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MAX630

更新时间： 2024-03-03 10:07:41
品牌 Logo 应用领域
亚德诺 - ADI 开关调节器
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14页 258K
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CMOS、微功耗、升压型开关调节器

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MAX630 数据手册

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19-0915; Rev 2; 9/08  
CMOS Micropower Step-Up  
Switching Regulator  
General Description  
Features  
Maxim’s MAX630 and MAX4193 CMOS DC-DC regula-  
tors are designed for simple, efficient, minimum-size  
DC-DC converter circuits in the 5mW to 5W range. The  
MAX630 and MAX4193 provide all control and power  
handling functions in a compact 8-pin package: a  
1.31V bandgap reference, an oscillator, a voltage com-  
parator, and a 375mA N-channel output MOSFET. A  
comparator is also provided for low-battery detection.  
♦ High Efficiency—85% (typ)  
♦ 70µA Typical Operating Current  
♦ 1µA Maximum Quiescent Current  
♦ 2.0V to 16.5V Operation  
♦ 525mA (Peak) Onboard Drive Capability  
1.5% Output Voltage Accuracy (MAꢀ6ꢁ0)  
♦
♦ Low-Battery Detector  
♦ Compact 8-Pin Mini-DIP and SO Packages  
♦ Pin Compatible with RC4191/2/ꢁ  
Operating current is only 70µA and is nearly indepen-  
dent of output switch current or duty cycle. A logic-level  
input shuts down the regulator to less than 1µA quies-  
cent current. Low-current operation ensures high effi-  
ciency even in low-power battery-operated systems.  
The MAX630 and MAX4193 are compatible with most  
battery voltages, operating from 2.0V to 16.5V.  
Ordering Information  
PIN-  
PACKAGE  
PART  
TEMP RANGE  
MAꢀ6ꢁ0CPA  
MAX630CSA  
MAX630CJA  
MAX630EPA  
MAX630ESA  
MAX630EJA  
0°C to +70°C  
0°C to +70°C  
8 PDIP  
The devices are pin compatible with the Raytheon bipo-  
lar circuits, RC4191/2/3, while providing significantly  
improved efficiency and low-voltage operation. Maxim  
also manufactures the MAX631, MAX632, and MAX633  
DC-DC converters, which reduce the external compo-  
nent count in fixed-output 5V, 12V, and 15V circuits.  
See Table 2 at the end of this data sheet for a summary  
of other Maxim DC-DC converters.  
8 SO  
0°C to +70°C  
8 CERDIP  
8 PDIP  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
-55°C to +125°C  
-55°C to +125°C  
0°C to +70°C  
8 SO  
8 CERDIP  
8 CERDIP**  
8 SO†  
MAX630MJA  
MAX630MSA/PR  
MAX630MSA/PR-T  
MAꢀ419ꢁC/D  
MAX4193CPA  
MAX4193CSA  
MAX4193CJA  
MAX4193EPA  
MAX4193ESA  
MAX4193EJA  
MAX4193MJA  
Applications  
+5V to +15V DC-DC Converters  
High-Efficiency Battery-Powered DC-DC  
Converters  
+3V to +5V DC-DC Converters  
9V Battery Life Extension  
Uninterruptible 5V Power Supplies  
5mW to 5W Switch-Mode Power Supplies  
8 SO†  
Dice*  
0°C to +70°C  
8 PDIP  
0°C to +70°C  
8 SO  
0°C to +70°C  
8 CERDIP  
8 PDIP  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 SO  
8 CERDIP  
8 CERDIP**  
Typical Operating Circuit  
*Dice are specified at T = +25°C. Contact factory for dice  
A
+5V IN  
specifications.  
470μH  
**Contact factory for availability and processing to MIL-STD-883.  
†Contact factory for availibility.  
6
5
Pin Configuration  
I
C
+V  
S
8
1
3
7
LBD  
LBR  
L
X
TOP VIEW  
LBR  
1
2
3
4
8
7
6
5
LBD  
MAX630  
+15V  
OUT  
V
C
X
V
FB  
FB  
MAX630  
MAX4193  
C
GND  
4
X
L
X
I
C
2
47pF  
GND  
+V  
S
+5 TO +15V CONVERTER  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...14

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