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SIC413 Datasheet

26-V Integrated Synchronous Buck Regulator

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SiC413
Vishay Siliconix
microBUCKTM SiC413
4-A, 26-V Integrated Synchronous Buck Regulator
DESCRIPTION
The SiC413 is an integrated, dc-to-dc power conversion
solution with built-in PWM-optimized high- and low-side
N-channel MOSFETs and advanced PWM controller. The
SiC413 provides a quick and easy to use POL voltage
regulation solution for a wide range of applications. Vishay
Siliconix’s Proprietary packaging technology is used to
optimize the power stage and minimize power losses
associated with parasitic impedances and switching delays.
The co-packaged Gen III TrenchFET power MOSFET
devices deliver higher efficiency than lateral DMOS
monolithic solutions.
PRODUCT SUMMARY
Input Voltage Range
Output Voltage Range
Operating Frequency
Continuous Output Current
Peak Efficiency
Highside/Lowside RDS_ON
Package
4.75 V to 26 V
0.6 V to 13.2 V
500 kHz
4A
93 %
35 mΩ/19 mΩ
SO-8
FEATURES
• Integrated PWM controller and Gen III
trench MOSFETs
• Quick and easy single chip converter
• Integrated current sense
• Cycle by cycle over-current protection
• Built-In bootstrap diode
• Output over-voltage protection
• Under voltage lockout
• Thermal shutdown
• Soft start
• Break-before-make operation
• Halogen-free according to IEC 61249-2-21 definition
Compliant to RoHS directive 2002/95/EC
APPLICATIONS
• LCD TV, set top box and DVD player
• Desktop PC and server
• Add-in graphics board
• Memory, FPGA or µP device power supplies
• Point of load dc-to-dc conversion
• Telecom and networking equipment
www.DataSheet.net/
TYPICAL APPLICATION
VIN
Enable
EN 2
COMP 1
FB 8
7
Controller
SiC413
6
3 BOOT
4 VSW
5
VO
Document Number: 69057
S09-2250-Rev. D, 26-Oct-09
Figure 1 - Typical Application Circuit
www.vishay.com
1
Datasheet pdf - http://www.DataSheet4U.co.kr/


Vishay Intertechnology Electronic Components Datasheet

SIC413 Datasheet

26-V Integrated Synchronous Buck Regulator

No Preview Available !

SiC413
Vishay Siliconix
PIN CONFIGURATION
COMP
EN
BOOT
VSW
1
2
3
4
8 FB
7 VREG
6 VIN
5 GND
Figure 2. SO-8 Pin Out - Top View
PIN DESCRIPTION
Pin Number
Symbol
1 COMP
2 EN
3 BOOT
4 VSW
5 GND
6 VIN
7 VREG
8 FB
Description
Error amplifier output. Connects to the compensation network.
Chip enable pin. Active HIGH. Connects to a power source through a 10K to100K resistor to enable.
Connect to 0.1 µF capacitor from VSW to BOOT to power the high side gate driver.
Inductor Connection. Connect an output filter inductor to this pin. VSW is high impedance when the IC is
in shutdown mode.
GROUND pin.
Supply voltage.
Internal regulator output. An external 4.7 µF decoupling capacitor is required at this pin.
Output voltage feedback input.
ORDERING INFORMATION
Part Number
SiC413CB-T1-E3
SiC413DB
Package
SO-8 (6.2 x 5 x 1.75 mm)
www.DataSheet.net/
Reference board
FUNCTIONAL BLOCK DIAGRAM
VREG
VIN
UVLO
EN
Shutdown
control
OTP
OVP
5.5 VREG
PWM
Control logic
and active
dead time
VREG
GM
FOSC
FB COMP
Over
current
Figure 3. Functional Block Diagram
BOOT
VSW
GND
www.vishay.com
2
Document Number: 69057
S09-2250-Rev. D, 26-Oct-09
Datasheet pdf - http://www.DataSheet4U.co.kr/


Part Number SIC413
Description 26-V Integrated Synchronous Buck Regulator
Maker Vishay Siliconix
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SIC413 Datasheet PDF






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