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Vishay Intertechnology Electronic Components Datasheet

SIC780 Datasheet

Integrated DrMOS Power Stage

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SiC780, SiC780A
Vishay Siliconix
Integrated DrMOS Power Stage
DESCRIPTION
The SiC780 is an integrated power stage solution optimized
for synchronous buck applications offering high current, high
efficiency and high power density. Packaged in Vishay's
proprietary 6 mm x 6 mm MLP package, SiC780 enables
voltage regulator designs to deliver in excess of 50 A per
phase current with 93 % peak efficiency.
The internal Power MOSFETs utilize Vishay’s state-of-the-art
TrenchFET Gen III Technology that delivers industry bench-
mark performance by significantly reducing switching and
conduction losses.
The SiC780 incorporates an advanced MOSFET gate driver
IC that features high current driving capability, adaptive
dead-time control, and integrated bootstrap Schottky diode,
and a thermal warning (THDN) that alerts the system of
excessive junction temperature. The driver is also compatible
with a wide range of PWM controllers and supports Tri-state
PWM, 3.3 V(SiC780ACD)/5 V (SiC780CD) PWM Logic, and
skip mode (SMOD) to improve light load efficiency.
TYPICAL APPLICATION DIAGRAMM
FEATURES
• Thermally enhanced PowerPAK MLP6x6-40L
package
• Industry benchmark MOSFET with integrated
schottky diode
• Delivers in excess of 50 A continuous current
• 93 % peak efficiency
• High frequency operation up to 1 MHz
• Power MOSFETs optimized for 12 V input stage
• 3.3 V (SiC780ACD)/5 V (SiC780CD) PWM logic with
Tri-state and hold-off
• SMOD logic for light load efficiency boost
• Low PWM propagation delay (< 20 ns)
• Thermal monitor flag
• Enable feature
• VCIN UVLO
• Compliant with Intel DrMOS 4.0 specification
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Synchronous buck converters
• Multi-phase VRDs for CPU, GPU and memory
• DC/DC POL moduleswww.DataSheet.net/
Figure 1: SiC780 Typical Application Diagram
Document Number: 63788
For technical questions, contact: powerictechsupport@vishay.com
www.vishay.com
S12-1132-Rev. B, 21-May-12
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
Datasheet pdf - http://www.DataSheet4U.co.kr/


Vishay Intertechnology Electronic Components Datasheet

SIC780 Datasheet

Integrated DrMOS Power Stage

No Preview Available !

SiC780, SiC780A
Vishay Siliconix
PIN CONFIGURATION - Bottom View
PIN DESCRIPTION
Pin Number
Symbol
1 SMOD#
2 VCIN
3 VDRV
4 BOOT
5, 37, P1
6
CGND
GH
7 PHASE
8 to 14, P2
15, 29 to 35, P3
16 to 28
36
VIN
VSWH
PGND
GL
38 THDN
39 DSBL#
40 PWM
Figure 2 - SiC780 Pin Configuration
Description
LS FET turn-off logic. Active low
www.DataSheet.net/
Supply voltage for internal logic circuitry
Supply voltage for internal gate driver
High side driver bootstrap voltage
Analog ground for the driver IC
High side gate signal
Return path of HS Gate driver
Power stage input voltage. Drain of high side MOSFET
Phase node of the power stage
Power ground
Low side gate signal
Thermal shutdown open drain output
Disable pin. Active low
PWM input logic
www.vishay.com
For technical questions, contact: powerictechsupport@vishay.com
Document Number: 63788
2 S12-1132-Rev. B, 21-May-12
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
Datasheet pdf - http://www.DataSheet4U.co.kr/


Part Number SIC780
Description Integrated DrMOS Power Stage
Maker Vishay Siliconix
PDF Download

SIC780 Datasheet PDF





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