24V Input Voltage-Mode Buck PWM Controller CXSD62395 provides complete control and protection for a DC-DC converter for high power applications. It is designed to drive two N-channel MOSFETs in a sync

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The CXSD62395 provides complete control and protection for a DC-DC converter for high power applications. It is designed to drive two N-channel MOSFETs in a synchronous-rectified buck topology. The CXSD62395 integrates all of the control, and protection functions into a single package. The CXSD62395 provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 300KHz free-running triangle-wave oscillator. The error amplifier features a 15MHz gain-bandwidth product which provides high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 80%. The reference voltage is 0.8V, 2% accuracy. The CXSD62395 has internal soft start and executes cycle-by-cycle current limit during soft start interval. The CXSD62395 monitors the current by using the RDS(ON) of the low-side MOSFET which eliminates the need for a current sensing resistor. The under-voltage protection function monitors voltage at FB pin. The over-current and under-voltage events after soft-start interval trigger hiccup mode protection.

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Drives Two N-Channel MOSFETs YHD嘉泰姆

Operates at 5V Supply Voltage YHD嘉泰姆

Voltage-Mode PWM Control YHD嘉泰姆

Fast Transient Response YHD嘉泰姆

0.8V, 2% Accuracy Reference Voltage YHD嘉泰姆

Internal Soft Start YHD嘉泰姆

Constant 300kHz Switching Frequency YHD嘉泰姆

Over-Current Fault Monitors by Using Low-Side MOSFET RDS(ON) YHD嘉泰姆

Output Under-Voltage ProtectionYHD嘉泰姆

   应用范围 返回TOPYHD嘉泰姆

16V to 30V Input High Power DC-DC Regulators YHD嘉泰姆

Low-Voltage Distributed Power SuppliesYHD嘉泰姆

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