ISL9012IRJNZ-T

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Linear voltage regulators are power management ICs that provide high accuracy, low noise and fast transient response in all electrical systems. The ISL9012IRJNZ-T is a low power and cost-effective linear solution for systems using energy efficient micro-controllers and processors. This voltage regulator offers 12 volts of output voltage, a maximum of 1.27 mV of output voltage ripple and a low quiescent current of 2.5mA.

The ISL9012IRJNZ-T uses an N-channel MOSFET (Metal–oxide–semiconductor field-effect transistor) to regulate the current transfer across the output terminals. The MOSFET generates the output voltage drop and is mainly responsible for the regulation process. The regulation of the output voltage is based on the MOSFET’s current limit. The current limit is set by a resistor located inside the IC. This resistor is preset and can be changed by changing the common mode reference voltage. To maintain a constant voltage, the MOSFET current limit must be adjusted in proportion to any changes in the load current.

The ISL9012IRJNZ-T comes with a current limit accuracy of ±2%, an output voltage accuracy of ±2% and an input voltage range of 2.7V- 5.5V. It also features a thermal protection and current fold-back. The thermal protection helps protect the IC from any damage due to overheating by shutting down the regulator. The current fold-back feature helps in preventing the regulator from short-circuit by gradually decreasing the current limit.

The ISL9012IRJNZ-T is widely used in automotive applications, industrial and consumer electronics and medical equipment. It is an ideal solution for 12V systems powered by popular low power microcontrollers and processors. This advanced and economical linear voltage regulator is also ideal for applications requiring low noise and ultra-fast transient response time.

The ISL9012IRJNZ-T is available in SOT23 (Small Outline Transistor) package. This cheap, low-power and small size voltage regulator is ideal for applications where space is a concern. The regulator features an integrated MOSFET, low quiescent current, high accuracy and fast response time. It can be used with a wide input voltage range, making it suitable for all kinds of applications.

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