DS1817 Dallas Semiconductor, DS1817 Datasheet

no-image

DS1817

Manufacturer Part Number
DS1817
Description
Active High 3.3V EconoReset
Manufacturer
Dallas Semiconductor
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1817
Quantity:
5 510
Part Number:
DS1817
Manufacturer:
ST
Quantity:
5 510
Part Number:
DS1817-10
Manufacturer:
DALLAS
Quantity:
5 510
Part Number:
DS1817-10
Manufacturer:
NSC
Quantity:
5 510
Part Number:
DS1817R-10
Quantity:
5 000
Part Number:
DS1817R-10
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1817R-10+TR
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
DS1817R-20+TR
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
DS1817R-5+TR
Manufacturer:
MAXIM/美信
Quantity:
20 000
FEATURES
DESCRIPTION
The DS1817 EconoReset uses a precision temperature reference and comparator circuit to monitor the
status of the power supply (V
signal is generated which forces reset to the active state. When V
the reset signal is kept in the active state for approximately 150 ms to allow the power supply and
processor to stabilize.
www.dalsemi.com
www.DataSheet4U.com
Automatically restarts a microprocessor after
power failure
Maintains reset for 150 ms after V
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
20% tolerance for use with 3.0-volt systems
Low-cost TO-92 or space saving surface
mount SOT-23 packages available
Push-pull active high output
Operating temperature -40°C to +85°C
CC
). When an out-of-tolerance condition is detected, an internal power-fail
CC
returns
1 of 5
Active High 3.3V EconoReset
PIN ASSIGNMENT
PIN DESCRIPTION
TO-92
1
2
3
SOT-23
1
2
3
See Mech. Drawing
TO-92 PACKAGE
1 2 3
1 2 3
RST
V
GND
RST
V
GND
CC
CC
CC
returns to an in-tolerance condition,
Active High Reset Output
Power Supply
Ground
Active High Reset Output
Power Supply
Ground
SOT-23 PACKAGE
See Mech. Drawing
1
3
2
DS1817
111999

Related parts for DS1817

DS1817 Summary of contents

Page 1

... SOT-23 packages available Push-pull active high output Operating temperature -40°C to +85°C DESCRIPTION The DS1817 EconoReset uses a precision temperature reference and comparator circuit to monitor the status of the power supply (V CC signal is generated which forces reset to the active state. When V the reset signal is kept in the active state for approximately 150 ms to allow the power supply and processor to stabilize ...

Page 2

... OPERATION - POWER MONITOR The DS1817 provides the function of detecting out-of-tolerance power supply conditions and warning a processor based system of impending power failure. When V www.DataSheet4U.com signal is asserted. On power-up, RST is kept active for approximately 150 ms after the power supply has reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST is released ...

Page 3

... TIMING DIAGRAM: POWER-UP Figure 3 www.DataSheet4U.com TIMING DIAGRAM: POWER-DOWN Figure DS1817 ...

Page 4

... DC ELECTRICAL CHARACTERISTICS PARAMETER Output Voltage @ 0-500 A Output Current @ 2.4V Output Current @ 0.4V Operating Current V < 5 Trip Point (DS1817- Trip Point (DS1817-10 Trip Point (DS1817-20) CC Output Capacitance AC ELECTRICAL CHARACTERISTICS PARAMETER RESET Active Time V Detect to RST CC V Slew Rate CC (V (MAX (MIN)) ...

Page 5

... Device Type. 810 - DS1810 811 - DS1811 812 - DS1812 813 - DS1813 815 - DS1815 816 - DS1816 817 - DS1817 818 - DS1818 3.3V. and should not be considered a requirement RPD SOT-23 PACKAGE “D” represents the Device Tolerance DS1817 - 5% - 10% - 15% - 20% ...

Related keywords