TSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.12 mm
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 (Sn)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	1.3 mm
Base Number Matches	1

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TC1278/TC1279

3-Pin Reset Monitors for 5V Systems

Features

•

Precision V

Monitor for 5.0V System Supplies

250msec Minimum RESET Output Duration

Output Valid to V

= 1.2V

Transient Immunity

Small 3-Pin SOT-23B Package

No External Components

General Description

The TC1278/TC1279 are cost-effective system super-

visor circuits designed to monitor V

in digital systems

and provide a reset signal to the host processor when

necessary. No external components are required.

The reset output is driven active within 5µsec of V

falling through the reset voltage threshold. RESET is

maintained active for a minimum of 250msec after V

rises above the reset threshold. The TC1278 has an

active-high RESET output while the TC1279 has an

active-low RESET output, and both devices have an

open drain output stage. The output is valid down to

= 1.2V. Both devices are available in a 3-Pin SOT-

23B package.

Applications

•

Computers

Embedded Systems

Battery Powered Equipment

Critical

µP

Power Supply Monitoring

Device Selection Table

Part

Number

Order

Package

Temp.

Range

Typical Operating Circuit

RESET

Processor

RESET

Input

TC1278-xENB Open Drain 3-Pin SOT-23B -40°C to +85°C

TC1279-xENB Open Drain 3-Pin SOT-23B -40°C to +85°C

NOTE:

“x” denotes a suffix for V

threshold (see table below).

TC1279

GND

Suffix

Reset V

Threshold (V)

4.625

4.375

4.125

Package Type

3-Pin SOT-23B

RESET

TC1278-xENB

TC1279-xENB

GND

NOTE:

3-Pin SOT-23B is equivalent to JEDEC TO-236

2002 Microchip Technology Inc.

DS21384B-page 1

TC1279-10ENB Related Products

	TC1279-10ENB	TC1279-5ENB	TC1278-5ENB	TC1279-15ENB	TC1278-15ENB	TC1279	TC1278	TC1278-10ENB
Description	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	-	-	conform to
Parts packaging code	SOT-23	SOT-23	SOT-23	SOT-23	SOT-23	-	-	SOT-23
package instruction	SOT-23B, 3 PIN	SOT-23B, 3 PIN	SOT-23B, 3 PIN	SOT-23B, 3 PIN	SOT-23B, 3 PIN	-	-	SOT-23B, 3 PIN
Contacts	3	3	3	3	3	-	-	3
Reach Compliance Code	unknow	unknow	unknow	unknow	unknow	-	-	unknow
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	-	-	EAR99
Adjustable threshold	NO	NO	NO	NO	NO	-	-	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	-	-	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G3	R-PDSO-G3	R-PDSO-G3	R-PDSO-G3	R-PDSO-G3	-	-	R-PDSO-G3
JESD-609 code	e3	e3	e3	e3	e3	-	-	e3
length	2.86 mm	2.86 mm	2.86 mm	2.86 mm	2.86 mm	-	-	2.86 mm
Humidity sensitivity level	1	1	1	1	1	-	-	1
Number of channels	1	1	1	1	1	-	-	1
Number of functions	1	1	1	1	1	-	-	1
Number of terminals	3	3	3	3	3	-	-	3
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	-	-	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-	-	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY
encapsulated code	TSOP	TSOP	TSOP	TSOP	TSOP	-	-	TSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	-	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	-	-	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	260	260	260	260	260	-	-	260
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-	-	Not Qualified
Maximum seat height	1.12 mm	1.12 mm	1.12 mm	1.12 mm	1.12 mm	-	-	1.12 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	-	-	5.5 V
Minimum supply voltage (Vsup)	1.2 V	1.2 V	1.2 V	1.2 V	1.2 V	-	-	1.2 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V	5 V	-	-	5 V
surface mount	YES	YES	YES	YES	YES	-	-	YES
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	-	-	INDUSTRIAL
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-	-	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	-	-	GULL WING
Terminal pitch	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm	-	-	0.95 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	-	-	DUAL
Maximum time at peak reflow temperature	40	40	40	40	40	-	-	40
width	1.3 mm	1.3 mm	1.3 mm	1.3 mm	1.3 mm	-	-	1.3 mm

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