SIC781CD Datasheet, PDF (1/14 Pages) Vishay Siliconix – Delivers up to 50 A continuous current

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SiC781CD
Vishay Siliconix
50 A, VRPower^® Integrated Power Stage
DESCRIPTION
The SiC781 is an integrated power stage solution optimized
for synchronous buck applications to offer high current, high
efficiency and high power density performance. Packaged
in Vishay’s proprietary MLP 6 mm x 6 mm package, SiC781
enables voltage regulator designs to deliver currents up to
50 A per phase.
The internal power MOSFETs utilize Vishay’s
state-of-the-art trench MOSFET technology that delivers
industry benchmark performance to significantly reduce
switching and conduction losses.
The SiC781 incorporates an advanced MOSFET gate driver
IC that features high current driving capability, adaptive
dead-time control, an integrated bootstrap Schottky diode,
and a thermal warning (THWn) that alerts the system of
excessive junction temperature. This driver is compatible
with wide range of PWM controllers and supports tri-state
PWM logic (5 V) as well as zero current detection to improve
light load efficiency.
FEATURES
• Thermally enhanced PowerPAK^® MLP66-40L package
• Industry benchmark MOSFET with integrated Schottky
diode
• Delivers up to 50 A continuous current
• Pin and functionally compatible with NCP5369N
• High frequency operation up to 1 MHz
• Optimized for 12 V input rail applications
• 5 V PWM logic with tri-state threshold
• Zero current detection and low side MOSFET turn off
during discontinuous mode
• Short PWM propagation delay (< 20 ns)
• Supports Intel PS2 requirement with ON Semiconductor’s
NCP5133 and NCP6133 controllers
• Thermal monitor flag
• Faster enable / disable
• V_CIN under voltage lock out (UVLO)
APPLICATIONS
• Synchronous buck converters
• Multi-phase VRDs for CPU, GPU and memory
• DC/DC POL modules
TYPICAL APPLICATION DIAGRAM
5V
INPUT
PWM
controller
V CIN
ZCD_EN
DSBL#
PWM
THWn
Gate
driver
BOOT
PHASE
V SWH
OUTPUT
Fig. 1 - SiC781 Typical Application Diagram
S14-1638. B, 25-Aug-14
1
Document Number: 62950
For technical questions, contact: [e-mail]
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000