Texas Instruments UCC28600, Manual

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VCC
DRV
GND
ZCD
VO_SNS
COMP
MULTIN
CS
UCC28051
C
BULK
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STATUS
OVP
VDD
OUT
SS
FB
CS
GND
UCC28600
C
SS
C
BP
R
PL
R
SU
R
CS
C
VDD
Primary Secondary
TL431
Feedback
R
OVP2
R
OVP1
18 V
C
B
N
P
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S
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B
M
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UCC28600
www.ti.com SLUS646J – NOVEMBER 2005 – REVISED JULY 2011
8-Pin Quasi-Resonant Flyback Green-Mode Controller
Check for Samples: UCC28600
1
FEATURES APPLICATIONS
2
• Green-Mode Controller With Advanced Energy • Bias Supplies for LCD-Monitors, LCD-TV,
Saving Features PDP-TV, and Set Top Boxes
• Quasi-Resonant Mode Operation for Reduced • AC/DC Adapters and Offline Battery Chargers
EMI and Low Switching Losses (Low Voltage
• Energy Efficient Power Supplies up to 200 W
Switching)
• Low Standby Current for System No-Load
DESCRIPTION
Power Consumption
The UCC28600 is a PWM controller with advanced
• Low Startup Current: 25 μ A Maximum
energy features to meet stringent world-wide energy
efficiency requirements.
• Programmable Overvoltage Protection, Line
and Load
UCC28600 integrates built-in advanced energy
• Internal Overtemperature Protection
saving features with high level protection features to
•
Current Limit Protection
provide cost effective solutions for energy efficient
power supplies. UCC28600 incorporates frequency
–
Cycle-by-Cycle Power Limit
fold back and green mode operation to reduce the
– Primary-Side Overcurrent Hiccup Restart
operation frequency at light load and no load
Mode
operations.
• 1-A Sink TrueDrive ™ , -0.75-A Source Gate
UCC28600 is offered in the 8-pin SOIC (D) package.
Drive Output
Operating junction temperature range is -40 ° C to
• Programmable Soft-Start
105 ° C.
• Green-Mode Status Pin (PFC Disable Function)
.
.
TYPICAL APPLICATION
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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
TrueDrive is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005 – 2011, 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.