MAX660M National Semiconductor, MAX660M Datasheet - Page 9

• 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

Other Applications
(Continued)
The error flag on pin 5 of the LP2951 goes low when the regulated output at pin 4 drops by about 5%. The LP2951 can be shut-
down by taking pin 3 high.
DS100898-11
FIGURE 9. Combining MAX660 with LP2951 to Make a Negative Adjustable Regulator
Also, as shown in Figure 10 by operating MAX660 in voltage doubling mode and adding a linear regulator (such as LP2981) at
the output, we can get +5V output from an input as low as +3V.
DS100898-12
FIGURE 10. Generating +5V from +3V Input Voltage
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