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MAX17122EVKIT

更新时间： 2024-09-19 02:52:47
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美信 - MAXIM /
页数 文件大小 规格书
7页 628K
描述
Greater than 94% Efficiency (Step-Up Switching Regulator)

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MAX17122EVKIT 数据手册

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19-5089; Rev 0; 12/09  
MAX17122 Evaluation Kit  
General Description  
Features  
The MAX17122 evaluation kit (EV kit) is a fully assembled  
and tested surface-mount PCB that provides the voltages  
and features required for thin-film transistor (TFT), liquid-  
crystal display (LCD) TV panels. The EV kit includes a  
step-down regulator, step-up regulator, negative output  
buck-boost regulator, positive regulated charge pump,  
and a negative linear regulator.  
S +10V to +14V Input Range  
S 750kHz Switching Frequency  
S Output Voltages  
+15V Output at 2.2A (Step-Up Switching  
Regulator)  
+3.3V Output at 2.5A (Step-Down Switching  
Regulator)  
The MAX17122 IC operates from +10V to +14V input  
voltages and is optimized for LCD TV panels running  
directly from +12V supplies. The step-up switching  
regulator is configured for a +15V output that provides at  
least 2.2A with an input voltage of +12V. The step-down  
regulator is configured for a +3.3V output that provides  
at least 2.5A and the buck-boost is configured for a  
temperature-variable -12V to -20V output that provides  
at least 450mA. The positive regulated charge pump is  
configured for a +28V output providing at least 100mA.  
The negative linear regulator is configured for a -7.5V  
output providing at least 100mA.  
-12V to -20V Output at 450mA (Temperature-  
Variable Buck-Boost Switching Regulator)  
+28V Output at 100mA (Positive Charge Pump)  
-7.5V Output at 100mA (Negative Linear  
Regulator)  
+5V Output at 25mA (Linear Regulator VL)  
S Greater than 94% Efficiency (Step-Up Switching  
Regulator)  
S Fully Assembled and Tested  
Ordering Information  
PART  
TYPE  
MAX17122EVKIT+  
EV Kit  
+Denotes lead(Pb)-free and RoHS compliant.  
Component List  
DESIGNATION QTY  
DESCRIPTION  
DESIGNATION QTY  
DESCRIPTION  
22FF Q20%, 16V X5R ceramic  
capacitors (1206)  
Murata GRM31CR61C226M  
Taiyo Yuden EMK316BJ226M  
1FF Q10%, 25V X5R ceramic  
capacitors (0603)  
Murata GRM188R61E105K  
TDK C1608X5R1E105M  
C1, C2  
2
4
1
2
C6, C16  
2
0
1
C7, C8, C15,  
C23, C24, C25  
Not installed, ceramic capacitors  
(0603)  
0.1FF Q10%, 50V X7R ceramic  
capacitors (0603)  
Murata GRM188R71H104K  
TDK C1608X7R1H104K  
C3, C9, C11,  
C13  
2.2FF Q10%, 16V X5R ceramic  
capacitor (0603)  
Murata GRM188R61C225K  
TDK C1608Y5V1C225ZT  
C12  
C14  
C17  
22FF Q20%, 6.3V X5R ceramic  
capacitor (0805)  
Murata GRM21BR60J226M  
TDK C2012X5R0J226K  
C4  
1FF Q10%, 50V X7R ceramic  
capacitor (1206)  
Murata GRM31MR71H105KA  
TDK C3216X7R1H105K  
1
1
0.22FF Q10%, 25V X7R ceramic  
capacitors (0603)  
Murata GRM188R71E224K  
TDK C1608X7R1E224K  
C5, C10  
470pF Q10% 50V X7R ceramic  
capacitor (0603)  
Murata GRM188R71H471K  
TDK C1608X7R1H471K  
_______________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567

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