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RT8283A Datasheet PDF

Richtek
Part Number RT8283A
Manufacturer Richtek
Title 340kHz Synchronous Step-Down Converter
Description The RT8283A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V inp...
Features ±1.5% High Accuracy Feedback Voltage 4.5V to 23V Input Voltage Range 3A Output Current Integrated N-MOSFET Switches Current Mode Control Fixed Frequency Operation : 340kHz Output Adjustable from 0.8V to 20V Up to 95% Efficiency Programmable Soft-Start Stable with Low-ESR Ceramic Output Capacitors Cy...

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RT8282A : Features The RT8282A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8282A's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT8282A also provides under voltage protection and thermal shutdown prptection. The low current (3μA) shutdown mode provides output disconnect, enabling easy power management in batterypowered systems. The RT8282A is available in .

RT8282B : The RT8282B is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8282B's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT8282B also provides under voltage protection and thermal shutdown protection. The low current (3μA) shutdown mode provides output disconnect, enabling easy power management in batterypowered systems. The RT8282B is available in a SOP-8 (Ex.

RT8283B : The RT8283B is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8283B's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT8283B provides output under voltage protection and thermal shutdown protection. The low current (3μA) shutdown mode provides output disconnect, enabling easy power management in batterypowered systems. The RT8283B is available in a SOP-8 (.

RT8284 : The RT8284 is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during startup. The RT8284 also provides under voltage protection and thermal shutdown protection. The low current ( 3μA) shutdown mode provides output disconnect, enabling easy power management in battery powered systems. The RT8284 is a available in a SOP-8 and .

RT8284N : The RT8284N is a high efficiency, monolithic synchronous step down DC-DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284N's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start up. The RT8284N also provides under voltage protection and thermal shutdown protection. The low current ( 3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT8284N is a available in a SO.

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RT8288 : The RT8288 is a synchronous step-down regulator with an internal power MOSFET. It achieves 3A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. An internal soft-start minimizes external parts count and internal compensation circuitry. The RT8288 requires a minimal number of readily available external components, providing a compact solution. Features z z z z 3A Output Current Internal Soft-Start 120mΩ/40mΩ Internal Power MOSFET Switch Internal Compensation Minimizes .

RT8288A : The RT8288A is a synchronous step-down regulator with an internal power MOSFET. It achieves 4A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. An internal soft-start minimizes external parts count and internal compensation circuitry. The RT8288A requires a minimal number of readily available external components, providing a compact solution. Features z z z z 4A Output Current Internal Soft-Start 120mΩ/40mΩ Internal Power MOSFET Switch Internal Compensation Minimize.

RT8289 : The RT8289 is a step-down regulator with an internal Power MOSFET. It achieves 5A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. The RT8289 provides protections such as cycle-by-cycle current limiting and thermal shutdown. In shutdown mode, the regulator draws 25μA of supply current. The RT8289 requires a minimum number of external components, to provide a compact solution. The RT8289 is available in a SOP-8 (Exposed Pad) package. Ordering Information RT8289 Package Type SP : SOP-8 (Exposed Pad-Option 1) Note : Lead Plating System G : Green (Halogen F.




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