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UCC28600

更新时间： 2024-11-04 00:04:31
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德州仪器 - TI 开关
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25页 458K
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UCC28600 数据手册

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UCC28600  
www.ti.com  
SLUS646A–NOVEMBER 2005–REVISED FEBRUARY 2006  
8-PIN QUASI-RESONANT FLYBACK GREEN MODE CONTROLLER  
FEATURES  
APPLICATIONS  
•
Bias Supplies for LCD-Monitors, LCD-TV,  
PDP-TV, and Set Top Boxes  
•
Green Mode Controller With Advanced Energy  
Saving Features  
•
•
AC/DC Adapters and Offline Battery Chargers  
Energy Efficient Power Supplies up to 200 W  
•
Quasi-Resonant Mode Operation for Reduced  
EMI and Low Switching Losses (Low Voltage  
Switching)  
DESCRIPTION  
•
Low Standby Current for System No-Load  
Power Consumption to 150 mW  
The UCC28600 is a PWM controller with advanced  
energy features to meet stringent world-wide energy  
efficiency requirements.  
•
•
Low Startup Current: 25 µA Maximum  
Programmable Overvoltage Protection, Line  
and Load  
UCC28600 integrates built-in advanced energy  
saving features with high level protection features to  
provide cost effective solutions for energy efficient  
power supplies. UCC28600 incorporates frequency  
fold back and burst mode operation to reduce the  
operation frequency at light load and no load  
operations.  
•
•
Internal Overtemperature Protection: Prevents  
Restart Until Temperature Fault Cleared  
Current Limit Protection  
– Cycle-by-Cycle Power Limit  
– Overcurrent Hiccup Restart Mode  
UCC28600 is offered in the 8-pin SOIC (D) and PDIP  
(P) packages. Operating temperature range is -40°C  
to 105°C.  
•
1-A Sink TrueDrive™, -0.75-A Source Gate  
Drive Output  
•
•
Programmable Soft-Start  
Greenmode STATUS pin (PFC Disable  
Function)  
TYPICAL APPLICATION  
Primary  
Secondary  
C
BULK  
R
SU  
R
DD  
Q
1
R
ST2  
C
DD  
R
ST1  
R
OVP1  
18 V  
UCC28600  
SS STATUS  
C
SS  
1
8
7
6
5
UCC28051  
1
2
3
VO_SNS VCC  
8
7
6
5
2
3
4
FB  
CS  
OVP  
VDD  
R
OVP2  
M
1
COMP DRV  
MULTIN GND  
GND OUT  
Feedback  
4
CS  
ZCD  
C
BP  
R
PL  
TL431  
R
CS  
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.  
TrueDrive is a trademark of Texas Instruments.  
PRODUCT PREVIEW information concerns products in the  
Copyright © 2005–2006, Texas Instruments Incorporated  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
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UCC28600 替代型号

型号 品牌 替代类型 描述 数据表
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