MAX660 Maxim Integrated Products, MAX660 Datasheet
MAX660
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MAX660 Summary of contents
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... The oscillator frequency can also be adjusted with an external capacitor or driven with an external clock. The MAX660 is a pin- compatible, high-current upgrade of the ICL7660. The MAX660 is available in both 8-pin DIP and small- outline packages in commercial, extended, and military temperature ranges ...
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... Note 4: The ESR ≤ 0.5Ω. Guaranteed by correlation, not production tested. 2 _______________________________________________________________________________________ Operating Temperature Ranges MAX660C_ _ ........................................................0°C to +70°C MAX660E_ _ .....................................................-40°C to +85°C MAX660MJA ...................................................-55°C to +125°C Storage Temperature Range............................... -65°to +160°C Lead Temperature (soldering, 10sec) ........................... +300°C ...
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... SUPPLY VOLTAGE (V) EFFICIENCY vs. LOAD CURRENT 100 LOAD CURRENT (mA) _________________________________________________________________________________________________ = +25° Figure 1. MAX660 Test Circuit SUPPLY CURRENT vs. OSCILLATOR FREQUENCY 10 1 0.1 0.01 5.5 0 OSCILLATOR FREQUENCY (kHz) OUTPUT VOLTAGE DROP vs. LOAD CURRENT 1 2.5V 0.8 0 3.5V 0 4.5V 0 5.5V ...
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CMOS Monolithic Voltage Converter _____________________________Typical Operating Characteristics (continued) EFFICIENCY vs. OSCILLATOR FREQUENCY 100 1mA LOAD 10mA LOAD 80mA LOAD 0 100 OSCILLATOR ...
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CMOS Monolithic Voltage Converter OUTPUT CURRENT vs. CAPACITANCE +4.5V -4V IN OUT 120 100 OSC = OPEN 0.33 1.0 2.0 2.2 4 100 220 CAPACITANCE ...
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... LV may be connected to GND or left open. The part is typically operated with LV grounded, but since LV may be left open, the substitution of the MAX660 for the ICL7660 is simplified. LV must be grounded when over- driving OSC (see Changing Oscillator Frequency sec- tion) ...
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... These curves assume 0.25Ω capacitor ESR and a 5.25Ω MAX660 output resistance, which is why the flat portion of the curve shows a 6.5Ω (ESR ) + ESR ) effective output resistance ...
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... Figure 4 shows the equation for calculating Aluminum elec- output resistance. trolytic thru-hole Low-ESR tantalum SMT Ceramic SMT Ceramic SMT "n" OUT C2n = -nV IN Figure 4. Paralleling MAX660s to Reduce Output Resistance Cascading Devices values. The output voltage, where OUT IN Paralleling Devices R (of MAX660) OUT R = OUT n (NUMBER OF DEVICES ...
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... Figure 5. Combined Positive Multiplier and Negative Converter _______________________________________________________________________________________ 3V LITHIUM BATTERY DURACELL DL123A 150µF NOTE: ALL 150µF CAPACITORS ARE MAXC001, AVAILABLE FROM MAXIM. D1 1N4148 Figure 6. MAX660 generates a +5V regulated output from lithium battery and operates for 16 hours with a 40mA load. OUT ( ...
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CMOS Monolithic Voltage Converter ___________________Chip Topography V+ FC CAP+ GND CAP- OUT 0.073" (1.85mm) TRANSISTOR COUNT = 89 SUBSTRATE CONNECTED TO V+. 10 ______________________________________________________________________________________ 0.120" (3.05mm) OSC LV ...
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CMOS Monolithic Voltage Converter ________________________________________________________Package Information ______________________________________________________________________________________ 0° - 15° Plastic DIP PLASTIC DUAL-IN-LINE PACKAGE (0.300 in.) 0.101mm 0.004in. C ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1996 Maxim Integrated Products ...