UC3851DWTR
| Parameters | |
|---|---|
| Factory Lead Time | 6 Weeks |
| Lifecycle Status | ACTIVE (Last Updated: 3 days 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 | Tape & Reel (TR) |
| 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 |
| Technology | BICMOS |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Frequency | 450kHz |
| Base Part Number | UC3851 |
| 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 | 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 |
UC3851DWTR Overview
This ac to dc converter is included in the package 18-SOIC (0.295, 7.50mm Width) .The AC/DC power converter type is Tape & Reel (TR) .There is a mounting point for this AC/DC converter in the way of Surface Mount .It is recommended that the ac dc converter be operated at a temperature of 0°C~70°C TA in order to ensure its performance.The AC DC converter uses a type SWITCHING CONTROLLER analog integrated circuit.When the switching frequency reaches Up to 500kHz , the circuit is closed.Within the range of 7.8V~32V supply voltage (Vcc/Vdd), it can be used.As a result, it has had 18 terminations.The ac/dc converter has a total of 18 pins.Up to 18 pins are present on the ac-dc converter.Search similar acdc converters based on UC3851 family members.There are 1 outputs to be processed.The ac to dc conversions are contained in Switching Regulator or Controllers .Current output is set to 400mA .This AC/DC converter produces a voltage of 40V as its output.This power AC DC is capable of reaching high efficiency when operating at a frequency of 450kHz .In the AC to DC transformer of a coverter, the output power generated is 1W .It is also possible to determine CURRENT MODE OPERATION IS ALSO POSSIBLE using this ACDC converter.
UC3851DWTR Features
Packaged with 18-SOIC (0.295, 7.50mm Width)
Switching Frequency at Up to 500kHz
With 18 pins
Output Current at 400mA
UC3851DWTR Applications
There are a lot of Texas Instruments UC3851DWTR AC DC Converters applications.
- Linear Adapter Replacements
- AC--DC Adapter
- Appliance Power Supplies
- WiFi Wireless
- MPS parts
- Automotive Clusters
- AC/DC Adaptors/Chargers for PDAs
- Power adapters for network devices
- AC/DC LED Driver applications
- Power adapters for monitors