ICL7660 CMOS Voltage Converters

SKU: 20193831

Price:
22 AED

"Shipping: 3-6 days"

Stock:
In stock

Description

DIP-8 - The ICL7660 is a monolithic CMOS power supply circuit that
offers unique performance advantages over previously
available devices. The ICL7660 performs supply voltage
conversions from positive to negative for an input range of
+1.5V to +10.0V resulting in complementary output voltages
of -1.5V to -10.0V. Only two noncritical external capacitors
are needed for the charge pump and charge reservoir
functions. The ICL7660 can also be connected to function as
voltage doublers and can generate output voltages up to
+18.6V with a +10V input.
Contained on the chip are a series DC supply regulator, RC
oscillator, voltage level translator, and four output power
MOS switches. A unique logic element senses the most
negative voltage in the device and ensures that the output
N-Channel switch source-substrate junctions are not forward
biased. This assures latchup free operation.
The oscillator, when unloaded, oscillates at a nominal
frequency of 10kHz for an input supply voltage of 5.0V. This
frequency can be lowered by the addition of an external
capacitor to the OSC terminal, or the oscillator may be
overdriven by an external clock.
The LV terminal may be tied to GROUND to bypass the
internal series regulator and improve low voltage (LV)
operation. At medium to high voltages of +3.5V to +10.0V,
the LV pin is left floating to prevent device latchup Simple Conversion of +5V Logic Supply to ±5V Supplies
• Simple Voltage Multiplication (VOUT = (-) nVIN)
• Typical Open Circuit Voltage Conversion Efficiency 99.9%
• Typical Power Efficiency 98%
• Wide Operating Voltage Range of 1.5V to 10.0V
• Easy to Use - Requires Only Two External Non-Critical
Passive Components
• No External Diode Over Full Temperature and Voltage
Range
• Pb-Free Plus Anneal Available (RoHS Compliant)

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