Datasheet > ICL7673CPA

ICL7673CPA

更新时间： 2024-01-04 20:58:15

品牌	Logo	应用领域
英特矽尔 - INTERSIL		电池
页数	文件大小	规格书
7页	141K
描述
Automatic Battery Back-Up Switch

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ICL7673CPA 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	, CAN8,.2	Reach Compliance Code：	unknown
风险等级：	5.76	JESD-30 代码：	O-MBCY-W8
JESD-609代码：	e0	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-25 °C
封装主体材料：	METAL	封装等效代码：	CAN8,.2
封装形状：	ROUND	封装形式：	CYLINDRICAL
电源：	2.5/15 V	认证状态：	Not Qualified
子类别：	Power Management Circuits	最大供电电流 (Isup)：	0.005 mA
技术：	CMOS	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	WIRE
端子位置：	BOTTOM	Base Number Matches：	1

ICL7673CPA 数据手册

ICL7673

Data Sheet

April 1999

FN3183.2

Automatic Battery Back-Up Switch

Features

The Intersil ICL7673 is a monolithic CMOS battery backup

circuit that offers unique performance advantages over

conventional means of switching to a backup supply. The

ICL7673 is intended as a low-cost solution for the switching

of systems between two power supplies; main and battery

backup. The main application is keep-alive-battery power

switching for use in volatile CMOS RAM memory systems

and real time clocks. In many applications this circuit will

represent a low insertion voltage loss between the supplies

and load. This circuit features low current consumption, wide

operating voltage range, and exceptionally low leakage

between inputs. Logic outputs are provided that can be used

to indicate which supply is connected and can also be used

to increase the power switching capability of the circuit by

driving external PNP transistors.

• Automatically Connects Output to the Greater of Either

Input Supply Voltage

• If Main Power to External Equipment is Lost, Circuit Will

Automatically Connect Battery Backup

• Reconnects Main Power When Restored

• Logic Indicator Signaling Status of Main Power

• Low Impedance Connection Switches

• Low Internal Power Consumption

• Wide Supply Range: . . . . . . . . . . . . . . . . . . . 2.5V to 15V

• Low Leakage Between Inputs

• External Transistors May Be Added if Very Large

Currents Need to Be Switched

Applications

Ordering Information

• On Board Battery Backup for Real-Time Clocks,

Timers, or Volatile RAMs

PART

NUMBER

TEMP. RANGE

( C)

PACKAGE

PKG. NO.

E8.3

• Over/Under Voltage Detector

• Peak Voltage Detector

• Other Uses:

ICL7673CPA

ICL7673CBA

ICL7673ITV

0 to 70

25 to 85

8 Ld PDIP8

8 Ld SOIC (N) M8.15

8 Ld Metal Can T8.C

- Portable Instruments, Portable Telephones, Line

Operated Equipment

Pinouts

ICL7673 (SOIC, PDIP)

Functional Block Diagram

TOP VIEW

BAR

GDN

ICL7673 (CAN)

TOP VIEW

BAR

GND

6 PBAR

> V , P1 SWITCH ON AND P

SWITCH ON

BAR

> V , P2 SWITCH ON AND S

SWITCH ON

BAR

SBAR

GND

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.

3-81

12 3 4 5 6 7

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