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器件3D模型￥ 7.777
UCC28061DR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电源管理
封装:
SOIC-16
描述:
自然交错转换模式PFC控制器，改善听觉噪音 Natural Interleaving Transition-Mode PFC Controller With Improved Audible Noise
Pictures:
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页面导航:
封装尺寸在P30P32P33
标记信息在P30
封装信息在P30P31P32P33
应用领域在P36
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UCC28061DR数据手册
Page:
of 36 Go
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UCC28060
1
NATURAL INTERLEAVING FEATURES SYSTEM FEATURES
APPLICATIONS
+–
COMP
VREF
PGND
AGND
VCC
ZCDA
ZCDB
GDA
CS
GDB
VINAC
VSENSE
PWMCNTL
UCC28061
TSET
PHB
HVSEN
EMI
Filter
400VDC
PowerGoodto
downstreamconverter
85-265VAC
InputVoltage(V)
5
4
3
2
1
70 120 170 220 270
CapacitorRippleCurrent(A)
P =600W
V =400V
OUT
OUT
1-PhaseTM
2-PhaseTMInterleave
1-PhaseCCM
UCC28061
www.ti.com
.............................................................................................................................................................. SLUS837A – JUNE 2008 – REVISED JULY 2009
Natural Interleaving™ Transition-Mode PFC Controller With Improved Audible Noise
Immunity
• Improved Audible Noise Performance
23
• Phase Management Capability
• Soft Start on Overvoltage
• FailSafe OVP with Dual Paths Prevents Output
• Integrated Brownout
Over-Voltage Conditions Caused by
Voltage-Sensing Failures
• Improved Efficiency and Design Flexibility
over Traditional, Single-Phase Continuous
• Sensorless Current Shaping Simplifies Board
Conduction Mode (CCM)
Layout and Improves Efficiency
• Input Filter and Output Capacitor Current
• Inrush Safe Current Limiting:
Cancellation:
– Prevents MOSFET conduction during
– Reduced current ripple for higher system
inrush
reliability and smaller bulk capacitor
– Eliminates reverse recovery events in
– Reduced EMI filter size
output rectifiers
• Enables Use of Low-Cost Diodes without
Extensive Snubber Circuitry
• Improved Light-Load Efficiency
• Improved Transient Response
• Complete System-Level Protection
• 1-A Source/1.8-A Sink Gate Drivers
• 100-W to 800-W Power Supplies
• Gaming
• D to A Set Top Boxes
• Adapters
• LCD, Plasma and DLP™ TVs
• Home Audio Systems
Typical Application Circuit
Ripple Current Reduction
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2 DLP is a trademark of Texas Instruments.
3 Natural Interleaving is a trademark of Texas Instuments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008 – 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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