Parameters |
Package / Case |
SOIC |
Surface Mount |
YES |
Number of Pins |
18 |
JESD-609 Code |
e4 |
Moisture Sensitivity Level (MSL) |
2 |
Number of Terminations |
18 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Max Operating Temperature |
85°C |
Min Operating Temperature |
-40°C |
Additional Feature |
CURRENT MODE OPERATION IS ALSO POSSIBLE |
Subcategory |
Switching Regulator or Controllers |
Technology |
BICMOS |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Frequency |
450kHz |
Pin Count |
18 |
Number of Outputs |
1 |
Input Voltage-Nom |
20V |
Temperature Grade |
INDUSTRIAL |
Max Supply Voltage |
30V |
Min Supply Voltage |
8V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Power Dissipation-Max |
1W |
Nominal Supply Current |
15mA |
Current - Output |
400mA |
Voltage - Output |
40V |
Topology |
Flyback, Boost |
Control Mode |
CURRENT/VOLTAGE-MODE |
Frequency - Switching |
500kHz |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
50ns |
Fall Time (Typ) |
50 ns |
Nominal Input Voltage |
30V |
Switcher Configuration |
PUSH-PULL |
Power - Output |
1W |
Max Duty Cycle |
46 % |
Isolation |
Non-Isolated |
Duty Cycle (Max) |
46 % |
Height Seated (Max) |
2.64mm |
Width |
7.5mm |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
UC2851DWG4 Overview
This ac to dc converter is embedded in package SOIC .The AC DC converter uses a type SWITCHING CONTROLLER analog integrated circuit.As soon as the switching frequency reaches 500kHz , the circuit is closed.It has a total of 18 terminations.A ac/dc converter with 18 pins is available.The pins of the ac-dc converter total to 18 .There are 1 outputs to run.The ac to dc conversions can be found in Switching Regulator or Controllers .This power AC DC is capable of reaching high efficiency when operating at a frequency of 450kHz .When utilizing this ACDC converter, CURRENT MODE OPERATION IS ALSO POSSIBLE can also be discovered.The maximum 85°C ensures that the AC to DC power converter is stable.Temperatures below -40°C degrees Celsius are not permitted for this isolated switch.Due to the fact that it has a 400mA output current, it offers maximum design flexibility.It is capable of working with a minimum supply voltage of 8V volts.Its output voltage is 40V .
UC2851DWG4 Features
Packaged with SOIC
Switching Frequency at 500kHz
With 18 pins
UC2851DWG4 Applications
There are a lot of Texas Instruments UC2851DWG4 AC DC Converters applications.
- Handheld/Battery-Powered Systems
- AC?DC USB chargers for Cell Phones
- Smartphones
- Off--line Battery Charger
- Tablets
- Home appliances
- Power Adaptors
- Z-Wave
- Replacements for bulky plug-in transformers
- Standby Power for General Off-Line Applications