UC3851DW
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 week ago) |
| Mounting Type | Surface Mount |
| Package / Case | 18-SOIC (0.295, 7.50mm Width) |
| Surface Mount | YES |
| Number of Pins | 18 |
| Operating Temperature | 0°C~70°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 |
| HTS Code | 8542.39.00.01 |
| Subcategory | Switching Regulator or Controllers |
| Max Power Dissipation | 1W |
| Technology | BICMOS |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Terminal Pitch | 1.27mm |
| Frequency | 450kHz |
| Base Part Number | UC3851 |
| Pin Count | 18 |
| 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 |
| Supply Current-Max (Isup) | 21mA |
| 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 |
UC3851DW Overview
This ac to dc converter is included in the package 18-SOIC (0.295, 7.50mm Width) .In Tube AC/DC power converter, it is available.There is a AC/DC converter mounted in the way of Surface Mount .This ac dc converter should be operated at a temperature of 0°C~70°C TA °C so that it can deliver its performance.Analog IC type SWITCHING CONTROLLER is utilized in this AC DC converter.As a result, the switching frequency reaches Up to 500kHz .This AC/DC converter is suitable for operation in the range of 7.8V~32V supply voltage (Vcc/Vdd).In total, there are 18 terminations.There are 18 pins on the ac/dc converter.Up to 18 pins are present on the ac-dc converter.If you select the UC3851 family, you will be able to search similar acdc converters.Switching Regulator or Controllers includes the ac to dc conversions.We have set the output current to 400mA .There is 40V voltage output from it.AC to DC converter is able to reach high efficiency when its frequency is 450kHz .Coverters generate 1W in terms of output power.As a result of using this ACDC converter, CURRENT MODE OPERATION IS ALSO POSSIBLE can also be detected.
UC3851DW Features
Packaged with 18-SOIC (0.295, 7.50mm Width)
Switching Frequency at Up to 500kHz
With 18 pins
Output Current at 400mA
UC3851DW Applications
There are a lot of Texas Instruments UC3851DW AC DC Converters applications.
- Records
- Portable audio
- Z-Wave
- Auxiliary Power Supplies
- Home appliances
- Replaces linear transformers
- Humidifier
- Adaptors for Portable Media Player
- Replacements for bulky plug-in transformers
- ZigBee
