LMC7660IMX National Semiconductor, LMC7660IMX Datasheet
LMC7660IMX
Manufacturer Part Number
LMC7660IMX
Description
IC,DC/DC CONVERTER,-1.5/-10V,CMOS,SOP,8PIN
Manufacturer
National Semiconductor
Specifications of LMC7660IMX
Rohs Compliant
NO
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NS/国半
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TI
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© 2005 National Semiconductor Corporation
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.
Block Diagram
Pin Configuration
Ordering Information
8-Lead Molded Small Outline
8-Lead Molded DIP
Package
DS009136
Temperature Range NSC Drawing
Features
n Operation over full temperature and voltage range
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
−40˚C to +85˚C
without an external diode
LMC7660IM
LMC7660IN
Industrial
00913602
M08A
N08E
00913601
February 2005
www.national.com
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