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UCC28063A_15

更新时间： 2024-11-26 01:09:51
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46页 1804K
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Natural Interleaving Transition-Mode PFC Controller With Improved Audible and Input Surge Noise Immunity

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UCC28063A_15 数据手册

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Community  
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UCC28063A  
SNVSA88B –DECEMBER 2014–REVISED MARCH 2015  
UCC28063A Natural Interleaving™ Transition-Mode PFC Controller With Improved Audible  
and Input Surge Noise Immunity  
1
1 Features  
•
Input Filter and Output Capacitor Ripple-Current  
Cancellation  
•
•
•
Expanded System-Level Protections  
1-A Source/1.8-A Sink Gate Drivers  
–
Reduced Current Ripple for Higher System  
Reliability and Smaller Bulk Capacitor  
–40°C to 125°C Operating Temperature Range in  
a 16-Lead SOIC Package  
–
Reduced EMI Filter Size  
2 Applications  
•
•
Phase Management Capability  
•
•
•
•
•
•
100-W to 800-W Power Supplies  
Gaming  
Fail-Safe OVP with Dual Paths Prevents Output  
Overvoltage Conditions by Voltage-Sensing  
Failures  
D-to-A Set-Top Boxes  
Adapters  
•
Sensorless Current-Shaping Simplifies Board  
Layout and Improves Efficiency  
LCD, Plasma and DLP™ TVs  
Home Audio Systems  
•
•
•
•
•
•
Advanced Audible Noise Performance  
Non-linear Error-Amplifier Gain  
Soft Recovery on Overvoltage  
Integrated Brownout and Dropout Handling  
Reduced Bias Currents  
3 Description  
This part is identical to UCC28063 with the exception  
that the TSET pin Open/ Short Fault Detect and the  
CS pin Open Fault Detect features are removed.  
Removal of these Fault Detect features provides a  
higher degree of noise immunity to provide increased  
"ride-through" for applications where significant  
voltage noise could be coupled onto the TSET or CS  
pins during conditions of fast transient, surge or  
impulse noise on the AC Supply.  
Improved Efficiency and Design Flexibility Over  
Traditional Single-Phase Continuous Conduction  
Mode (CCM)  
•
Inrush-Safe Current Limiting:  
–
–
Prevents MOSFET Conduction During Inrush  
Eliminates reverse Recovery Events in Output  
rectifiers  
Device Information(1)  
•
Enables Use of Low-Cost Diodes Without  
Extensive Snubber Circuitry  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
UCC28063A  
SOIC (16)  
9.90 mm × 3.91 mm  
•
•
Improved Light-Load Efficiency  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
Fast, Smooth Transient Response  
Typical Application Diagram  
Input Ripple Current Reduction with Interleaving  
Ripple Current Reduction  
400 VDC  
EMI  
Filter  
–
+
5
UCC28063A  
12 VCC  
10 CS  
ZCDA 16  
GDA 14  
85 VAC to 265 VAC  
POUT = 600W  
VOUT = 400V  
1-phase TM  
7
VINAC  
4
ZCDB  
1
3
TSET  
GDB 11  
Power Good to  
Down Stream  
Converter  
3
PWMCNTL  
9
2
4
5
1-phase CCM  
VSENSE  
PHB  
Phase Management  
2
COMP  
15 VREF  
2-phase TM Interleave  
HVSEN  
PGND  
13  
8
1
AGND  
70  
120  
170  
Input Voltage (V)  
220  
270  
6
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
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