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UCC28528DW-UCC28528DWR-UCC28528DWRG4 Fast Delivery,Good Price
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UCC28528DWTI/BBN/a100avaiADVANCED PFC/PWW COMBINATION CONTROLLER WITH TRAILING-EDGE/TRAILING-EDGE MODULATION
UCC28528DWRTIN/a393avaiADVANCED PFC/PWW COMBINATION CONTROLLER WITH TRAILING-EDGE/TRAILING-EDGE MODULATION
UCC28528DWRG4TIN/a2530avaiAdvanced PWM/PFC Combination Controller with TEM/TEM Modulation 20-SOIC -40 to 105


UCC28528DWRG4 ,Advanced PWM/PFC Combination Controller with TEM/TEM Modulation 20-SOIC -40 to 105ELECTRICAL CHARACTERISTICST = –40°C to 105°C for the UCC2851x, T = T , VCC = 12 V, R = 156 kΩ, R = ..
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UCC28600DR ,8-Pin Quasi Resonant Flyback Green Mode Controller 8-SOIC -40 to 105 SLUS646K–NOVEMBER 2005–REVISED AUGUST 20155 Pin Configuration and FunctionsD Package8-Pin SOICTop ..
UCC28600DRG4 ,8-Pin Quasi Resonant Flyback Green Mode Controller 8-SOIC -40 to 105Block Diagram..... 8Information..... 377.3 Feature Description.... 114 Revision HistoryNOTE: Page n ..
UCC28610 ,12-65W Green-mode Flyback Power Supply ControllerFeatures 3 DescriptionThe UCC28610 brings a new level of performance1• Cascoded Configuration Allow ..
UCC28610D ,12-65W Green-mode Flyback Power Supply Controller 8-SOIC -40 to 125Block Diagram ...... 11• Changed Figure 20...... 16• Changed High Frequency Ringing Solutions, (a) ..
UPA1730 ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEFEATURES• Low on-resistance6.0 ±0.314RDS(on)1 = 9.5 mΩ MAX. (VGS = –10 V, ID = –6.5 A)4.45.37 MAX. ..
UPA1730G ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEELECTRICAL CHARACTERISTICS (TA = 25 °C, All terminals are connected.)CHARACTERISTICS SYMBOL TEST CO ..
UPA1730G-E1 ,Pch enhancement type power MOS FETFEATURES• Low on-resistanceRDS(on)1 = 9.5 mΩ MAX. (VGS = –10 V, ID = –6.5 A)6.0 ±0.314RDS(on)2 = 13 ..
UPA1730G-E-1 ,Pch enhancement type power MOS FETDATA SHEETMOS FIELD EFFECT TRANSISTORµ µ µ µ PA1730SWITCHINGP-CHANNEL POWER MOS FETINDUSTRIAL USEDE ..
UPA1731 ,SWITCHING P-CHANNEL POWER MOS FET INDUSTRIAL USEFEATURES• Low on-resistance6.0 ±0.314RDS(on)1 = 10.3 mΩ TYP. (VGS = –10 V, ID = –5.0 A)4.45.37 MAX. ..
UPA1731G-E1 ,Pch enhancement type power MOS FETFEATURES• Low on-resistance6.0 ±0.314RDS(on)1 = 10.3 mΩ TYP. (VGS = –10 V, ID = –5.0 A)4.45.37 Max. ..


UCC28528DW-UCC28528DWR-UCC28528DWRG4
ADVANCED PFC/PWW COMBINATION CONTROLLER WITH TRAILING-EDGE/TRAILING-EDGE MODULATION
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SLUS608D − JANUARY 2005 REVISED NOVEMBER 2005
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FEATURES
Provides Control of PFC and PWM Power
Stages In One Device
Trailing-Edge PFC, Trailing-Edge PWM
Modulation
Built-In Sequencing of PFC and PWM
Turn-On
2-A Source and 3-A Sink Gate Drive for Both
PFC and PWM Stages
Typical 16-ns Rise Time and 7-ns Fall Time
into 1-nF Loads
PFC Features
− Average-Current-Mode Control for
Continuous Conduction Mode Operation
− Highly-Linear Multiplier for Near-Unity
Power Factor
− Input Voltage Feedforward Implementation
− Improved Load Transient Response
− Accurate Power Limiting
− Zero Power Detect
PWM Features
− Peak-Current-Mode Control Operation
− 1:1 PFC:PWM Frequency Option
− Programmable maximum Duty Cycle Limit
Up to 90%
− Programmable Soft-Start
APPLICATIONS
High-Efficiency Server and DesktopSupplies High-Efficiency Telecom AC-DC Converter

DESCRIPTION

The UCC28521 and UCC28528 combination
PFC/PWM controllers provide complete control
functionality for any off-line power system
requiring compliance with the IEC1000−3−2
harmonic reduction requirements. By combining
the control and drive signals for the PFC and the
PWM stages into a single device, significant
performance and cost benefits are gained.
Based on the UCC28511, the new devices employ
an average current mode control architecture with
input voltage feedforward. The major difference of
the UCC28521/28 is the trailing-edge /
trailing-edge (TEM/TEM) modulation scheme for
the PFC/PWM stages. The UCC28528 differs
from the UCC28521 as its PWM stage does not
turn off with the falling bulk voltage. The
UCC28528 PWM was designed for low power
auxiliary supplies.
These devices offer performance advantages
over earlier generation combination controllers. A
key PWM feature is programmable maximum duty
cycle. For the PFC stage, the devices feature an
improved multiplier and the use of a
transconductance amplifier for enhanced
transient response.
The core of the PFC section is in a three-input
multiplier that generates the reference signal for
the line current. The UCC28521/28 features a
highly linearized multiplier circuit capable of
producing a low distortion reference for the line
current over the full range of line and load
conditions. A low-offset, high-bandwidth current
error amplifier ensures that the actual inductor
current (sensed through a resistor in the return
path) follows the multiplier output command
signal. The output voltage error is processed
through a transconductance voltage amplifier.
AVAILABLE APPLICATION OPTIONS
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