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LM2696 - Constant On Time Buck Regulator

Datasheet Summary

Description

The LM2696 is a pulse width modulation (PWM) buck regulator capable of delivering up to 3A into a load.

The control loop utilizes a constant on-time control scheme with input voltage feed forward.

This provides a topology that has excellent transient response without the need for compensation.

Features

  • n n n n n n n n n Input voltage range of 4.5V.
  • 24V Constant On-Time No compensation needed Maximum Load Current of 3A Switching frequency of 100 kHz.
  • 500 kHz Constant frequency across input range TTL compatible shutdown thresholds Low standby current of 12 µA 130 mΩ internal MOSFET switch.

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Datasheet preview – LM2696

Datasheet Details

Part number LM2696
Manufacturer National Semiconductor
File Size 863.69 KB
Description Constant On Time Buck Regulator
Datasheet download datasheet LM2696 Datasheet
Additional preview pages of the LM2696 datasheet.

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LM2696 3A, Constant On Time Buck Regulator October 2005 LM2696 3A, Constant On Time Buck Regulator General Description The LM2696 is a pulse width modulation (PWM) buck regulator capable of delivering up to 3A into a load. The control loop utilizes a constant on-time control scheme with input voltage feed forward. This provides a topology that has excellent transient response without the need for compensation. The input voltage feed forward ensures that a constant switching frequency is maintained across the entire VIN range. The LM2696 is capable of switching frequencies in the range www.DataSheet4U.com of 100 kHz to 500 kHz. Combined with an integrated 130 mΩ high side NMOS switch the LM2696 can utilize small sized external components and provide high efficiency.
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