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SP1088F
It is a synchronous step-down converter that can drive a load current of 2.4A.
- Product Description
-
- Commodity name: SP1088F
- 封装: SOP8
- 品牌: Wuxi Silicon Power Microelectronics
It is a synchronous step-down converter that can drive a load current of 2.4A.
The SP1088F is a synchronous step-down converter capable of driving a 2.4A load current. The design allows the SP1088F to operate within a wide input voltage range of 9V to 40V. An external shutdown function is achieved by pulling the COMP/EN pin logic level low, entering standby mode. External compensation provides the feedback control loop with good line regulation and load regulation, and flexible peripheral design.
The SP1088F can operate in either CC (constant current output) or CV (constant voltage output) mode. The overcurrent protection (OCP) current value can be precisely set via an external current sensing resistor.
The SP1088F is suitable for DC/DC switching power supplies with current limiting requirements. The chip uses an SOP8 package and requires only a few external components.
Typical Application Diagram
Features
● Input voltage range: 9～40V
● Output voltage accuracy (Vref=1.0V): ±2.0%
● CC/CV mode
● Current limit point precisely set via external resistor; current limit accuracy: ±5%
● Over-temperature protection (OTP)
● Built-in soft-start time: 3ms
● Fixed frequency: 120KHz
● Input undervoltage protection (typical 7.5V)
● Duty cycle range: 0～95%
● COMP pin enables both external compensation and shutdown control
● Output can use ceramic capacitors
● Adjustable output cable voltage drop compensation
● SOP8 package
Applications
● Automotive chargers
● Portable charging devices
● General-purpose DC/DC converters with current limiting functionality
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