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ADP3088ARM-REEL7

更新时间： 2024-11-05 12:47:59
品牌 Logo 应用领域
亚德诺 - ADI 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
16页 759K
描述
1 MHz, 750 mA Buck Regulator

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ADP3088ARM-REEL7 数据手册

 浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第2页浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第3页浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第4页浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第5页浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第6页浏览型号ADP3088ARM-REEL7的Datasheet PDF文件第7页 
a
1 MHz, 750 mA Buck Regulator  
ADP3088  
FUNCTIONALBLOCKDIAGRAM  
FEATURES  
1 MHz PWM Frequency  
Automatic PWM to Power Saving Mode at Light Load  
Fully Integrated 1 A Power Switch  
3% Output Regulation Accuracy over Temperature,  
Line, and Load  
100% Duty Cycle Operation  
Simple Compensation  
SW  
IN  
IN  
CURRENT  
SENSE  
AMP  
DRV  
PWM  
COMPATOR  
1MHz  
S
Q
R
Output Voltage: 1.25 V to 10.5 V  
Small Inductor and MLC Capacitors  
Low Quiescent Current while Pulse Skipping  
Thermal Shutdown  
ROTEC
UN/STOP  
OMPARATORS  
LOGIC  
(ILIM, OT)  
Fully Integrated Soft Start  
Cycle-by-Cycle Current Limit  
RROR  
P  
FB  
g
COMP  
GND  
m
APPLICATIONS  
SOFT START  
TIMER  
REF  
1.245V  
+
PDAs and Palmtop Computers  
Notebook Computers  
PCMCIA Cards  
GN
ADP3088  
Bus Products  
Portable Instruments  
GENERALDESCRIPTION  
ADP3088  
3.3ꢀH  
V
IN  
V
1.8V  
SW  
DRV  
GND  
IN  
OUT  
The ADP3088 is a high frequency, nonsynchronous
down dc-to-dc regulator with an integrated 1 A pow
in a space-saving MSOP-8 package. It providehigh eff
and excellent dynamic response and is verimple to use.  
3.3V  
0.1ꢀF  
10ꢀF  
IN  
10.0kꢁ  
1N5817  
GND  
COMP  
10ꢀF  
FB  
The ADP3088’s 1 MHz switching freqncy ws r small,  
inexpensive external components, and the current modcontrol  
loop is simple to compensate and noise filtering. he device  
operates in PWM current modeavy loads and saves  
energy at lighter loads by swally into power  
saving mode. Soft start is intetely on-chip, as is  
the cycle-by-cycle current limit.  
22.4kꢁ  
4.7pF  
220pF  
20kꢁ  
Figure 1. Typical Application  
Capable of operatV to 1input, the ADP3088 is  
ideal for many ading portable, battery-powered  
applications whe-use power regulation is  
required. Supportoltages down to 1.25 V, the  
ADP3088 is ideal for ating low voltage rails, providing  
the optimal solution in its class for delivering power efficiently,  
responsively, and simply with a minimal printed circuit board area.  
The device is specified over the industrial temperature range of  
–40∞C to +85∞C.  
REV. C  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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ADP3088ARM-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
ADP3088ARM-REEL ADI

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