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ADP1109AN PDF预览

ADP1109AN

更新时间: 2024-02-24 04:52:18
品牌 Logo 应用领域
亚德诺 - ADI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
8页 135K
描述
Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter

ADP1109AN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOIC-8
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.75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:12 V最小输入电压:2 V
标称输入电压:3 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 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:1.2 A标称输出电压:1.25 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers最大供电电流 (Isup):0.55 mA
表面贴装:YES切换器配置:BOOST
最大切换频率:120 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mm

ADP1109AN 数据手册

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Micropower Low Cost  
Fixed 3.3 V, 5 V, 12 V and Adjustable  
DC-to-DC Converter  
a
ADP1109  
FEATURES  
FUNCTIO NAL BLO CK D IAGRAMS  
Operates at Supply Voltages 2 V to 12 V  
Fixed 3.3 V, 5 V, 12 V and Adjustable Output  
Minim um External Com ponents Required  
Ground Current: 320 A  
Oscillator Frequency: 120 kHz  
Logic Shutdow n  
V
SENSE  
IN  
ADP1109-3.3: R1 = 152k  
ADP1109-5: R1 = 83k⍀  
ADP1109-12: R1 = 29k⍀  
R2  
250k  
SW  
COMPARATOR  
1.25V  
REFERENCE  
+
8-Lead DIP and SO-8 Packages  
120kHz  
A1  
Q1  
OSCILLATOR  
APPLICATIONS  
DRIVER  
R1  
Cellular Telephones  
Single-Cell to 5 V Converters  
Laptop and Palm top Com puters  
Pagers  
SHUTDOWN  
GND  
Cam eras  
Fixed Output  
Battery Backup Supplies  
Portable Instrum ents  
Laser Diode Drivers  
Hand-Held Inventory Com puters  
V
IN  
FB  
ADP1109  
SW  
COMPARATOR  
1.25V  
REFERENCE  
+
120kHz  
OSCILLATOR  
A1  
Q1  
GENERAL D ESCRIP TIO N  
DRIVER  
T he ADP1109 is a versatile step-up switching regulator. T he  
device requires only minimal external components to operate as  
a complete switching regulator.  
GND  
SHUTDOWN  
Adjustable Output  
T he ADP1109-5 can deliver 100 mA at 5 V from a 3 V input  
and the ADP1109-12 can deliver 60 mA at 12 V from a 5 V  
input. T he device also features a logic controlled shutdown  
capability that, when a logic low is applied, will shut down the  
oscillator.  
TYP ICAL AP P LICATIO N  
L1  
33H  
T he 120 kHz operating frequency allows for the use of small  
surface mount components. T he gated oscillator capability  
eliminates the need for frequency compensation.  
D1  
V
OUT  
12V  
60mA  
SW  
V
5V  
IN  
SENSE  
GND  
V
IN  
C1  
+
ADP1109-12  
22F  
16V  
SHUTDOWN  
SHUTDOWN/PROGRAM  
Flash Mem ory VPP Generator  
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: 781/ 329-4700  
Fax: 781/ 326-8703  
World Wide Web Site: http:/ / w w w .analog.com  
© Analog Devices, Inc., 1998  

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