| 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