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MAX1706EVKIT PDF预览

MAX1706EVKIT

更新时间: 2024-11-05 23:45:51
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4页 53K
描述
Evaluation Kit for the MAX1705/MAX1706

MAX1706EVKIT 数据手册

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MAX1 7 0 5 Eva lu a t io n Kit  
Evluates:5/MAX1706  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
+0.9V to +4.5V Input Range  
The MAX1705 evaluation kit (EV kit) is a step-up switch-  
ing regulator for battery-powered systems operating  
from 1 to 3 NiCd/NiMH cells or 1 Li-Ion cell. The EV kit  
accepts a +0.9V to +4.5V input and converts it to a  
4.5V step-up output and a 3.3V linear-regulator output.  
It provides low quiescent current, high-efficiency pulse-  
frequency-modulation operation for maximum battery  
life, and a high-power, fixed-frequency pulse-width-  
modulation mode. The MAX1705 features a built-in,  
low-dropout linear post-regulator that reduces high-fre-  
quency ripple.  
High-Power Output: 4.5V or Adjustable  
Dual Outputs: Step-Up and Linear Regulator  
200mA Max Linear-Regulator Output Current  
Optional Track Mode for Highest Efficiency  
Low-Noise, 3.3V or Adjustable Output Voltage  
High-Efficiency Step-Up Converter: Up to 96%  
Up to 850mA Total Output Current  
Internal 300kHz Oscillator  
The MAX1705 EV kit is a fully assembled and tested  
surface-mount circuit board. It can also be used to  
evaluate the MAX1706.  
Internal MOSFET and Synchronous Rectifier  
1µA Shutdown Current  
____________________Co m p o n e n t Lis t  
Power-Good Output  
DESIGNATION QTY  
DESCRIPTION  
Surface-Mount Components  
22µF, 25V tantalum capacitor  
Sprague 593D226X0025D2W or  
AVX TPSD226M025R0200  
C1  
C8  
1
1
Fully Assembled and Tested  
220µF, 10V low-ESR tantalum capacitor  
Sprague 594D227X0010D2T,  
Sprague 593D227X0010D2W, or  
AVX TPSE227M010R0100  
______________Ord e rin g In fo rm a t io n  
C3  
C4  
1
1
0.1µF ceramic capacitor  
22µF, 6.3V tantalum capacitor  
Sprague 595D226X06R3B2T  
PART  
TEMP. RANGE  
BOARD TYPE  
MAX1705EVKIT  
0°C to +70°C  
Surface Mount  
C5, C7, C9  
3
1
0
0.33µF ceramic capacitors  
22pF ceramic capacitor  
Open  
Note: To evaluate the MAX1706, request a MAX1706EEE free  
sample with the MAX1705 EV kit.  
C6  
C2  
Schottky diode  
Motorola MBR0520L  
D1  
L1  
1
1
10µH inductor  
Sumida CDR74B-100  
R1  
R2, R4  
R3  
1
2
1
0
1
3
1
3
1
1
1
267k, 1% resistor  
100k, 1% resistors  
165k, 1% resistor  
Open  
______________Co m p o n e n t S u p p lie rs  
SUPPLIER  
AVX  
PHONE  
FAX  
(803) 946-0690  
(847) 639-6400  
(561) 241-7876  
(402) 564-3131  
(602) 303-5454  
(603) 224-1961  
(847) 956-0666  
(203) 268-6261  
(803) 626-3123  
(847) 639-1469  
(561) 241-9339  
(402) 563-6418  
(602) 994-6430  
(603) 224-1430  
(847) 956-0702  
(203) 452-5670  
R5  
Coilcraft  
R6  
0resistor  
R7, R8, R9  
U1  
100k, 5% resistors  
MAX1705EEE (QSOP-16)  
2-pin headers  
Coiltronics  
Dale-Vishay  
Motorola  
JU1, JU2, JU3  
JU4  
3-pin header  
Sprague  
None  
Shunt  
Sumida  
None  
MAX1705 PC board  
Vishay/Vitramon  
Note: Please indicate that you are using the MAX1705 when  
contacting these component suppliers.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  

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