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MAX17083EVKIT PDF预览

MAX17083EVKIT

更新时间: 2024-11-06 02:52:55
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描述
5A Output Current

MAX17083EVKIT 数据手册

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19-4647; Rev 0; 5/09  
MAX17083 Evaluation Kit  
Evluates:MAX17083  
General Description  
Features  
o 2.4V to 5.5V Input Range  
The MAX17083 evaluation kit (EV kit) is a fully assem-  
bled and tested PCB that demonstrates the typical 5A  
application circuit of the MAX17083. The MAX17083 is a  
DC-DC converter that steps down the system’s 3.3V or  
5V input supply for low-voltage, low-power applications.  
o Configured for 1.1V Output Voltage  
o Adjustable Output-Voltage Range (0.75V to 2.7V)  
o 5A Output Current  
The MAX17083 EV kit provides a 1.1V output voltage from  
a 2.4V to 5.5V input range. It delivers up to 5A output cur-  
rent while achieving greater than 90% efficiency.  
Programmed through jumper JU4, the EV kit operates at  
1MHz switching frequency and has superior line- and  
load-transient response. The EV kit also allows the evalua-  
tion of other adjustable output voltages from 0.75V to  
2.7V, by varying the SET pin and changing resistors R3  
and R4.  
o 90% Efficiency (V = 3.3V, V  
= 1.1V at 2A)  
IN  
OUT  
o 1MHz Switching Frequency  
o Pin-Selectable Four-Level Switching Frequency  
(500kHz, 750kHz, 1MHz, and 1.5MHz)  
o Enable Input  
o Power-Good Output Indicator (POK)  
o Low-Profile Surface-Mount Components  
o Lead(Pb)-Free and RoHS Compliant  
o Fully Assembled and Tested  
Ordering Information  
PART  
TYPE  
MAX17083EVKIT+  
EV Kit  
+Denotes lead(Pb)-free and RoHS compliant.  
Component List  
DESIGNATION QTY  
DESCRIPTION  
Green surface-mount LED (0805)  
Test points  
DESIGNATION QTY  
DESCRIPTION  
D1  
1
2
2
2
10µF 10%, 10V X5R ceramic  
capacitors (0805)  
Murata GRM21BR61A106K  
TDK C2012X5R0J106M  
EN, POK  
JU1, JU2  
JU3, JU4  
C1, C2  
C3, C5  
2
2
2-pin headers  
4-pin headers  
1µF 10%, 6.3V X7R ceramic  
capacitors (0402)  
Murata GRM155R61A105K  
TDK C1005X5R0J105M  
1.0µH, 6.8A, 14.2mΩ inductor  
(5.8mm x 6.2mm x 3.0mm)  
TOKO FDV0530-1R0M  
L1  
1
NEC TOKIN MPLC0525L1R0  
0.1µF 10%, 16V X7R ceramic  
capacitors (0402)  
TDK C1005X5R1C104K  
Murata GRM155R71C104K  
R1  
R2  
R3  
1
1
1
100kΩ 5% resistor (0603)  
1kΩ 5% resistor (0603)  
0Ω resistor (0402)  
C4, C6  
C7  
2
1
0
0
1
Not installed, POSCAP (D Case)  
Not installed, resistors (0402);  
R4 is open; R9 is short (PCB trace)  
R4, R9  
0
0.1µF 10%, 50V X7R ceramic  
capacitor (1206)  
Murata GRM319R71H104K  
TDK C3216X7R1H104K  
5A step-down regulator  
(24 TQFN)  
Maxim MAX17083ETG+  
C8  
U1  
1
4
1
Shunts  
C9  
Not installed, ceramic capacitor (0402)  
PCB: MAX17083 EVALUATION KIT+  
220µF, 6mΩ, 2V ESR POSCAP  
(D Case)  
SANYO 2TPF220M6  
C20  
Panasonic EEFSD0E221R (7mΩ, 2.5V)  
________________________________________________________________ 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.  

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