MAX660M/NOPB National Semiconductor, MAX660M/NOPB Datasheet
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MAX660M/NOPB
Specifications of MAX660M/NOPB
*MAX660M/NOPB
MAX660M
Related parts for MAX660M/NOPB
MAX660M/NOPB Summary of contents
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... Order Number Top Mark MAX660M Date Code MAX660M MAX660MX Date Code MAX660M © 1999 National Semiconductor Corporation DS100898 Features n Inverts or doubles input supply voltage n Narrow SO-8 Package n 6.5 typical output resistance n 88% typical conversion efficiency at 100 mA n Selectable oscillator frequency: 10 kHz/80 kHz ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V+ to GND, or GND to OUT) LV (OUT − 0.3V) to (GND + 3V) FC, OSC The least negative of (OUT − 0.3V) or (V+ − 6V) to (V+ + 0.3V) ...
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Test Circuit Typical Performance Characteristics Supply Current vs Supply Voltage DS100898-36 Output Source Resistance vs Temperature DS100898-39 DS100898-4 FIGURE 1. MAX660 Test Circuit (Circuit of Figure 1 ) Supply Current vs Oscillator Frequency DS100898-37 Efficiency vs Load Load Current DS100898-40 ...
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Typical Performance Characteristics Efficiency vs Oscillator Frequency DS100898-13 Oscillator Frequency Supply Voltage (FC = V+) DS100898-16 Oscillator Frequency vs Temperature (FC = Open) DS100898-19 www.national.com (Circuit of Figure 1 ) (Continued) Output Voltage vs Oscillator Frequency DS100898-14 Oscillator Frequency vs ...
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Pin Description Pin Name Voltage Inverter 1 FC Frequency control for internal oscillator open kHz (typ); OSC kHz (typ); OSC FC has no effect when OSC pin is driven ...
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Application Information Again, using a low ESR capacitor will result in lower ripple. POSITIVE VOLTAGE DOUBLER The MAX660 can operate as a positive voltage doubler (as shown in the Typical Application Circuits). The doubling func- tion is achieved by reversing ...
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Application Information (Continued) FIGURE 4. Output Source Resistance vs Oscillator Frequency TABLE 2. Low ESR Capacitor Manufacturers Manufacturer Phone Nichicon Corp. (708)-843-7500 (708)-843-2798 AVX Corp. (803)-448-9411 (803)-448-1943 Sprague (207)-324-4140 (207)-324-7223 Sanyo (619)-661-6835 (619)-661-1055 Other Applications PARALLELING DEVICES Any number of ...
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Other Applications (Continued) A three-stage cascade circuit shown in Figure 7 generates −3V Cascading is also possible when devices are operating in doubling mode. In Figure 8 , two devices are cascaded to generate 3V An example of using the ...
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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. FIGURE 9. Combining MAX660 ...
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Other Applications (Continued) OTHER SWITCHED-CAPACITOR CONVERTERS Please refer to Table 3 , which shows National’s Switched-Capacitor Converter products. LM2664 Package SOT23-6 Supply Current (typ., mA) 0.22 Output (typ.) Oscillator (kHz) Input (V) 1.8 to 5.5 Output Mode(s) Invert LM2660 Package ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...