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ADM660ARZ

更新时间： 2024-11-26 12:27:23
品牌 Logo 应用领域
亚德诺 - ADI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管PC
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11页 179K
描述
CMOS Switched-Capacitor Voltage Converters

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中文翻译

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ADM660ARZ 数据手册

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CMOS Switched-Capacitor  
Voltage Converters  
ADM660/ADM8660  
TYPICAL CIRCUIT CONFIGURATIONS  
FEATURES  
ADM660: Inverts or Doubles Input Supply Voltage  
ADM8660: Inverts Input Supply Voltage  
100 mA Output Current  
+1.5V TO +7V  
INPUT  
Shutdown Function (ADM8660)  
2.2 ␮F or 10 ␮F Capacitors  
0.3 V Drop at 30 mA Load  
+1.5 V to +7 V Supply  
V+  
FC  
ADM660  
OSC  
CAP+  
+
C1  
10␮F  
LV  
GND  
INVERTED  
NEGATIVE  
OUTPUT  
Low Power CMOS: 600 ␮A Quiescent Current  
Selectable Charge Pump Frequency (25 kHz/120 kHz)  
Pin Compatible Upgrade for MAX660, MAX665, ICL7660  
Available in 16-Lead TSSOP Package  
CAP–  
OUT  
C2  
10␮F  
+
Voltage Inverter Configuration (ADM660)  
APPLICATIONS  
Handheld Instruments  
Portable Computers  
Remote Data Acquisition  
Op Amp Power Supplies  
+1.5V TO +7V  
INPUT  
V+  
FC  
ADM8660  
CAP+  
+
10␮F  
LV  
C1  
GND  
INVERTED  
NEGATIVE  
OUTPUT  
GENERAL DESCRIPTION  
The ADM660/ADM8660 is a charge-pump voltage converter  
that can be used to either invert the input supply voltage giving  
OUT  
CAP–  
SD  
C2  
SHUTDOWN  
CONTROL  
10␮F  
+
VOUT = –VIN or double it (ADM660 only) giving VOUT = 2 ϫ VIN  
.
Voltage Inverter Configuration with Shutdown (ADM8660)  
Input voltages ranging from +1.5 V to +7 V can be inverted into  
a negative –1.5 V to –7 V output supply. This inverting scheme  
is ideal for generating a negative rail in single power supply  
systems. Only two small external capacitors are needed for the  
charge pump. Output currents up to 50 mA with greater than  
90% efficiency are achievable, while 100 mA achieves greater  
than 80% efficiency.  
The ADM660 is a pin compatible upgrade for the MAX660,  
MAX665, ICL7660, and LTC1046.  
The ADM660/ADM8660 is available in 8-lead DIP and  
narrow-body SOIC. The ADM660 is also available in a 16-lead  
TSSOP package.  
A Frequency Control (FC) input pin is used to select either  
25 kHz or 120 kHz charge-pump operation. This is used to  
optimize capacitor size and quiescent current. With 25 kHz  
selected, a 10 µF external capacitor is suitable, while with 120 kHz  
the capacitor may be reduced to 2.2 µF. The oscillator frequency  
on the ADM660 can also be controlled with an external capacitor  
connected to the OSC input or by driving this input with an  
external clock. In applications where a higher supply voltage is  
desired it is possible to use the ADM660 to double the input  
voltage. With input voltages from 2.5 V to 7 V, output voltages  
from 5 V to 14 V are achievable with up to 100 mA output current.  
ADM660/ADM8660 Options  
Option  
ADM660  
ADM8660  
Inverting Mode  
Doubling Mode  
External Oscillator  
Shutdown  
Y
Y
Y
N
Y
N
N
Y
Package Options  
R-8  
N-8  
Y
Y
Y
Y
Y
N
The ADM8660 features a low power shutdown (SD) pin instead  
of the external oscillator (OSC) pin. This can be used to disable  
the device and reduce the quiescent current to 300 nA.  
RU-16  
C
REV.  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
781/461-3113  
www.analog.com  
Analog Devices, Inc. All rights reserved.  
2011  
Fax:  
©
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中文翻译

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ADM660ARZ 替代型号

型号 品牌 替代类型 描述 数据表
ADM660AR-REEL ADI

完全替代

 IC SWITCHED CAPACITOR CONVERTER, 120 kHz SWITCHING FREQ-MAX, PDSO8, MS-012AA, SOIC-8, Swit
ADM660ARZ-REEL ADI

完全替代

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ADM660ARZ-REEL7 ADI

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