Datasheet > SG1543J/883B

SG1543J/883B

更新时间： 2024-01-01 09:37:22

品牌	Logo	应用领域
美高森美 - MICROSEMI		输出元件监控
页数	文件大小	规格书
6页	121K
描述
POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT

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技术参数
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替代型号

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SG1543J/883B 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	DIP, DIP16,.3	Reach Compliance Code：	unknown
风险等级：	5.74	可调阈值：	YES
JESD-30 代码：	R-XDIP-T16	JESD-609代码：	e0
端子数量：	16	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC
封装代码：	DIP	封装等效代码：	DIP16,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
电源：	4.5/40 V	认证状态：	Not Qualified
筛选级别：	MIL-STD-883 Class C	子类别：	Power Management Circuits
最大供电电流 (Isup)：	10 mA	表面贴装：	NO
技术：	BIPOLAR	温度等级：	MILITARY
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
Base Number Matches：	1

SG1543J/883B 数据手册

SG1543/SG2543/SG3543

POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT

DESCRIPTION

FEATURES

• Over-voltage, under-voltage, and

current sensing circuits all

included

• Reference voltage trimmed to 1%

accuracy

• SCR "Crowbar" drive of 300mA

• Programmable time delays

• Open-collector outputs and

remote activation capability

• Total standby current less than

10mA

This monolithic integrated circuit contains all the functions necessary to monitor and

control the output of a sophisticated power supply system. Over-voltage (O.V.) sensing

with provision to trigger an external SCR “crowbar” shutdown; an under-voltage (U.V.)

circuit which can be used to monitor either the output or to sample the input line voltage;

and a third op amp/comparator usable for current sensing (C.L.) are all included in this

IC, together with an independent, accurate reference generator.

Both over and under-voltage sensing circuits can be externally programmed for mini-

mum time duration of fault before triggering. All functions contain open collector outputs

which can be used independently or wire-ORed together; and although the SCR trigger

is directly connected only to the over-voltage sensing circuit, it may be optionally

activated by any of the other outputs, or from an external signal. The O.V. circuit also

includes an optional latch and external reset capability.

HIGH RELIABILITY FEATURES

- SG1543

The current sense circuit may be used with external compensation as a linear amplifier

or as a high gain comparator. Although nominally set for zero input offset, a fixed

threshold may be added with an external resistor. Instead of current limiting, this circuit

may also be used as an additional voltage monitor.

♦ Available to MIL-STD-883 and

DESC SMD

♦ LMI level "S" processing avail-

able

The reference generator circuit is internally trimmed to eliminate the need for external

potentiometersandtheentirecircuitmaybepowereddirectlyfromeithertheoutputbeing

monitored or from a separate bias voltage.

BLOCK DIAGRAM

11/91 Rev 1.1 2/94

LINFINITY Microelectronics Inc.

11861 Western Avenue ∞ Garden Grove, CA 92841

(714) 898-8121 ∞ FAX: (714) 893-2570

12 3 4 5 6

中文翻译

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SG1543J/883B 替代型号

型号	品牌	替代类型	描述	数据表
SG1543J	MICROSEMI	完全替代	POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT
SG2543J	MICROSEMI	类似代替	POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT

与SG1543J/883B相关器件

型号	品牌	获取价格	描述	数据表
SG1543J/DESC	MICROSEMI	获取价格	POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT
SG1543L	MICROSEMI	获取价格	POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT
SG1543L/883B	MICROSEMI	获取价格	POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT
SG1543L/DESC	MICROSEMI	获取价格	Power Supply Support Circuit
SG1544	MICROSEMI	获取价格	LOW-VOLTAGE SUPERVISORY CIRCUIT
SG1544	MICROCHIP	获取价格	This device was designed to provide all the operational features of the SG1543 device with
SG1544_1	MICROSEMI	获取价格	LOW-VOLTAGE SUPERVISORY CIRCUIT
SG1544J	MICROSEMI	获取价格	LOW-VOLTAGE SUPERVISORY CIRCUIT
SG1544J/883B	MICROSEMI	获取价格	LOW-VOLTAGE SUPERVISORY CIRCUIT
SG1544J-883B	MICROSEMI	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BIPolar, CDIP18, DIP-18

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