CS1108EDF8

更新时间： 2024-02-10 06:50:39

品牌	Logo	应用领域
樱桃 - CHERRY		外围驱动器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
4页	136K
描述
Single Lamp Driver IC

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中文翻译

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技术参数
数据手册

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CS1108EDF8 技术参数

生命周期：	Active	零件包装代码：	SOIC
包装说明：	SOIC-8	针数：	8
Reach Compliance Code：	unknown	风险等级：	5.69
Is Samacsys：	N	内置保护：	OVER CURRENT; THERMAL
接口集成电路类型：	BUFFER OR INVERTER BASED PERIPHERAL DRIVER	JESD-30 代码：	R-PDSO-G8
长度：	4.9 mm	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出电流流向：	SINK
标称输出峰值电流：	0.5 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	COMMERCIAL
座面最大高度：	1.75 mm	最大供电电压：	5.25 V
最小供电电压：	4.75 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	宽度：	3.9 mm
Base Number Matches：	1

CS1108EDF8 数据手册

Circuit Description

The CS1108 lamp driver IC provides up to 350mA of drive

Typical lamps have a low resistance when off and the cur-

rent will exceed the current limit threshold during the ini-

tial inrush period. During this inrush time, the IC will be

operating in the duty cycle mode. Due to characteristics of

lamps in this mode, they may appear dimly lit. This condi-

tion will persist for a brief time until the lamp resistance

has increased enough to reduce itÕs current below the

threshold. Once this occurs the lamp will appear at full

brightness. During the inrush period the Fault pin will be

forced low indicating that duty cycle mode is in operation.

current in a low-side configuration. The Output driver pin

is controlled through the TTL compatible Control input

pin. A high condition on the Control pin turns the output

pin on.

Fault

The

overtemperature conditions on the IC. If a fault is present,

Fault

pin reports short circuit, open circuit, and

the open collector output

pin will be low. Typical

numbers for faults are: exceeding 500mA of drive current

will report a short circuit. Less than 40mA (typical) will

report an open circuit. A temperature fault will be reported Thermal protection has been designed into this IC. Should

when the die temperature exceeds 180¡C (typical). Faults

are only reported when the Control pin is high, due to the

low quiescent current when the Control pin is low and the

output device is turned off.

duty cycle mode operate for an extended amount of time

and the power limitations of the IC are exceeded the IC die

temperature will rise. Once the die temperature reaches the

thermal temperature limit, the internal circuitry will shut-

off the output and the lamp will turn off. Once the die tem-

perature lowers below the thermal threshold then the out-

put will be allowed to turn back on.

The CS1108 is designed to provide overcurrent protection

by duty cycle control. When the lamp current exceeds the

internally programmed current limit threshold (typically

500mA), the output enters duty cycle mode to reduce

power dissipation of the IC to a safe level.

Applications Diagram

Gnd

Output

CS1108

10nF

Gnd

Fault

20k

Control

VBAT

microprocessor

1 234

中文翻译

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与CS1108EDF8相关器件

型号	品牌	获取价格	描述	数据表
CS1108EDFR8	ONSEMI	获取价格	Single Lamp Driver IC
CS1108EDFR8	CHERRY	获取价格	Single Lamp Driver IC
CS1109	ETC	获取价格	CIT SWITCH
CS11092.6	CIT	获取价格	CIT SWITCH
CS11092.9	CIT	获取价格	CIT SWITCH
CS11093.1	CIT	获取价格	CIT SWITCH
CS1109A	ETC	获取价格	CIT SWITCH
CS110N06A8-2	CRMICRO	获取价格	TO-220
CS1110	CIT	获取价格	DIMENSIONS SCHEMATIC & PC LAYOUT
CS1110A2.0	CIT	获取价格	DIMENSIONS SCHEMATIC & PC LAYOUT

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