參數(shù)資料
型號(hào)： LM2665M6X
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Switched Capacitor Voltage Converter
中文描述： SWITCHED CAPACITOR CONVERTER, 160 kHz SWITCHING FREQ-MAX, PDSO6
封裝： SOT-23, 6 PIN
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 210K
代理商： LM2665M6X
LM2665
Switched Capacitor Voltage Converter
General Description
The LM2665 CMOS charge-pump voltage converter oper-
ates as a voltage doubler for an input voltage in the range of
+2.5V to +5.5V. Two low cost capacitors and a diode
(needed during start-up) are used in this circuit to provide up
to 40 mA of output current. The LM2665 can also work as a
voltage divider to split a voltage in the range of +1.8V to
+11V in half.
The LM2665 operates at 160 kHz oscillator frequency to re-
duce output resistance and voltage ripple. With an operating
current of only 650 μA(operating efficiency greater than 90%
with most loads) and 1μA typical shutdown current, the
LM2665 provides ideal performance for battery powered
systems. The device is in SOT-23-6 package.
Features
n
Doubles or Splits Input Supply Voltage
n
SOT23-6 Package
n
12
Typical Output Impedance
n
90% Typical Conversion Efficiency at 40 mA
n
1μA Typical Shutdown Current
Applications
n
Cellular Phones
n
Pagers
n
PDAs
n
Operational Amplifier Power Suppliers
n
Interface Power Suppliers
n
Handheld Instruments
Basic Application Circuits
Voltage Doubler
DS100049-1
Splitting V
in
in Half
DS100049-2
November 1999
L
1999 National Semiconductor Corporation
DS100049
www.national.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2665M6X/NOPB 功能描述:電荷泵 RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube
LM266XW 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
LM2670 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
LM2670_05 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ High Efficiency 3A Step-Down Voltage Regulator with Sync
LM2670EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2670EP Enhanced Plastic SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
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