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MAX860EUA+

更新时间： 2024-10-04 06:18:27
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美信 - MAXIM 光电二极管
页数 文件大小 规格书
14页 573K
描述
Switched Capacitor Converter, 130kHz Switching Freq-Max, CMOS, PDSO8, 1.11 MM HEIGHT, LEAD FREE, UMAX-8

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MAX860EUA+ 数据手册

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19-0239; Rev 2; 4/03  
50mA, Frequency-Selectable,  
Switched-Capacitor Voltage Converters  
_______________General Description  
____________________________Features  
ꢀ 8-Pin, 1.11mm High µMAX Package  
ꢀ Invert or Double the Input Supply Voltage  
ꢀ Three Selectable Switching Frequencies  
ꢀ High Frequency Reduces Capacitor Size  
ꢀ 87% Efficiency at 50mA  
The MAX860/MAX861 charge-pump voltage converters  
invert input voltages ranging from +1.5V to +5.5V, or  
double input voltages ranging from +2.5V to +5.5V.  
Because of their high switching frequencies, these  
devices use only two small, low-cost capacitors. Their  
50mA output makes switching regulators unnecessary,  
eliminating inductors and their associated cost, size,  
and EMI. Greater than 90% efficiency over most of the  
load-current range, combined with a typical operating  
current of only 200µA (MAX860), provides ideal perfor-  
mance for both battery-powered and board-level volt-  
age-conversion applications.  
ꢀ 200µA Quiescent Current (MAX860)  
ꢀ 1µA Shutdown Supply Current  
ꢀ 600mV Voltage Drop at 50mA Load  
ꢀ 12 Output Resistance  
A frequency-control (FC) pin provides three switching-  
frequencies to optimize capacitor size and quiescent  
current and to prevent interference with sensitive cir-  
cuitry. Each device has a unique set of three available  
———–  
______________Ordering Information  
frequencies. A shutdown (SHDN) pin reduces current  
consumption to less than 1µA. The MAX860/MAX861  
are suitable for use in applications where the ICL7660  
and MAX660's switching frequencies are too low. The  
MAX860/MAX861 are available in 8-pin µMAX and  
SO packages.  
PART  
TEMP RANGE  
-25°C to +85°C  
-25°C to +85°C  
0°C to +70°C  
PIN-PACKAGE  
MAX860ISA  
MAX860IUA  
MAX860C/D  
MAX860ESA  
MAX860MJA  
MAX861ISA  
MAX861IUA  
MAX861C/D  
MAX861ESA  
MAX861MJA  
8 SO  
8 µMAX  
Dice*  
-40°C to +85°C  
-55°C to +125°C  
-25°C to +85°C  
-25°C to +85°C  
0°C to +70°C  
8 SO  
________________________Applications  
Portable Computers  
†
8 CERDIP  
8 SO  
Medical Instruments  
Interface Power Supplies  
Hand-Held Instruments  
Operational-Amplifier Power Supplies  
8 µMAX  
Dice*  
8 SO  
-40°C to +85°C  
-55°C to +125°C  
†
8 CERDIP  
*Dice are tested at T = +25°C, DC parameters only.  
†Contact factory for availability.  
__________Typical Operating Circuit  
A
INPUT  
1
2
8
7
MAX860  
MAX861  
FC  
V
DD  
VOLTAGE  
+1.5V TO +5.5V  
C1+  
SHDN  
__________________Pin Configuration  
3
4
6
5
GND  
C1-  
LV  
INVERTED  
NEGATIVE  
OUTPUT  
C1 10 F  
OUT  
TOP VIEW  
10 F  
C2  
VOLTAGE INVERTER  
FC  
C1+  
GND  
C1-  
V
DD  
1
2
3
4
8
7
6
5
INPUT  
VOLTAGE  
SHDN  
LV  
DOUBLED  
POSITIVE  
OUTPUT  
1
2
3
4
8
7
6
5
MAX860  
MAX861  
MAX860  
MAX861  
FC  
V
DD  
+2.5V TO +5.5V  
C1+  
GND  
C1-  
SHDN  
10 F  
C2  
OUT  
LV  
C1  
10 F  
SO/ MAX  
OUT  
POSITIVE VOLTAGE DOUBLER  
________________________________________________________________ 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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MAX860EUA+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX860EUA+T MAXIM

完全替代

 Switched Capacitor Converter, 130kHz Switching Freq-Max, CMOS, PDSO8, 1.11 MM HEIGHT, LEAD

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