Parameters |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Frequency |
450kHz |
Base Part Number |
UC2851 |
Pin Count |
18 |
Number of Outputs |
1 |
Output Voltage |
40V |
Input Voltage-Nom |
20V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Nominal Supply Current |
15mA |
Output Current |
400mA |
Voltage - Supply (Vcc/Vdd) |
7.8V~32V |
Output Power |
1W |
Control Features |
Frequency Control, Soft Start |
Topology |
Boost, Buck, Flyback, Forward |
Control Mode |
CURRENT/VOLTAGE-MODE |
Frequency - Switching |
Up to 500kHz |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
50ns |
Fall Time (Typ) |
50 ns |
Nominal Input Voltage |
30V |
Switcher Configuration |
BUCK-BOOST |
Internal Switch(s) |
No |
Fault Protection |
Current Limiting, Over Voltage |
Max Duty Cycle |
46 % |
Isolation |
Non-Isolated |
Duty Cycle |
50% |
Voltage - Start Up |
8V |
Height |
2.65mm |
Length |
11.5mm |
Width |
7.5mm |
Thickness |
2.35mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 4 days ago) |
Mounting Type |
Surface Mount |
Package / Case |
18-SOIC (0.295, 7.50mm Width) |
Surface Mount |
YES |
Number of Pins |
18 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tube |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
18 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Additional Feature |
CURRENT MODE OPERATION IS ALSO POSSIBLE |
Subcategory |
Switching Regulator or Controllers |
Max Power Dissipation |
1W |
Technology |
BICMOS |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
UC2851DW Overview
There is a ac to dc converter embedded in package 18-SOIC (0.295, 7.50mm Width) .In Tube AC/DC power converter, it is available.Surface Mount is mounted in the way of this AC/DC converter.Ideally, the ac dc converter should be operated at a temperature of -40°C~85°C TA degrees Celsius.Analog ICs of type SWITCHING CONTROLLER are used in this AC DC converter.In this AC to DC transformer, the switching frequency is Up to 500kHz .This AC/DC converter is designed for use within the range of 7.8V~32V supply voltage (Vcc/Vdd).There have been 18 terminations of this program.There are 18 pins on the ac/dc converter.A total of 18 pins are present on the ac-dc converter.A similar acdc converter can be searched by using the UC2851 family.A total of 1 outputs are available for processing.The ac to dc conversions are contained in Switching Regulator or Controllers .In this AC to DC transformer, the output current is set to 400mA .The output voltage of the AC/DC converter is 40V .A high efficiency can be achieved by operating at a frequency of 450kHz .Coverters generate 1W in terms of output power.It is also possible to discover CURRENT MODE OPERATION IS ALSO POSSIBLE when using this ACDC converter.
UC2851DW Features
Packaged with 18-SOIC (0.295, 7.50mm Width)
Switching Frequency at Up to 500kHz
With 18 pins
Output Current at 400mA
UC2851DW Applications
There are a lot of Texas Instruments UC2851DW AC DC Converters applications.
- AC--DC Adapter
- Tablets
- Dimmers
- Linear Adapter Replacements
- USB type-c v1.2 chargers with optional VDM
- AC?DC USB chargers for Tablets
- LED Driver
- AC?DC USB chargers for Cameras
- Adaptors for DSCs
- AC/DC Adaptors/Chargers for Cordless Phone