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ADP1108AN-5

更新时间： 2024-02-11 11:59:12
品牌 Logo 应用领域
亚德诺 - ADI 转换器DC-DC转换器
页数 文件大小 规格书
12页 236K
描述
Micropower DC-DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V

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ADP1108AN-5 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE FREQUENCY MODULATION
最大输入电压：30 V最小输入电压：2 V
标称输入电压：3 VJESD-30 代码：R-PDIP-T8
JESD-609代码：e0长度：9.27 mm
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
最大输出电流：1.5 A标称输出电压：5 V
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP8,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：5.33 mm
子类别：Switching Regulator or Controllers最大供电电流 (Isup)：0.15 mA
表面贴装：NO切换器配置：SINGLE
最大切换频率：25 kHz技术：BIPOLAR
温度等级：COMMERCIAL端子面层：TIN LEAD
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 mmBase Number Matches：1

ADP1108AN-5 数据手册

 浏览型号ADP1108AN-5的Datasheet PDF文件第2页浏览型号ADP1108AN-5的Datasheet PDF文件第3页浏览型号ADP1108AN-5的Datasheet PDF文件第4页浏览型号ADP1108AN-5的Datasheet PDF文件第5页浏览型号ADP1108AN-5的Datasheet PDF文件第6页浏览型号ADP1108AN-5的Datasheet PDF文件第7页 
Micropower DC-DC Converter  
Adjustable and Fixed 3.3 V, 5 V, 12 V  
a
ADP1108  
FEATURES  
FUNCTIO NAL BLO CK D IAGRAMS  
Operates at Supply Voltages From 2.0 V to 30 V  
Consum es Only 110 ␮A Supply Current  
Step-Up or Step-Dow n Mode Operation  
Minim um External Com ponents Required  
Low Battery Detector Com parator On-Chip  
User-Adjustable Current Lim it  
SET  
ADP1108  
A2  
AO  
V
IN  
GAIN BLOCK/  
ERROR AMP  
I
LIM  
Internal 1 A Pow er Sw itch  
Fixed or Adjustable Output Voltage Versions  
8-Pin DIP or SO-8 Package  
SW1  
1.245V  
REFERENCE  
A1  
COMPARATOR  
OSCILLATOR  
APPLICATIONS  
DRIVER  
Notebook/ Palm Top Com puters  
3 V to 5 V, 5 V to 12 V Converters  
9 V to 5 V, 12 V to 5 V Converters  
LCD Bias Generators  
SW2  
GND  
FB  
Peripherals and Add-On Cards  
Battery Backup Supplies  
Cellular Telephones  
SET  
ADP1108-3.3  
ADP1108-5  
ADP1108-12  
Portable Instrum ents  
A2  
AO  
V
IN  
I
GENERAL D ESCRIP TIO N  
GAIN BLOCK/  
ERROR AMP  
LIM  
T he ADP1108 is a highly versatile micropower switch-mode  
dc-dc converter that operates from an input voltage supply as  
low as 2.0 V and typically starts up from 1.8 V.  
SW1  
1.245V  
REFERENCE  
A1  
COMPARATOR  
OSCILLATOR  
SW2  
DRIVER  
T he ADP1108 can be programmed into a step-up or step-down  
dc-to-dc converter with only three external components. T he  
fixed outputs are 3.3 V, 5 V and 12 V. An adjustable version is  
also available. In step-up mode, supply voltage range is 2.0 V to  
12 V, and 30 V in step-down mode. T he ADP1108 can deliver  
150 mA at 5 V from a 2 AA cell input and 300 mA at 5 V from  
a 9 V input in step-down mode. Switch current limit can be  
programmed with a single resistor.  
R1  
ADP1108-3.3: R1 = 456kΩ  
ADP1108-5: R1 = 250kΩ  
ADP1108-12: R1 = 87.4kΩ  
R2  
753kΩ  
GND  
SENSE  
For battery operated and power conscious applications, the  
ADP1108 offers a very low power consumption of less than  
110 µA.  
T he auxiliary gain block available in ADP1108 can be used  
as a low battery detector, linear post regulator, under voltage  
lockout circuit or error amplifier.  
REV. 0  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700  
Fax: 617/ 326-8703  
World Wide Web Site: http:/ / w w w .analog.com  
© Analog Devices, Inc., 1997  
1234567...12

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