LDK715M42R

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LDK715M42R is a 4700mA adjustable single LDO with a line-up of 320mV to 5.5V, offering the flexibility to power intermediate voltage with a single device. It has low output noise and low quiescent current (88uA), making it ideal for low-power applications, such as wearables and various battery-operated devices. LDK715M42R voltage regulators belong to the PMIC (Power Management Integrated Circuit) series, Voltage Regulators subcategory, Linear type.

LDK715M42R is designed to regulate the output voltage by adjusting the reference voltage of an internal error amplifier, which is compared to an external voltage applied to an adjustable voltage divider. When the reference voltage from the error amplifier is lower than the external voltage applied to the voltage divider, the output voltage increases, and vice versa. The output voltage will remain constant until the output voltage exceeds the reference voltage.

LDK715M42R is specifically designed for applications requiring low input supply voltage and low quiescent current (IQ). This allows it to be the ideal choice for battery management and extreme low power systems. Additionally, the device provides excellent transient responses, minimizing the output voltage deviation in response to heavy load steps. The internal voltage regulation and extremely low quiescent current make LDK715M42R ideal for wearable, portable, battery-powered devices and other space-constrained applications.

LDK715M42R also offers excellent tolerances with reference voltage initial accuracy of ±1.5%, which ensures no trimming or recalibration is required. The device also offers a high thermal stability with up to 56.5mV/°C temperature coefficient which ensures the accuracy and stability of the output voltage is maintained at higher operating temperatures.

LDK715M42R also features a wide operating temperature range of -40°C to +125°C, making it applicable for a variety of harsh environments such as automotive and industrial applications. The device also has a wide input range of 6.5V to 24V, allowing it to be used to regulate a variety of intermediate voltage ranges with a single device.

LDK715M42R is also designed to be used in applications where shutdown is required. An active high enable signal makes the regulator operational and an active low enable signal shuts down the regulator, reducing its quiescent current to less than 0.1uA. This feature makes it an ideal choice for battery operated devices which require long battery life.

LDK715M42R is a versatile device, suitable for a wide range of applications requiring low-current, low-noise, and low-dropout regulation. Its wide temperature range and low quiescent current makes it ideal for battery operated devices and other space-constrained applications that require precision regulation of intermediate voltage. The internal voltage regulation and enable signal makes it an ideal choice for long battery life products.

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