MAX660M National Semiconductor, MAX660M Datasheet
MAX660M
Manufacturer Part Number
MAX660M
Description
DC/DC Charge Pump Converter IC
Manufacturer
National Semiconductor
Specifications of MAX660M
No. Of Pins
8
Peak Reflow Compatible (260 C)
No
Supply Voltage Max
550V
Leaded Process Compatible
No
Mounting Type
Surface Mount
Package / Case
8-SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Manufacturer
Quantity
Price
Part Number:
MAX660M
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
MAX660MJA
Manufacturer:
MAXIM
Quantity:
882
Company:
Part Number:
MAX660MJA/883B
Manufacturer:
HAR
Quantity:
23
Part Number:
MAX660MX
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
MAX660MX/NOPB
Manufacturer:
NS
Quantity:
10
Part Number:
MAX660MX/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
© 1999 National Semiconductor Corporation
MAX660
Switched Capacitor Voltage Converter
General Description
The MAX660 CMOS charge-pump voltage converter inverts
a positive voltage in the range of 1.5V to 5.5V to the corre-
sponding negative voltage. The MAX660 uses two low cost
capacitors to provide 100 mA of output current without the
cost, size, and EMI related to inductor based converters.
With an operating current of only 120 µA and operating effi-
ciency greater than 90% at most loads, the MAX660 pro-
vides ideal performance for battery powered systems. The
MAX660 may also be used as a positive voltage doubler.
The oscillator frequency can be lowered by adding an exter-
nal capacitor to the OSC pin. Also, the OSC pin may be used
to drive the MAX660 with an external clock. A frequency con-
trol (FC) pin selects the oscillator frequency of 10 kHz or 80
kHz.
Typical Application Circuits
Connection Diagram
Ordering Information
Order Number
MAX660MX
MAX660M
Voltage Inverter
Date Code
Date Code
MAX660M
MAX660M
Top Mark
DS100898
Package
DS100898-1
M08A
M08A
8-Lead SO
Top View
DS100898-5
Features
n Inverts or doubles input supply voltage
n Narrow SO-8 Package
n 6.5
n 88% typical conversion efficiency at 100 mA
n Selectable oscillator frequency: 10 kHz/80 kHz
Applications
n Laptop computers
n Cellular phones
n Medical instruments
n Operational amplifier power supplies
n Interface power supplies
n Handheld instruments
Rail (95 units/rail)
Tape and Reel (2500 units/rail)
typical output resistance
Positive Voltage Doubler
Supplied as
November 1999
www.national.com
DS100898-2
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