ICL7660ESA+

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The ICL7660ESA+ is a highly efficient voltage regulator designed for purposes in a wide range of application fields such as portable devices, industrial applications, medical equipment and consumer electronics. This DC to DC Switching Regulator is specifically designed for high-efficiency power management in applications with low current consumption. The ICL7660ESA+ provides protection against over voltage, over current, reverse current, and inrush current.

This DC/DC switching regulator has a current-mode architecture and differential remote sensing capability. It features onboard current monitoring, quick recovery from current overload and fast transient response. Additionally, it has input and output voltage programming to enable the user to set the output voltage over a range of 0.2V to 6V.

The ICL7660ESA+ has a wide operating temperature range of -55C to +125C. This operating temperature means that this device can still be used in extreme ambient temperature environments, making it suitable for all sorts of applications. Additionally, it also has a low shutdown current of 0.1µA and a high switching frequency of 1.5MHz that can be programmed, ensuring efficient operation with minimal loss due to heat.

This switching regulator is built with low standby power dissipation, wide operating range and low quiescent current specifications. Additionally, the ICL7660ESA+ also features an external voltage feedback with the ability to set the output voltage from 0.2 V to 6V, allowing for flexible system level optimization and accurate output voltage regulation even in harsh environments.

The input and output power of the ICL7660ESA+ can be designed to within 2 dB variations. This feature ensures uniform and stable output power across the whole range of load conditions, even over temperature changes. Its control circuitry has an adjustable oscillator frequency and an extremely low voltage operating range, both of which ensure proper operation in any environment.

In terms of its working principle, the ICL7660ESA+ is a non-inverting SWITCHED CAPACITOR voltage regulator wherein a voltage ramp is generated by the internal oscillator. This ramp is used to control an external field-effect transistor (FET) switch. When the oscillator\'s ramp is at its peak it will switch the FET on. Charge will then be transferred from the input to the output through this switch and the load. The internal current limiting circuitry will regulate the amount of charge transferred and the output voltage.

The ICL7660ESA+ is a highly efficient voltage regulator that can handle a wide range of applications with a wide operating temperature range and low quiescent current. Its input and output power variation feature allows for uniform output power, while its adjustable oscillator and low voltage operating range ensure proper operation in any environment. All this makes this DC/DC Switching regulator an ideal choice for applications with low current consumption and harsh environments.

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