Texas Instruments UC2855ADWTRG4
- Part Number:
- UC2855ADWTRG4
- Manufacturer:
- Texas Instruments
- Ventron No:
- 3262829-UC2855ADWTRG4
- Description:
- IC PFC CTRLR AVERAGE CURR 20SOIC
- Datasheet:
- UC2855, 3855A,B
Texas Instruments UC2855ADWTRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2855ADWTRG4.
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case20-SOIC (0.295, 7.50mm Width)
- Number of Pins20
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Pbfree Codeyes
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)2 (1 Year)
- Number of Terminations20
- ECCN CodeEAR99
- HTS Code8542.39.00.01
- SubcategorySwitching Regulator or Controllers
- TechnologyBIPOLAR
- Voltage - Supply15.5V~20V
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)NOT SPECIFIED
- Number of Functions1
- Terminal Pitch1.27mm
- Frequency500kHz
- Reflow Temperature-Max (s)NOT SPECIFIED
- Base Part NumberUC2855
- Pin Count20
- Qualification StatusNot Qualified
- Input Voltage-Nom18V
- Analog IC - Other TypePOWER FACTOR CONTROLLER
- Input Voltage (Min)15V
- Output Current-Max1.5A
- Input Voltage (Max)35V
- Control TechniquePULSE WIDTH MODULATION
- Switcher ConfigurationBOOST
- ModeAverage Current
- Current - Startup150μA
- Height Seated (Max)2.65mm
- Length12.8mm
- Width7.5mm
- RoHS StatusROHS3 Compliant
UC2855ADWTRG4 Overview
This product is a surface mount device with a HTS Code of 8542.39.00.01. It utilizes bipolar technology and does not specify a peak reflow temperature. The device has one function and operates with a nominal input voltage of 18V, with a minimum input voltage of 15V. It operates in average current mode and has a startup current of 150μA. The width of the device is 7.5mm.
UC2855ADWTRG4 Features
UC2855ADWTRG4 Applications
There are a lot of Texas Instruments UC2855ADWTRG4 PFC PMICs applications.
Sense & Conrol
HVAC (Heating, Ventilation, and Air Conditioning)
Battery-powered device
Motorcycle
Alternators
Solar inverters
Engine management
Car sunroof
High Speed/High Precision Data Converters
Car window lift
This product is a surface mount device with a HTS Code of 8542.39.00.01. It utilizes bipolar technology and does not specify a peak reflow temperature. The device has one function and operates with a nominal input voltage of 18V, with a minimum input voltage of 15V. It operates in average current mode and has a startup current of 150μA. The width of the device is 7.5mm.
UC2855ADWTRG4 Features
UC2855ADWTRG4 Applications
There are a lot of Texas Instruments UC2855ADWTRG4 PFC PMICs applications.
Sense & Conrol
HVAC (Heating, Ventilation, and Air Conditioning)
Battery-powered device
Motorcycle
Alternators
Solar inverters
Engine management
Car sunroof
High Speed/High Precision Data Converters
Car window lift
UC2855ADWTRG4 More Descriptions
ALTERA EPM7192SQI160-10NCPLD. MAX 7000, 192 MACROCELLS, PQFP160
Power Factor Controller IC; Frequency:0.5MHz; Supply Voltage Max:20V; Package/Case:20-SOIC; No. of Pins:20; Operating Temperature Range:-40°C to 85°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes ;RoHS Compliant: Yes
The UC3855A/B provides all the control features necessary for high power, high frequency PFC boost converters. The average current mode control method allows for stable, low distortion AC line current programming without the need for slope compensation. In addition, the UC3855 utilizes an active snubbing or ZVT (Zero Voltage Transition technique) to dramatically reduce diode recovery and MOSFET turn-on losses, resulting in lower EMI emissions and higher efficiency. Boost converter switching frequencies up to 500kHz are now realizable, requiring only an additional small MOSFET, diode, and inductor to resonantly soft switch the boost diode and switch. Average current sensing can be employed using a simple resistive shunt or a current sense transformer. Using the current sense transformer method, the internal current synthesizer circuit buffers the inductor current during the switch on-time, and reconstructs the inductor current during the switch off-time. Improved signal to noise ratio and negligible current sensing losses make this an attractive solution for higher power applications. The UC3855A/B also features a single quadrant multiplier, squarer, and divider circuit which provides the programming signal for the current loop. The internal multiplier current limit reduces output power during low line conditions. An overvoltage protection circuit disables both controller outputs in the event of a boost output OV condition. Low startup supply current, UVLO with hysteresis, a 1% 7.5V reference, voltage amplifier with softstart, input supply voltage clamp, enable comparator, and overcurrent comparator complete the list of features. Available packages include: 20 pin N, DW, Q, J, and L.
Power Factor Controller IC; Frequency:0.5MHz; Supply Voltage Max:20V; Package/Case:20-SOIC; No. of Pins:20; Operating Temperature Range:-40°C to 85°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes ;RoHS Compliant: Yes
The UC3855A/B provides all the control features necessary for high power, high frequency PFC boost converters. The average current mode control method allows for stable, low distortion AC line current programming without the need for slope compensation. In addition, the UC3855 utilizes an active snubbing or ZVT (Zero Voltage Transition technique) to dramatically reduce diode recovery and MOSFET turn-on losses, resulting in lower EMI emissions and higher efficiency. Boost converter switching frequencies up to 500kHz are now realizable, requiring only an additional small MOSFET, diode, and inductor to resonantly soft switch the boost diode and switch. Average current sensing can be employed using a simple resistive shunt or a current sense transformer. Using the current sense transformer method, the internal current synthesizer circuit buffers the inductor current during the switch on-time, and reconstructs the inductor current during the switch off-time. Improved signal to noise ratio and negligible current sensing losses make this an attractive solution for higher power applications. The UC3855A/B also features a single quadrant multiplier, squarer, and divider circuit which provides the programming signal for the current loop. The internal multiplier current limit reduces output power during low line conditions. An overvoltage protection circuit disables both controller outputs in the event of a boost output OV condition. Low startup supply current, UVLO with hysteresis, a 1% 7.5V reference, voltage amplifier with softstart, input supply voltage clamp, enable comparator, and overcurrent comparator complete the list of features. Available packages include: 20 pin N, DW, Q, J, and L.
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