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MAX1549

更新时间: 2024-11-08 22:57:59
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描述
MAX1549 Evaluation Kit

MAX1549 数据手册

 浏览型号MAX1549的Datasheet PDF文件第2页浏览型号MAX1549的Datasheet PDF文件第3页浏览型号MAX1549的Datasheet PDF文件第4页浏览型号MAX1549的Datasheet PDF文件第5页浏览型号MAX1549的Datasheet PDF文件第6页浏览型号MAX1549的Datasheet PDF文件第7页 
19-3299; Rev 0; 5/04  
MAX1549 Evaluation Kit  
General Description  
Features  
The MAX1549 evaluation kit (EV kit) demonstrates the  
MAX1549’s standard application circuit. This DC-DC  
converter steps down high-voltage batteries and/or AC  
adapters, generating precision low-voltage chipset and  
RAM power supplies for notebook computers.  
5V to 20V Input Voltage Range  
Four Digitally Selectable Operating Voltages  
(OUT1)  
Dynamically Selectable Output Voltages  
0.7V/1.0V/1.3V/1.5V (OUT1, Adjustable from 0.5V  
to 2.0V)  
The MAX1549 EV kit provides a dynamically adjustable  
0.7V to 1.5V output voltage range (OUT1), and a fixed  
2.5V output voltage (OUT2) from a 5V to 20V battery  
input range. It delivers up to a 6A output current for  
OUT1, and up to a 4A output current for OUT2, with  
greater than 90% efficiency. The EV kit operates at  
300kHz switching frequency and has superior line- and  
load-transient response.  
Fixed 2.5V Output Voltage (OUT2, Adjustable from  
0.5V to 2.7V)  
6A Output Current (OUT1)  
4A Output Current (OUT2)  
300kHz Switching Frequency  
Independent Power-Good Outputs  
Low-Profile Components  
This EV kit is a fully assembled and tested circuit  
board. It is capable of evaluating other dynamically  
adjustable output voltages in the 0.5V to 2.0V range by  
changing R10–R14. Other fixed output voltages in the  
0.5V to 2.7V range can be evaluated by changing R20  
and R21.  
Fully Assembled and Tested  
Ordering Information  
PART  
TEMP RANGE  
IC PACKAGE  
40 Thin QFN  
(6mm x 6mm)  
MAX1549EVKIT  
0oC to +70oC  
Component List  
DESIGNATION QTY  
DESCRIPTION  
DESIGNATION QTY  
DESCRIPTION  
Not installed (E-case)  
C1, C19  
0
2.2µF, 10V X5R ceramic capacitor  
(0612)  
TDK C1632X5R1A225KTB09N  
C12  
C13, C16  
C14  
1
2
1
1
470µF, 2.5V, 6mlow-ESR polymer  
capacitor (E-case)  
Sanyo 2R5TPD470M6  
C2  
1
470pF 10%, 50V X7R ceramic  
capacitors (0603)  
Murata GRM188R71H471K or  
equivalent  
220µF, 4V, 15mlow-ESR  
capacitor (D-case)  
Sanyo 4TPE220MF  
C3  
1
0.22µF, 16V X5R ceramic capacitor  
(0805)  
Taiyo Yuden EMK212BJ224KG  
10µF 20%, 25V X5R ceramic  
capacitors (1812)  
Taiyo Yuden TMK432BJ106KM or  
TDK C4532X5R1E106M  
C4, C5  
C6, C7  
C8, C9  
2
0
2
1µF 20%, 10V X5R ceramic  
capacitor (0805)  
Taiyo Yuden LMK212BJ105KG or  
TDK C2012X7R1C105MKT  
Not installed (1812)  
C15  
0.1µF 10%, 50V X7R ceramic  
capacitors (0603)  
Murata GRM188R71H104K or  
equivalent  
100pF 5%, 50V C0G ceramic  
capacitors (0603)  
Murata GRM1885C1H101J or  
equivalent  
C17, C18  
2
C10, C11,  
C20–C26  
0
Not installed (0603)  
________________________________________________________________ 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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