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參數資料
| 型號： | LM2665M6 |
| 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 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 210K |
| 代理商： | LM2665M6 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM2665M6/NOPB | 功能描述:電荷泵 SWITCHED CAPACITOR VLTG CONVERTER 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 |
| LM2665M6/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Charge Pump Converter (DC-DC) IC |
| LM2665M6X | 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 |
| 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 |
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