LM385BD-1-2

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Power management integrated circuits (PMICs) are used in various applications for providing precise voltage references for on-chip power control circuits. The LM385BD-1-2 is a dual adjustable low-power voltage reference specifically designed for analog and digital power control circuits. It provides precise, low-power and low-noise references without the need for an external reference board or external components. The LM385BD-1-2 is an ideal choice for enabling precision voltage regulation in a variety of applications.

The LM385BD-1-2 is a dual-adjustable low-power voltage reference with an adjustable output voltage range between 1V and 6V. It is capable of operating at currents of 1mA and its minimum output voltage is factory-adjusted to 1.2V. The device includes two integrated voltage references for power control. The two references consist of two 10Ω resistors, a single N-MOSFET, and two adjustable terminals for adjusting the output voltage. The output voltage is precisely adjustable with a single resistor (2.2kohm). The output voltage of the LM385BD-1-2 is not affected by temperature and is designed to provide a stable voltage over an extended temperature range.

The working principle of the LM385BD-1-2 voltage reference is relatively simple. It is based on the principle of resistor-divider construction. The device contains two 10Ω resistors coupled between the adjustable terminal and ground. These resistors provide a known reference voltage. The output voltage is then derived by feeding the reference voltage into the N-MOSFET, which serves as a voltage regulator and allows the output voltage to be precisely adjusted using a single 2.2K resistor. The output voltage of the LM385BD-1-2 is proportionally adjusted between 1 and 6 Volts, depending on the value of the resistor.

The LM385BD-1-2 is widely used in a variety of applications. Its low power and low noise characteristics make it ideal for portable and low-power systems. It is used in battery-powered applications such as medical instruments, communication systems, and computer peripherals. It is also used for power management in home automation, and for powering LEDs in lighting systems. The device can also be used for precision voltage regulation in automotive, industrial, and telecom systems.

In summary, the LM385BD-1-2 is a dual adjustable low-power voltage reference designed for power control applications requiring precise, low-power and low-noise references. The device is based on a resistor-divider construction, and contains two 10Ω resistors coupled between the adjustable terminal and ground. The output voltage of the LM385BD-1-2 is not affected by temperature and is designed to provide a stable voltage over an extended temperature range. The device is widely used in a variety of applications such as medical instruments, communication systems, computer peripherals, automotive, industrial and telecom systems.

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