Features
? 4.5V ~ 30V Supply Voltage Range
? Low Quiescent Current to 0.6mA (12V to 5V)
? 32V Input Over Voltage Protection
? 3% Voltage Reference Accuracy
? 7% Constant Current Accuracy
? Programmable Frequency (60KHz ~ 1MHz)
? Built in Adjustable Line-Compensation
? Hiccup Short Circuit Protection
? Duty Cycle Range (0~100%)
? Internal Soft Start 3ms
? CC/CV Mode Control
? SOP-8L Package
Applications
? Car Chargers
? Portable Charger Devices
? DC/DC Converters with Current Limit
General Description
The SP1081F is a synchronous buck Regulator with output current to 3.1A.It is designed to allow for operating a wide supply voltage range from 5V to 30V. The internal compensation requires a minimum number of readily available standard external components.
The SP1081F operates in the CC(Constant output Current) mode or CV(Constant output Voltage) mode, and the OCP current value is set by current sensing power resisters or setting non power resisters.
The SP1081F is suitable for the DC/DC switching power applications when requested the current limit function.
The devices are available in SOP-8L package and require very few external devices for operation.
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