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MAX1763EVKIT

更新时间： 2024-09-25 23:45:51
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8页 221K
描述
Evaluation Kit for the MAX1763

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MAX1763EVKIT 数据手册

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19-1804; Rev 0; 9/00  
MAX1763 Evaluation Kit  
General Description  
Features  
The MAX1763 evaluation kit (EV kit) is a fully assembled  
and tested surface-mount circuit board that contains  
two separate boost switching-regulator circuits. The  
first circuit (left side) utilizes a MAX1763 in a 16-pin  
QSOP package and is configured for a +3.3V output  
that accepts inputs from a +0.7V to VOUT source and  
provides up to 1.1A of current. A 1- or 2-cell alkaline  
battery source can also power the input.  
ꢀ +0.7V to +5.5V Input Range  
ꢀ Output Voltages  
+3.3V Fixed Output at 1.1A (left side)  
+3.3V Fixed Output at 1.4A (right side)  
+2.8V LDO Linear Regulator Output at 1A  
(right side) as Shipped  
ꢀ Internal N-Channel Power Switch and P-Channel  
The second circuit (right side) uses a MAX1763 in a  
high-power 16-pin TSSOP-EP (exposed pad) package,  
is configured for a +3.3V output, and supplies up to  
1.4A of current. It accepts inputs from a +0.7V to +5.5V  
source, or a 1- or 2-cell alkaline battery can power the  
input. The right side includes a low-dropout (LDO) lin-  
ear regulator that draws power from the +3.3V output  
and provides +2.8V at up to 1A of current.  
Synchronous Rectifier  
ꢀ 1µA Shutdown Current  
ꢀ 1MHz Switching Frequency  
ꢀ Externally Synchronizable (500kHz to 1.2MHz)  
ꢀ Surface-Mount Components  
ꢀ Fully Assembled and Tested  
The MAX1763 features an internal N-channel MOSFET  
switch, a P-channel MOSFET synchronous rectifier, and  
pulse-width modulation (PWM) operation for maximum  
efficiency. The MAX1763 EV kit demonstrates low qui-  
escent current and high efficiency up to 96% for maxi-  
mum battery life. Operation at 1MHz allows the use of  
tiny surface-mount components.  
Ordering Information  
PART  
TEMP. RANGE  
IC PACKAGE  
MAX1763EVKIT  
0°C to +70°C  
16 QSOP, 16 TSSOP-EP  
Component List  
DESIGNATION QTY*  
DESCRIPTION  
DESIGNATION QTY*  
DESCRIPTION  
33µF, 16V low-ESR electrolytic  
capacitors (POSCAP)  
Sanyo 16TPC33M  
1.5µH inductors  
Coilcraft DS3316P-152  
L1, L2  
2
C1, C11  
2
4
-20V, 4.5A P-channel MOSFET  
(SuperSOT-6)  
Fairchild Semiconductor FDC638P  
100µF, 6.3V low-ESR electrolytic  
capacitors (POSCAP)  
Sanyo 6TPC100M  
P1  
1
C2, C3, C12,  
C13  
R1, R2, R3, R6,  
R7, R9, R10,  
R14, R15  
68µF, 10V low-ESR electrolytic  
capacitor (POSCAP)  
Sanyo 10TPC68M  
0
Not installed (0805)  
C4  
1
6
2
R4  
R5, R13  
R8  
1
2
1
1
1
1
1
1
8
1
1
1
100k  
4.7  
1% resistor (0805)  
5% resistors (0805)  
5% resistor (0805)  
1% resistor (0805)  
1% resistor (0805)  
5% resistor (0805)  
C5, C8, C10,  
C14, C15, C18  
1µF, 10V X5R ceramic caps (0805)  
Taiyo Yuden LMK212BJ105MG  
20k  
0.22µF, 25V X7R ceramic  
capacitors (1206)  
Taiyo Yuden TMK316BJ224KF  
R11  
182k  
90.9k  
100k  
C6, C16  
R12  
R16  
C7, C9, C17,  
C19  
0
1
Not installed (0805)  
U1  
MAX1763EEE (16-pin QSOP)  
MAX1763EUE (16-pin TSSOP-EP)  
Shunts for JU1–JU8  
U2  
2.2A, 40V Schottky diode  
Nihon EC31QS04  
D1  
None  
None  
None  
None  
2.2A, 40V Schottky diode; not  
installed, but recommended for  
low-voltage startup  
MAX1763 PC board  
MAX1763 data sheet  
D2  
0
8
MAX1763 EV kit data sheet  
Nihon EC31QS04  
*Quantities are for both circuits.  
JU1–JU8  
3-pin headers  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
12345678

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