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MAX8516 PDF预览

MAX8516

更新时间: 2024-11-18 04:41:39
品牌 Logo 应用领域
美信 - MAXIM 稳压器
页数 文件大小 规格书
9页 182K
描述
1.425V to 3.6V Input, 1A, 0.2V Dropout LDO Regulators

MAX8516 数据手册

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19-3188; Rev 1; 4/04  
1 .4 2 5 V t o 3 .6 V In p u t , 1 A,  
0 .2 V Dro p o u t LDO Re g u la t o rs  
x
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX8516/MAX8517/MAX8518 low-dropout linear  
regulators operate from input voltages as low as 1.425V  
and are able to deliver up to 1A of continuous output  
current with a maximum dropout voltage of only 200mV.  
1.425V to 3.6V Input Voltage Range  
Guaranteed 200mV Dropout at 1A Output Current  
±1.4% Output Accuracy Over Load, Line, and  
Temperature (0°C to +85°C), ±0.6% Initial Accuracy  
Compatible with Ceramic Capacitors  
The output voltage can be set from 0.5V to (V - 0.2V)  
IN  
and is 1.4% accurate over load and line variations, from  
0°C to +85°C.  
Fast Transient Response  
These regulators use small, 1µF ceramic input capaci-  
tors and 4.7µF ceramic output capacitors to deliver 1A  
output current. High bandwidth provides excellent tran-  
sient response and limits the output voltage deviation to  
45mV for a 20mA to 1A load step, with only a 4.7µF  
ceramic output capacitor, and the voltage deviations can  
be reduced further by increasing the output capacitor.  
320µA Operating Supply Current  
<25µA Shutdown Supply Current  
Short-Circuit Protection  
Thermal-Overload Protection  
Soft-Start Limits Inrush Current  
Designed with an internal p-channel MOSFET pass  
transistor, the MAX8516/MAX8517/MAX8518 feature  
low 340µA (typ) supply current during dropout condi-  
tions. Soft-start reduces inrush current. Other features  
include a logic-controlled shutdown mode, short-circuit  
protection, and thermal-overload protection.  
Ord e rin g In fo rm a t io n  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
10 µMAX  
MAX8516EUB  
MAX8517EUB  
MAX8518EUB  
10 µMAX  
The MAX8517 features a power-OK (POK) output that  
transitions high when the regulator output is within  
± 10% of its nomina l outp ut volta g e . The MAX8518  
features a 150ms power-on reset output.  
The parts are packaged in a 10-pin µMAX® package that  
includes an exposed pad for optimal power dispation.  
10 µMAX  
Typ ic a l Op e ra t in g Circ u it  
INPUT  
1.425V TO 3.6V  
OUTPUT  
0.5V TO (V - 0.2V), 1A  
IN  
IN_  
OUT_  
1µF  
Ap p lic a t io n s  
MAX8516  
MAX8517  
MAX8518  
Servers  
Post Regulators  
Notebooks  
PDAs  
POWER-ON RESET  
POWER-OK  
4.7µF  
Storage  
POR (MAX8518)  
POK (MAX8517)  
EN  
FB  
Networking  
Base Stations  
Optical Modules  
ATE  
ON  
GND  
OFF  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
P in Co n fig u ra t io n s  
TOP VIEW  
EN  
IN  
1
2
3
4
5
10 N.C.  
EN  
IN  
1
2
3
4
5
10 N.C.  
EN  
IN  
1
2
3
4
5
10 N.C.  
9
8
7
6
OUT  
OUT  
FB  
9
8
7
6
OUT  
OUT  
FB  
9
8
7
6
OUT  
OUT  
FB  
MAX8516  
MAX8517  
MAX8518  
IN  
IN  
IN  
N.C.  
N.C.  
POK  
N.C.  
N.C.  
POR  
GND  
GND  
GND  
µMAX  
µMAX  
µMAX  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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