AS1340A-BTDT-10

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PMIC - Voltage Regulators - DC DC Switching Regulators

The AS1340A-BTDT-10 switching regulator is a high-efficiency, low-noise DC/DC controller that helps power mobile and battery powered products. It is suitable for wide input voltage range and small size applications. The built-in synchronous rectifier and adaptive voltage scaling can minimize the input current noise and requires fewer output capacitors. This makes it well suited for battery powered applications.

The AS1340A-BTDT-10 switching regulator operates over an input voltage range of 4.5V to 18V, with output voltages as low as 1V . It features low quiescent current and low noise operation. The maximum output current is 3A. The built-in switching frequency of the AS1340A-BTDT-10 switching regulator can be programmed in the range of 300 kHz to 1.4 MHz, allowing for size and efficiency optimization.

The AS1340A-BTDT-10 switching regulator can be used in a variety of applications, such as laptop and tablet computers, cellular phones, PDAs, handheld games and audio devices. It offers a high power efficiency, making it suitable for battery powered applications.

The AS1340A-BTDT-10 switching regulator has an internal switch that allows it to control the output voltage. The output voltage is set by the external voltage divider or a DAC. The feedback voltage is sensed to provide voltage regulation. A pulse-width modulation (PWM) signal is generated to control the internal switch. The duty cycle of this signal is then adjusted to achieve the desired voltage regulation.

The AS1340A-BTDT-10 switching regulator also features an adjustable soft-start and output current limit. The soft-start minimizes inrush current to avoid stressing the power supply and to reduce average current consumption in case of no load condition. The output current limit helps protect the regulator under load conditions.

The AS1340A-BTDT-10 switching regulator can be implemented in a few steps. First, the external components need to be configured with the desired parameters. Then the external feedback resistors need to be adjusted as per the requirements. After that, the device can be put into operation by providing the enable and soft-start signals. Finally, the switching frequency can be adjusted as per the application.

In conclusion, the AS1340A-BTDT-10 switching regulator is a high-efficiency, low-noise device with wide input voltage range and small size suitable for a variety of applications. It offers adjustable soft-start and output current limit, making it suitable for battery powered applications. Easy to configure, it can be implemented quickly with minimal effort.

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