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MAX1572EVKIT

更新时间： 2024-11-14 23:45:47
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
3页 100K
描述
Evaluation Kit for the MAX1572

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MAX1572EVKIT 数据手册

 浏览型号MAX1572EVKIT的Datasheet PDF文件第2页浏览型号MAX1572EVKIT的Datasheet PDF文件第3页 
19-2901; Rev 0; 7/03  
MAX1572 Evaluation Kit  
General Description  
Features  
o 2MHz PWM Switching  
The MAX1572 evaluation kit (EV kit) is a fully assembled  
and tested circuit board that evaluates the MAX1572  
PWM step-down DC-DC converter. The circuit operates  
from 2.6V to 5.5V and has a fixed 1.5V output capable  
of delivering 800mA. It also provides a RESET output.  
The EV kit can be used to evaluate other output voltage  
versions of the MAX1572 by replacing the IC.  
o 800mA Guaranteed Output Current  
o Power-Saving Modes: Pulse Group/  
Pulse Skip/Forced PWM  
o Voltage-Positioning Load Transients  
o 5mV  
Output Ripple  
P-P  
o Tiny 2.2µH Inductor  
Component List  
o 10µF Ceramic Output Capacitor  
o Low 0.1µA Shutdown Current  
o Soft-Start with Zero Inrush Current  
o 170ms (min) RESET Output  
DESIGNATION QTY  
DESCRIPTION  
10µF 20%, 6.3V X5R ceramic  
capacitors (0805)  
Panasonic ECJ2FB0J106M or  
TDK C2012X5R0J106M or  
Taiyo Yuden JMK212BJ106MG  
C1, C2  
2
o Thin QFN IC Package: 4mm ✕ 4mm ✕ 0.8mm  
o Fully Assembled and Tested  
1000pF 10%, 50V X7R ceramic  
capacitor (0603)  
C3  
C4  
1
1
Murata GRM188R71H102K or  
equivalent  
Ordering Information  
PART  
TEMP RANGE  
IC PACKAGE  
0.1µF 10%, 16V X7R ceramic  
capacitor (0603)  
Taiyo Yuden EMK107BJ104KA or  
equivalent  
MAX1572EVKIT  
0°C to +70°C  
12 Thin QFN-EP*  
*EP = Exposed paddle.  
Recommended Equipment  
• Power supply capable of supplying 500mA from 2.6V  
to 5.5V  
R1  
1
2
10Ω 5% resistor (0603)  
JU1, JU2  
3-pin headers  
2.2µH inductor, 0.17Ω, 1.2A  
3.6mm ✕ 3.6mm ✕ 1.2mm  
• Voltmeter  
L1  
1
TOKO 976AS-2R2M (D312F family)  
Quick Start  
Follow the steps below to verify operation of the  
MAX1572 EV kit. Do not turn on the power supply  
until all connections are completed:  
MAX1572ETC150  
(12-pin thin QFN 4mm ✕ 4mm)  
U1  
1
None  
None  
2
1
Shunts, position 2  
MAX1572 EV kit PC board  
1) Select the desired operating mode with JU1 and  
JU2 (see Table 1).  
2) Connect the positive terminal of the voltmeter to the  
pad labeled OUT. Connect the ground terminal of  
the voltmeter to the pad labeled GND nearest the  
OUT pad. Connect a load from OUT to the GND  
pad closest to OUT.  
Component Suppliers  
SUPPLIER  
PHONE  
WEBSITE  
www.kamaya.com  
www.murata.com  
www.panasonic.com  
www.t-yuden.com  
www.component.tdk.com  
www.toko.com  
Kamaya  
260-489-1533  
770-436-1300  
714-373-7939  
408-573-4150  
847-803-6100  
847-297-0070  
Murata  
3) Preset the power supply to between 2.6V and 5.5V,  
and turn the power supply off.  
Panasonic  
Taiyo-Yuden  
TDK  
4) Connect the positive power-supply terminal to the  
pad labeled IN. Connect the power-supply ground  
to the pad labeled GND nearest the IN pad.  
TOKO  
5) Turn on the power supply and verify the output volt-  
age is 1.5V.  
Note: When contacting these component suppliers, please  
specify you are using the MAX1572.  
________________________________________________________________ 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.  
123

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