DS1831E datasheet, PDF - EEWORLD Datasheet

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DS1831E: Description4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, 0.300 INCH, DIP-16; CategoryPower/power management The power supply circuit; File Size874KB，16 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Related ProductsFound1parts with similar functions to DS1831E

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DS1831E Overview

4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, 0.300 INCH, DIP-16

DS1831E Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	DIP
package instruction	DIP,
Contacts	16
Reach Compliance Code	unknown
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDIP-T16
JESD-609 code	e0
length	19.175 mm
Humidity sensitivity level	1
Number of channels	4
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	240
Certification status	COMMERCIAL
Maximum seat height	4.572 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1 V
Nominal supply voltage (Vsup)	2.5 V
surface mount	NO
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	7.62 mm
Base Number Matches	1

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DS1831C/D/E

OPERATION—POWER MONITOR

The DS1831 provides the functions of detecting out-of-tolerance conditions on a 3.3V (or 3V) and 2.5V

power supply and warning a processor based system of impending power failure. When an input is

detected as out-of-tolerance on either voltage input the

RST

for that supply will be forced active low.

When that input returns to a valid state the associated

RST

will remain active for the time delay selected

with the associated TD input and then return to an inactive state until the next input out-of-tolerance

condition.

On power-up both resets are kept active for the selected reset time after the associated power supply input

has reached the selected tolerance. This allows the power supply and system power to stabilize before

RST

is released.

All internal operating current for the DS1831 will be supplied by either the IN

3.3V

or IN

2.5V

input which

ever has the highest voltage level.

OPERATION—TOLERANCE SELECT

The DS1831 provides two TOL inputs for individual customization of the DS1831 to specific application

requirements. If the TOL for the 2.5V supply is tied to the 2.5V input a 5% tolerance is selected. If the

TOL is connected to ground a 10% tolerance is selected or if it is left unconnected a 15% tolerance is

selected. If the TOL for the 3.3V supply is tied to the 3.3V input a 5% tolerance is selected, a 10%

tolerance is selected if it is connected to ground, and a 20% tolerance is selected if the input is left

unconnected. These tolerance conditions are set at power up and can only be changed by power cycling

the device.

OPERATION—RESET TIME-DELAY SELECT

The DS1831 provides two TD inputs for individual customization of reset time delays and an additional

one for the DS1831D watchdog. TD inputs select time delays for the IN

2.5V

and IN

3.3V

resets outputs and

the Watchdog on the DS1831D. The reset time delays are shown in Table 1. These allow the selection of

minimum delays of 10ms, 100ms, and 1000ms.

Wiring an individual reset output to the pushbutton input of the other voltage reset allows custom reset

timings or allows for the sequencing of the reset outputs. See Figure 2.

These time delays are set at power-up and cannot be changed after the device reaches an in-tolerance

condition.

TD INPUTS/RESET AND WATCHDOG TIME-DELAYS

Table 1

GND

Float

MIN

10ms

100ms

1000ms

RESET TIME-DELAY

TYP

16ms

160ms

1600ms

MAX

20ms

200ms

2000ms

4 of 15

DS1831E Related Products

	DS1831E	DS1831CS	DS1831DS	DS1831D	DS1831C+	DS1831C
Description	4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, 0.300 INCH, DIP-16	4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, 0.150 INCH, SOIC-16	4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16, 0.150 INCH, SOIC-16	4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP16, 0.300 INCH, DIP-16	4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, 0.300 INCH, DIP-16	4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, 0.300 INCH, DIP-16
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead	Lead free	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	conform to	incompatible
Parts packaging code	DIP	SOIC	SOIC	DIP	DIP	DIP
package instruction	DIP,	SOP,	SOP,	DIP,	DIP,	DIP,
Contacts	16	16	16	16	16	16
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown
Adjustable threshold	NO	NO	NO	NO	NO	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDIP-T16	R-PDSO-G16	R-PDSO-G16	R-PDIP-T16	R-PDIP-T16	R-PDIP-T16
JESD-609 code	e0	e0	e0	e0	e3	e0
length	19.175 mm	9.9 mm	9.9 mm	19.175 mm	19.175 mm	19.175 mm
Humidity sensitivity level	1	1	1	1	1	1
Number of channels	4	4	4	4	4	4
Number of functions	1	1	1	1	1	1
Number of terminals	16	16	16	16	16	16
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	DIP	SOP	SOP	DIP	DIP	DIP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	IN-LINE	IN-LINE
Peak Reflow Temperature (Celsius)	240	245	245	240	260	240
Certification status	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Maximum seat height	4.572 mm	1.75 mm	1.75 mm	4.572 mm	4.572 mm	4.572 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 V	1 V	1 V	1 V	1 V	1 V
Nominal supply voltage (Vsup)	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V
surface mount	NO	YES	YES	NO	NO	NO
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	MATTE TIN	TIN LEAD
Terminal form	THROUGH-HOLE	GULL WING	GULL WING	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	2.54 mm	1.27 mm	1.27 mm	2.54 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	20	NOT SPECIFIED	NOT SPECIFIED	20	NOT SPECIFIED	20
width	7.62 mm	3.9 mm	3.9 mm	7.62 mm	7.62 mm	7.62 mm
Base Number Matches	1	1	1	1	1	1

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