DS1815-5/T&R datasheet, PDF - EEWORLD Datasheet

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DS1815-5/T&R: DescriptionSupervisory Circuits ECONRST 3.3V 5% CMOS OUT TO92 T&R; CategoryPower/power management The power supply circuit; File Size114KB，5 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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DS1815-5/T&R Overview

Supervisory Circuits ECONRST 3.3V 5% CMOS OUT TO92 T&R

DS1815-5/T&R Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	TO-92
package instruction	TO-92, 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	O-PBCY-T3
JESD-609 code	e0
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	TO-92
Encapsulate equivalent code	SIP3,.1,50
Package shape	ROUND
Package form	CYLINDRICAL
Peak Reflow Temperature (Celsius)	240
power supply	1.2/5.5 V
Certification status	Not Qualified
Maximum supply current (Isup)	0.035 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)
Nominal supply voltage (Vsup)	3.3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	1.27 mm
Terminal location	BOTTOM
Threshold voltage nominal	+3.06V
Maximum time at peak reflow temperature	20

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DS1815

3.3V EconoReset with Push-Pull Output

www.maxim-ic.com

FEATURES

Automatically restarts a microprocessor after

power failure

Maintains reset for 150ms after V

returns to

an in-tolerance condition

Reduces need for discrete components

Precision temperature-compensated voltage

reference and voltage sensor

Accurate 5%, 10% or 20% power monitoring

Low-cost TO-92 or space saving surface-

mount SOT-23 packages available

Push-pull output for low current operation

Operating temperature -40°C to +85°C

PIN ASSIGNMENT

DALLAS

DS1815

Econo

Reset

1 2 3

BOTTOM VIEW

TO-92 PACKAGE

See Mech.

Drawings Section

On Website

TOP VIEW

SOT-23 PACKAGE

See Mech.

Drawings Section

On Website

PIN DESCRIPTION

TO-92

RST

GND

Active Low Reset Output

Power Supply

Ground

SOT-23

RST

GND

Active Low Reset Output

Power Supply

Ground

DESCRIPTION

The DS1815 EconoReset uses a precision temperature reference and comparator circuit to monitor the

status of the power supply (V

). When an out-of-tolerance condition is detected, an internal power-fail

signal is generated which forces reset to the active state. When V

returns to an in-tolerance condition,

the reset signal is kept in the active state for approximately 150ms to allow the power supply and

processor to stabilize.

1 of 5

041002

DS1815-5/T&R Related Products

	DS1815-5/T&R	DS1815-5	DS1815R-5-U	DS1815R-20/T&R	DS1815-20/T&R
Description	Supervisory Circuits ECONRST 3.3V 5% CMOS OUT TO92 T&R	Supervisory Circuits 3.3V EconoReset w/ Push-Pull Output	Supervisory Circuits 3.3V EconoReset w/ Push-Pull Output	Supervisory Circuits	Supervisory Circuits ECONORST 3.3V 20% CMOS OUT TO92 T&R
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim	Maxim	Maxim
Parts packaging code	TO-92	TO-92	SOT-23	SOT-23	TO-92
package instruction	TO-92, 3 PIN	TO-92, 3 PIN	SOT-23, 3 PIN	SOT-23, 3 PIN	TO-92, 3 PIN
Contacts	3	3	3	3	3
Reach Compliance Code	not_compliant	not_compliant	not_compliant	not_compliant	not_compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99
Adjustable threshold	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
JESD-30 code	O-PBCY-T3	O-PBCY-T3	R-PDSO-G3	R-PDSO-G3	O-PBCY-T3
JESD-609 code	e0	e0	e0	e0	e0
Number of channels	1	1	1	1	1
Number of functions	1	1	1	1	1
Number of terminals	3	3	3	3	3
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TO-92	TO-92	TSOP	TSOP	TO-92
Package shape	ROUND	ROUND	RECTANGULAR	RECTANGULAR	ROUND
Package form	CYLINDRICAL	CYLINDRICAL	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	CYLINDRICAL
Peak Reflow Temperature (Celsius)	240	240	245	240	240
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Nominal supply voltage (Vsup)	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	NO	NO	YES	YES	NO
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	TIN LEAD	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE	THROUGH-HOLE	GULL WING	GULL WING	THROUGH-HOLE
Terminal pitch	1.27 mm	1.27 mm	0.95 mm	0.95 mm	1.27 mm
Terminal location	BOTTOM	BOTTOM	DUAL	DUAL	BOTTOM
Maximum time at peak reflow temperature	20	20	NOT SPECIFIED	20	20
Encapsulate equivalent code	SIP3,.1,50	SIP3,.1,50	-	TO-236	SIP3,.1,50
power supply	1.2/5.5 V	1.2/5.5 V	-	1.2/5.5 V	1.2/5.5 V
Maximum supply current (Isup)	0.035 mA	0.035 mA	-	0.035 mA	0.035 mA
technology	CMOS	CMOS	-	CMOS	CMOS
Threshold voltage nominal	+3.06V	+3.06V	-	+2.55V	+2.55V
Factory Lead Time	-	1 week	1 week	1 week	-

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