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产品信息
GENERAL DESCRIPTIONThe SGM6232 is a current-mode step-down regulator with an internal power MOSFET. This device achieves 2A continuous output current over a wide input supply range from 4.5V to 38V with excellent load and line regulations. The switching frequency of SGM6232 is 1.4MHz and current mode operation provides fast transient response and eases loop stabilization.
The SGM6232 is highly efficient with peak efficiency at 91% when in operation. In shutdown mode the regulator draws less than 18μA of supply current. Protection features include cycle-by-cycle current limit and thermal shutdown. The device also includes an internal soft-start and an external adjustable soft-start function to limit the inrush current and prevent the overshoot of output voltage.
The SGM6232 is available in Green SOIC-8 (Exposed Pad) package and requires a minimum number of readily available external components to complete a 2A step-down DC/DC converter solution.
PIN CONFIGURATIONS
FEATURES• 2A Output Current
• High Efficiency: Up to 91%
• 4.5V to 38V Input Voltage Range
• < 18μA Shutdown Supply Current
• 100mΩ Internal Power MOSFET Switch
• Fixed 1.4MHz Switching Frequency
• Output Adjustable from 0.8V to 28V
• Cycle-by-Cycle Current Limit Protection
• Thermal Shutdown Protection
• Under-Voltage Lockout
• Stable with Low ESR Ceramic Capacitors
• -40℃ to +85℃ Operating Temperature Range
• Available in Green SOIC-8 (Exposed Pad) Package