UC2851NG4
| Parameters | |
|---|---|
| Package / Case | PDIP |
| Surface Mount | NO |
| Number of Pins | 18 |
| Weight | 1.206102g |
| Packaging | Rail/Tube |
| JESD-609 Code | e4 |
| 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 | BIPOLAR |
| Terminal Position | DUAL |
| Terminal Form | THROUGH-HOLE |
| Number of Functions | 1 |
| Terminal Pitch | 2.54mm |
| 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 | VOLTAGE-MODE |
| Frequency - Switching | 500kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Rise Time | 50ns |
| Fall Time (Typ) | 50 ns |
| Nominal Input Voltage | 30V |
| Switcher Configuration | SINGLE |
| Power - Output | 1W |
| Max Duty Cycle | 46 % |
| Isolation | Non-Isolated |
| Duty Cycle (Max) | 46 % |
| Height Seated (Max) | 5.08mm |
| Length | 22.48mm |
| Width | 7.62mm |
| Radiation Hardening | No |
| RoHS Status | RoHS Compliant |
| Lead Free | Lead Free |
UC2851NG4 Overview
There is a ac to dc converter embedded in package PDIP .It is available in Rail/Tube AC/DC power converter.Analog ICs of type SWITCHING CONTROLLER are used in this AC DC converter.At this point, the switching frequency reaches 500kHz .It has a total of 18 terminations.There are 18 pins on this ac/dc converter.The pins of the ac-dc converter total to 18 .There are 1 outputs to be run.AC to DC converter is contained in Switching Regulator or Controllers .AC to DC converter is able to reach high efficiency when its frequency is 450kHz .Using this ACDC converter, it is also possible to identify CURRENT MODE OPERATION IS ALSO POSSIBLE .By setting the maximum value to 85°C , stability is ensured.It is necessary that the minimum working temperature of this isolated switch not fall below -40°C .With a 400mA output current, it allows for maximum design flexibility.The AC to DC power supply can function with a supply voltage as low as 8V .This AC to DC power converter has a voltage output of 40V .
UC2851NG4 Features
Packaged with PDIP
Switching Frequency at 500kHz
With 18 pins
UC2851NG4 Applications
There are a lot of Texas Instruments UC2851NG4 AC DC Converters applications.
- 3.3V power supplies
- Adapter/Charger for Cordless Phones
- Standby Power Supplies
- Air Conditioning
- AC/DC LED Driver applications
- Battery chargers for smart phones
- Set-top boxes
- Battery chargers for media tablets
- Standby Power for General Off-Line Applications
- Replaces linear transformers
