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LMC7660IN/NOPB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
PDIP-8
描述:
Texas Instruments### 电荷泵转换器，Texas InstrumentsTexas Instruments 易于使用的无电感器电荷泵 IC 提供更简单的小型解决方案，具有高性能。 电荷泵或开关电容器转换器是电感式直流-直流转换器的备选解决方案，且提供比低压降 (LDO) 调节器更高的效率。
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LMC7660IN/NOPB数据手册
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LMC7660
Switched Capacitor Voltage Converter
General Description
The LMC7660 is a CMOS voltage converter capable of
converting a positive voltage in the range of +1.5V to +10V to
the corresponding negative voltage of −1.5V to −10V. The
LMC7660 is a pin-for-pin replacement for the industry-
standard 7660. The converter features: operation over full
temperature and voltage range without need for an external
diode, low quiescent current, and high power efficiency.
The LMC7660 uses its built-in oscillator to switch 4 power
MOS switches and charge two inexpensive electrolytic ca-
pacitors.
Features
n Operation over full temperature and voltage range
without an external diode
n Low supply current, 200 µA max
n Pin-for-pin replacement for the 7660
n Wide operating range 1.5V to 10V
n 97% Voltage Conversion Efficiency
n 95% Power Conversion Efficiency
n Easy to use, only 2 external components
n Extended temperature range
n Narrow SO-8 Package
Block Diagram
00913601
Pin Configuration
00913602
Ordering Information
Package Temperature Range NSC Drawing
Industrial
−40˚C to +85˚C
8-Lead Molded DIP LMC7660IN N08E
8-Lead Molded Small Outline LMC7660IM M08A
February 2005
LMC7660 Switched Capacitor Voltage Converter
© 2005 National Semiconductor Corporation DS009136 www.national.com
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