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MBRS330T3

National Semiconductor
Part Number MBRS330T3
Manufacturer National Semiconductor
Description N-Channel FET Synchronous Buck Regulator Controller
Published Apr 26, 2005
Detailed Description LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages June 2003 LM2727/LM2737 N-Ch...
Datasheet PDF File MBRS330T3 PDF File

MBRS330T3
MBRS330T3

Overview
LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages June 2003 LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages General Description The LM2727 and LM2737 are high-speed, synchronous, switching regulator controllers.
They are intended to control currents of 0.
7A to 20A with up to 95% conversion efficiencies.
The LM2727 employs output over-voltage and undervoltage latch-off.
For applications where latch-off is not desired, the LM2737 can be used.
Power up and down sequencing is achieved with the power-good flag, adjustable soft-start and output enable features.
The LM2737 and LM2737 operate from a low-current 5V bias and can convert from a 2.
2V to 16V power rail.
Both parts utilize a fixedfrequency, voltage-mode, PWM control architecture and the switching frequency is adjustable from 50kHz to 2MHz by adjusting the value of an external resistor.
Current limit is achieved by monitoring the voltage drop across t...


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