ADM8690ARN-REEL datasheet, PDF

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ADM8690ARN-REEL: Description2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, MS-012AA, SOIC-8; CategoryPower/power management The power supply circuit; File Size1MB，21 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/

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2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, MS-012AA, SOIC-8

ADM8690ARN-REEL Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Maker	Rochester Electronics
Parts packaging code	SOIC
package instruction	MS-012AA, SOIC-8
Contacts	8
Reach Compliance Code	unknown
Other features	RESET THRESHOLD VOLTAGE IS 4.65V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Humidity sensitivity level	1
Number of channels	2
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	240
Maximum seat height	1.75 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm
Base Number Matches	1

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TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Product Highlights ........................................................................... 1

Functional Block Diagrams ............................................................. 1

Revision History ............................................................................... 2

General Description ......................................................................... 3

Specifications..................................................................................... 4

Absolute Maximum Ratings ............................................................ 6

ESD Caution .................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ............................................. 8

Circuit Information ........................................................................ 10

Battery Switchover Section........................................................ 10

Power-Fail RESET Output......................................................... 10

Watchdog Timer RESET............................................................ 11

Watchdog Output (WDO) ........................................................ 12

CE Gating and RAM Write Protection

(ADM8691/ADM8693/ADM8695) ......................................... 12

Power-Fail Warning Comparator ............................................. 13

Application Information ................................................................ 14

Increasing the Drive Current .................................................... 14

Using a Rechargeable Battery for Backup ............................... 14

Adding Hysteresis to the Power-Fail Comparator ................. 14

Monitoring the Status of the Battery ....................................... 14

Alternate Watchdog Input Drive Circuits ............................... 15

Typical Applications ....................................................................... 16

ADM8690 and ADM8692 ......................................................... 16

ADM8691, ADM8693, and ADM8695 ................................... 16

RESET Output ............................................................................ 16

Power-Fail Detector ................................................................... 17

RAM Write Protection............................................................... 17

Watchdog Timer ......................................................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 19

REVISION HISTORY

6/11—Rev.

A to Rev. B

Deleted ADM8694......................................................... Throughout

Updated Figure 11, Figure 12, and Figure 13................................ 9

Updated Outline Dimensions ....................................................... 18

9/06—Rev. 0 to Rev. A

Updated Format .................................................................. Universal

Changes to Absolute Maximum Ratings ....................................... 6

Updated Ordering Guide ............................................................... 20

2/97—Revision 0: Initial Version

Rev. B | Page 2 of 20

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