SG2544N

更新时间： 2024-01-26 09:46:48

品牌	Logo	应用领域
美高森美 - MICROSEMI		电源电路电源管理电路光电二极管监控
页数	文件大小	规格书
4页	45K
描述
LOW-VOLTAGE SUPERVISORY CIRCUIT

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SG2544N 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	DIP
包装说明：	ROHS COMPLIANT, PLASTIC, DIP-18	针数：	18
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.15
Is Samacsys：	N	可调阈值：	NO
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	R-PDIP-T18
JESD-609代码：	e3	长度：	22.86 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	18
最高工作温度：	85 °C	最低工作温度：	-25 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	DIP
封装等效代码：	DIP18,.3	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	4.5/40 V	认证状态：	Not Qualified
座面最大高度：	5.08 mm	子类别：	Power Management Circuits
最大供电电流 (Isup)：	10 mA	最大供电电压 (Vsup)：	40 V
最小供电电压 (Vsup)：	4.7 V	标称供电电压 (Vsup)：	10 V
表面贴装：	NO	技术：	BIPOLAR
温度等级：	OTHER	端子面层：	Matte Tin (Sn)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

SG2544N 数据手册

SG1544/SG2544/SG3544

LOW-VOLTAGE SUPERVISORY CIRCUIT

DESCRIPTION

FEATURES

• Uncommitted comparator inputs for

wide input flexibility

• Common-Mode range from zero to near

supply voltage

This device was designed to provide all the operational features of the SG1543/

2543/3543 devices but with the added advantage of uncommitted inputs to the

voltage sensing comparators. This allows monitoring of voltage levels less than

2.5 volts by dividing down the internal reference supply.

• Reference voltage trimmed to 1%

accuracy

In all other respects, the SG1544 series is identical to the SG1543 series. These

monolithic devices contain all the functions necessary to monitor and control the

output of a sophisticated power supply system. Over-voltage sensing with

provision to trigger an external SCR “crowbar” shutdown; an under-voltage circuit

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

and a third op amp/comparator usable for current sensing are all included in this

IC, together with an independent, accurate reference generator.

• Over-voltage, under-voltage, and current

sensing circuits all included

• SCR "Crowbar" drive of 300mA

• Programmable time delays

• Open-collector outputs and remote

activation capability

• Total standby current less than 10mA

The voltage-sensing input comparators are identical and can be used with

threshold levels from zero volts to (V_IN- 3V). Each has approximately 25mv of

hysteresis which is offset so the switching differential threshold is zero on the non-

inverting input for rising levels and zero on the inverting input for falling signals.

All other operating characteristics are as described in the SG1543 data sheet and

application note.

HIGH RELIABILITY FEATURES

- SG1544

♦ Available to MIL-STD-883 and DESC

SMD

♦ LMI level "S" processing available

BLOCK DIAGRAM

4/90 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

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与SG2544N相关器件

型号	品牌	描述	获取价格	数据表
SG2548	MICROSEMI	QUAD POWER FAULT MONITOR	获取价格
SG2548	MICROCHIP	The SG1548 is an integrated circuit capable of monitoring up to four positive DC supply vo	获取价格
SG2548DW	MICROSEMI	QUAD POWER FAULT MONITOR	获取价格
SG2548J	MICROSEMI	QUAD POWER FAULT MONITOR	获取价格
SG2548N	MICROSEMI	QUAD POWER FAULT MONITOR	获取价格
SG2549	MICROSEMI	CURRENT SENSE LATCH	获取价格

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