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SI4724CY
N-Channel Synchronous MOSFETs with Break-Before-Make
Si4724CY
Vishay Siliconix
N-Channel Synchronous MOSFETs with Break-Before-MakeFEATURES 0- to 30-V Operation Driver Impedance—3 � Undervoltage Lockout Fast Switching Times 30-V MOSFETs High Side: 0.0375 � @ VDD = 4.5 V Low Side: 0.029 � @ VDD = 4.5 V Switching Frequency: 250 kHz to 1 MHz Integrated Schottky
DESCRIPTION
The Si4724CY n-channel synchronous MOSFET with
break-before-make (BBM) is a high speed driver designed tooperate in high frequency dc-dc switchmode power supplies.
It’s purpose is to simplify the use of n-channel MOSFETs inhigh frequency buck regulators. This device is designed to be
used with any single output PWM IC or ASIC to produce a
highly efficient low cost synchronous rectifier converter. A
synchronous enable pin (disable = low, enable = high)controls the synchronous function for light load conditions.
The Si4724CY is packaged in Vishay Siliconix’s highperformance LITTLE FOOT� SO-16 package.
BOOT
VDD
GND
SYNC EN
