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SI4724 数据表(PDF) 1 Page - Vishay Siliconix |
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SI4724 数据表(HTML) 1 Page - Vishay Siliconix |
1 / 11 page Vishay Siliconix Si4724 Document Number: 71863 S11-1185-Rev. F, 13-Jun-11 www.vishay.com 1 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 N-Channel Synchronous MOSFETs With Break-Before-Make FEATURES • 0 V to 30 V operation • Driver impedance-3 • Undervoltage lockout • Fast switching times • 30 V MOSFETs • High side: 0.0375 at VDD = 4.5 V • Low side: 0.029 at 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 to operate in high frequency DC/DC switchmode power supplies. It’s purpose is to simplify the use of N-Channel MOSFETs in high 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 high performance LITTLE FOOT® SO-16 package. FUNCTIONAL BLOCK DIAGRAM BOOT D1 S1 D2 VDD IN Undervoltage Lockout GND Q2 Q1 - + VDD SYNC EN VREF Level Shift S2 |
类似零件编号 - SI4724 |
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类似说明 - SI4724 |
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