MAX660CSA Maxim Integrated Products, MAX660CSA Datasheet
MAX660CSA
Specifications of MAX660CSA
Available stocks
Related parts for MAX660CSA
MAX660CSA Summary of contents
Page 1
... Pin-Compatible High-Current ICL7660 Upgrade ♦ Inverts or Doubles Input Supply Voltage ♦ Selectable Oscillator Frequency: 10kHz/80kHz ♦ 88% Typ Conversion Efficiency at 100mA (I to GND) L ______________Ordering Information PART MAX660CPA MAX660CSA MAX660C/D MAX660EPA MAX660ESA MAX660MJA *Contact factory for dice specifications. _________Typical Operating Circuits C1 1µF to 150µ 1µ ...
Page 2
CMOS Monolithic Voltage Converter ABSOLUTE MAXIMUM RATINGS Supply Voltage (V+ to GND, or GND to OUT) .......................+6V LV Input Voltage ...............................(OUT - 0.3V) to (V+ + 0.3V) FC and OSC Input Voltages........................The least negative of (OUT - 0.3V) or (V+ ...
Page 3
CMOS Monolithic Voltage Converter __________________________________________Typical Operating Characteristics All curves are generated using the test circuit of Figure 1 with V+ =5V GND open, and T unless otherwise noted. The charge-pump frequency is one-half the oscillator frequency. ...
Page 4
CMOS Monolithic Voltage Converter _____________________________Typical Operating Characteristics (continued) EFFICIENCY vs. OSCILLATOR FREQUENCY 100 1mA LOAD 10mA LOAD 80mA LOAD 0 100 OSCILLATOR ...
Page 5
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 ...
Page 6
CMOS Monolithic Voltage Converter ______________Detailed Description The MAX660 capacitive charge-pump circuit either inverts or doubles the input voltage (see Typical Operating Circuits). For highest performance, low effective series resistance (ESR) capacitors should be used. See Capacitor Selection section for more ...
Page 7
CMOS Monolithic Voltage Converter frequency eight times. In the third mode, the oscillator frequency is lowered by connecting a capacitor between OSC and GND. FC can still multiply the fre- quency by eight times in this mode, but for a ...
Page 8
CMOS Monolithic Voltage Converter The following is a list of manufacturers who provide low-ESR electrolytic capacitors: Manufacturer/ Phone Fax Series AVX TPS Series (803) 946-0690 (803) 626-3123 AVX TAG Series (803) 946-0690 (803) 626-3123 Matsuo 267 Series (714) 969-2491 (714) ...
Page 9
CMOS Monolithic Voltage Converter Combined Positive Supply Multiplication and Negative Voltage Conversion This dual function is illustrated in Figure 5. In this cir- cuit, capacitors C1 and C3 perform the pump and reservoir functions respectively for generation of the negative ...
Page 10
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 ...
Page 11
CMOS Monolithic Voltage Converter ________________________________________________________Package Information ______________________________________________________________________________________ 0° - 15° Plastic DIP PLASTIC DUAL-IN-LINE PACKAGE (0.300 in.) 0.101mm 0.004in. C ...
Page 12
... 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 ...