ICL7660CUA+T

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The ICL7660CUA+T is part of a variety of voltage regulators that fall into the PMIC - Voltage Regulators - DC DC Switching Regulators classification. It is a highly efficient, bi-directional, low power dc to dc switching regulator and voltage converter. It is designed to accept input voltages from 1.5V to 6V, and output a regulated 5V. The efficiency of the ICL7660CUA+T is as high as 95%, making it an ideal choice for applications that require an efficient voltage regulator.

The ICL7660CUA+T functions by using the principle of hysteretic pulse-width modulation (PWM) control, which is a type of control methodology that uses a variable-width pulses to control the output voltage of a dc converter. The on and off times of the pulses are determined by comparing the voltage of the output with the voltage of a reference voltage, referred to as the hysteretic voltage. If the output voltage drops below the hysteretic voltage, then the width of the pulses is increased while the frequency of the pulses remain the same. Conversely, if the output voltage is larger than the hysteretic voltage, the width of the pulses will decrease and the frequency of the pulses will remain the same.

The ICL7660CUA+T is specifically designed for low power operations, boasting a current consumption that is as low as 120µA, making it an ideal choice for battery powered applications. Additionally, the parts features a 0.5V Blank Delay of 3µs and a Ripple Rejection Ratio of 45dB. This level of ripple rejection is suitable for most applications and will help reduce any unwanted noise or interference from the circuit. The parts internal circuitry is designed to protect the output from over-voltage and over-current conditions, which can result from a faulty load or a circuit that has been mis-configured. These protections allow the device to safely shut off its output under hostile conditions.

In addition to the ICL7660CUA+T’s integrated protection features, it also includes a Fault Indicator that can be used to signal an over-current or over-voltage fault condition. This LED indicator provides an additional layer of protection by alerting the user to any potential problems. The ICL7660CUA+T is available in an 8-pin PDIP or SOIC package and its temperature range is -40°C to +85°C. The parts have a specified lifetime of 1000 hours, making it reliable for many applications.

The ICL7660CUA+T is an ideal choice for powering many micro-controller circuits and other battery-powered applications. Its high efficiency and low current consumption make it an ideal choice for many battery applications. Its internal protections, fault indicators, and reliable operation provide a safe and reliable solution for many applications.

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