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RT9624B

Richtek
Part Number RT9624B
Manufacturer Richtek
Description Single Phase Synchronous Rectified Buck MOSFET Driver
Published May 26, 2016
Detailed Description ® RT9624B Single Phase Synchronous Rectified Buck MOSFET Driver General Description The RT9624B is a high frequency, s...
Datasheet PDF File RT9624B PDF File

RT9624B
RT9624B

Overview
® RT9624B Single Phase Synchronous Rectified Buck MOSFET Driver General Description The RT9624B is a high frequency, synchronous rectified, single phase MOSFET driver designed for normal MOSFET driving applications and high performance CPU VR driving capabilities.
The RT9624B can be supplied from 4.
5V to 13.
2V.
The applicable power stage VIN range is from 5V to 24V.
The IC also builds in an internal power switch to replace external bootstrap diode.
The RT9624B can support switching frequency efficiently up to 500kHz.
The IC has both the UGATE and LGATE driving circuits for synchronous rectified DC/DC converter applications.
The shoot through protection mechanism is designed to prevent shoot through between high side and low side power MOSFETs.
The RT9624B has tri-state PWM input with shutdown function, which can force driver to output low UGATE and LGATE signals.
The RT9624B comes in a small footprint with 8-pin packages.
The choice of package types includes SOP-8, SOP-8 (Exposed Pad) and WDFN-8L 3x3.
Features  Drive Two N-MOSFETs  Shoot Through Protection  Embedded Bootstrap Diode  Support High Switching Frequency  Fast Output Rising Time  Tri-State PWM Input for Output Shutdown  Small SOP-8, SOP-8 (Exposed Pad) and 8-Lead WDFN Packages  RoHS Compliant and Halogen Free Applications  Core Voltage Supplies for Desktop, Motherboard CPU  High Frequency Low Profile DC/DC Converters  High Current Low Voltage DC/DC Converters  Core Voltage Supplies for GFX Card Simplified Application Circuit R1 12V C1 PWM Controller RT9624B VCC BOOT R2 PWM GND UGATE PHASE LGATE CBOOT R3 R4 C5 C6 VIN Q1 L1 VOUT + R5 Q2 C2 C3 C4 Copyright ©2013 Richtek Technology Corporation.
All rights reserved.
DS9624B-06 December 2013 is a registered trademark of Richtek Technology Corporation.
www.
richtek.
com 1 RT9624B Ordering Information RT9624B Package Type S : SOP-8 SP : SOP-8 (Exposed Pad-Option1) QW : WDFN-8L 3x3 (W-Type) Lead Plating System Z : ECO (Ecological El...


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