MAX660 IC – CMOS Monolithic Voltage Converter IC

The MAX660 monolithic, charge-pump voltage inverter converts a +1.5V to +5.5V input to a corresponding -1.5V to -5.5V output. Using only two low-cost capacitors, the charge pump?s 100mA output replaces switching regulators, eliminating inductors and their associated cost, size, and EMI. Greater than 90% efficiency over most of its load-current range combined with a typical operating current of only 120?A provides ideal performance for both battery-powered and board level voltage conversion applications. The MAX660 can also double the output voltage of an input power supply or battery, providing +9.35V at 100mA from a +5V input. A frequency control (FC) pin selects either 10kHz typ or 80kHz typ (40kHz min) operation to optimize capacitor size and quiescent current. 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. 

SKU: RW-02135

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Description

The MAX660 monolithic, charge-pump voltage inverter converts a +1.5V to +5.5V input to a corresponding -1.5V to -5.5V output. Using only two low-cost capacitors, the charge pump?s 100mA output replaces switching regulators, eliminating inductors and their associated cost, size, and EMI. Greater than 90% efficiency over most of its load-current range combined with a typical operating current of only 120?A provides ideal performance for both battery-powered and board level voltage conversion applications. The MAX660 can also double the output voltage of an input power supply or battery, providing +9.35V at 100mA from a +5V input. A frequency control (FC) pin selects either 10kHz typ or 80kHz typ (40kHz min) operation to optimize capacitor size and quiescent current. 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. 

Features:-

? Small Capacitors 

? 0.65V Typ Loss at 100mA Load 

? Low 120?A Operating Current 

? 6.5? Typ Output Impedance 

? Guaranteed ROUT < 15? for C1 = C2 = 10?F 

? Pin-Compatible High-Current ICL7660 Upgrade 

Inverts or Doubles Input Supply Voltage 

? Selectable Oscillator Frequency: 10kHz/80kHz 

? 88% Typ Conversion Efficiency at 100mA (IL to GND) 

Specification:-

Parameter  Specification
Supply Voltage (V+ to GND, or GND to OUT) +6V
Storage Temperature Range -65?to +160?C
Lead Temperature +300?C
Operating Temperature Ranges 0?C to +70?C
Continuous Power Dissipation 727mW
Output Short-Circuit Duration to GND 1 sec
OUT and V+ Continuous Output Current 120mA


Related Document:-

 pdf.jpg (52?56) MAX660 IC Data Sheet 

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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