ICE3DS01L

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The ICE3DS01L is a Constant-On-Time (COT) synchronous rectification step-down DC/DC for Voltage-in-Range (VIN) applications. It is designed to provide an adjustable output voltage range of 1.8V to 5.5V, with integrated protection circuits that are optimized for wide input range.

The ICE3DS01L is a single-channel DC/DC controller that is used to convert a given input voltage to a regulated output voltage. The device consists of a precision voltage equalization circuit, an over-voltage protection circuit, a thermal-shutdown circuit, and a synchronous rectification inductor driver. It is available in an 8-pin TSSOP or 8-pin SOIC package.

The device features an input voltage range of 3V to 16V, and an output voltage that can be adjusted from 1.8V to 5.5V by using an external voltage divider. It has a maximum output current of 6A, a COT switching frequency of up to 2MHz, and a switching accuracy of ±100 mV. The device also supports a low quiescent current of 200 μA and a very low maximum start-up current of 400 μA.

The ICE3DS01L works using a Constant-On-Time (COT) control architecture that drives the synchronous rectification MOSFETs to switch on and off. This ensures a constant output voltage despite variations in the input voltage or the load current. The IC also features a pulse-width modulation (PWM) dimming control to enable an efficient power management.

The device has integrated over-voltage protection, thermal-shutdown protection, and short-circuit protection. It also integrates startup/enable, cell-standby/soft-start, and voltage/current-sense options. In addition, the device includes a power good signal, which is used to monitor the output voltage.

The ICE3DS01L is well suited for wide range voltage-in-range applications such as system power supplies, automotive engine controls, and other low power applications. The device has a temperature range of -40°C to 85°C, and is available in a RoHS compliant package.

In conclusion, the ICE3DS01L is an ideal PMIC for a wide array of AC/DC converters and offline switchers. Its advanced protection circuits, Constant-On-Time control architecture, and PWM dimming control make it an ideal choice for efficient and reliable power management solutions.

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