參數(shù)資料
型號: MAX624
廠商: Maxim Integrated Products, Inc.
英文描述: Dual-Output, 1MHz DC-DC Boost Converter for PCMCIA Applications(升壓型,輸出電壓5V/12V/可調(diào),輸出電流200mA的DC-DC變換器)
中文描述: 雙輸出,1MHz的DC - DC升壓轉(zhuǎn)換器應(yīng)用為PCMCIA(升壓型,輸出電壓5V/12V /可調(diào),輸出電流200毫安的直流變換器)
文件頁數(shù): 9/16頁
文件大?。?/td> 215K
代理商: MAX624
M
Dual-Output, 1MHz DC-DC Boost Converter
for PCMCIA Applic ations
_______________________________________________________________________________________
9
Table 1. Recommended Components for 12V/80mA Auxiliary SMPS and 5V Main SMPS
DESIGNATION
QTY
DESCRIPTION
SOURCE/TYPE
Q1
1
Dual, N-channel MOSFET
IRF7101 or Si9956DY
L1, L2
2
5μH inductors
Sumida CLS-62B, drawing #94T-217
C3
1
2.2μF ceramic capacitor
Marcon THCR30E1E225ZT or THCS30E1E225ZT
C4
1
10pF capacitor
C5, C6, C7
3
0.1μF capacitors
Murata-Erie GRM42-6X7R104K025V
C8
1
10nF capacitor
C9
1
3300pF capacitor
D1, D2
2
I
F
= 1A, V
R
= 20V Schottky rectifier
0.22
±10% resistor
10
resistor
Motorola MBR0520L
R1
1
Ohmtek 1205LR220LBT or IMS RC-I-1206
R2
1
C1, C2
2
4.7μF ceramic capacitors
Marcon THCR40E1E475ZT or THCS40E1E475ZT
Table 2. Component Suppliers
SUPPLIER
PHONE
FAX
IMS
(401) 683-9700
(401) 683-5571
International Rectifier
(310) 241-7876
(310) 640-6515
Motorola
(602) 244-3576
(602) 244-4015
Murata-Erie
(800) 831-9172
(814) 238-0490
Ohmtek
(716) 283-4025
(716) 283-5932
Siliconix
(408) 988-8000
(408) 970-3950
Sumida USA
(708) 956-0666
(708) 956-0702
Sumida J apan
(03) 607-5111
(03) 607-5144
Toshiba Marcon
(708) 913-9980
(708) 913-1150
* When off, V
AUX
= V
IN
.
** V
AUX
is set to 12V in this example.
Table 3. Operating States
STATE
V
IN
<2.8V
SHDN
ONA
V
MAIN
OFF
V
AUX
*
OFF
EXT
I (V
IN
)
10μA
Reset
X
X
OFF
Shutdown
>2.8V
LO
X
OFF
OFF
ON
40μA
Main On
>2.8V
HI
LO
5.0V
OFF
ON
0.52mA
Both On
>2.8V
HI
HI
5.0V
12V**
ON
1.2mA
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