Parameters |
Mounting Type |
Surface Mount |
Package / Case |
28-SOIC (0.295, 7.50mm Width) |
Surface Mount |
YES |
Number of Pins |
28 |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tape & Reel (TR) |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
28 |
ECCN Code |
EAR99 |
Additional Feature |
CAN ALSO BE CONFIGURED IN CURRENT MODE |
Subcategory |
Switching Regulator or Controllers |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
NOT SPECIFIED |
Number of Functions |
1 |
Terminal Pitch |
1.27mm |
Reach Compliance Code |
unknown |
Frequency |
1MHz |
Time@Peak Reflow Temperature-Max (s) |
NOT SPECIFIED |
Base Part Number |
UC3877 |
Pin Count |
28 |
Number of Outputs |
4 |
Qualification Status |
Not Qualified |
Output Voltage |
1.7V |
Input Voltage-Nom |
12V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Current |
500mA |
Voltage - Supply (Vcc/Vdd) |
9.5V~20V |
Control Features |
Frequency Control, Soft Start, Sync |
Topology |
Full-Bridge |
Control Mode |
VOLTAGE-MODE |
Control Technique |
RESONANT CONTROL |
Nominal Input Voltage |
20V |
Switcher Configuration |
PHASE-SHIFT |
Fault Protection |
Current Limiting |
Duty Cycle |
100% |
Output Isolation |
Non-Isolated |
Voltage - Start Up |
10.75V |
Height Seated (Max) |
2.65mm |
Length |
17.9mm |
Width |
7.5mm |
RoHS Status |
ROHS3 Compliant |
UC3877DWPTR Overview
An embedded ac to dc converter is included in 28-SOIC (0.295, 7.50mm Width) package.In Tape & Reel (TR) AC/DC power converter, it is available.The AC/DC converter is 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.The AC DC converter uses a type SWITCHING CONTROLLER analog integrated circuit.Within the range of 9.5V~20V supply voltage (Vcc/Vdd), it can be used.Total terminations are 28 .In this ac/dc converter, there are 28 pins.There are 28 pins in the ac-dc converter.Search similar acdc converters based on UC3877 family members.Running 4 outputs is available.AC to DC converter is included in Switching Regulator or Controllers .We are setting the output current to 500mA .It produces a voltage of 1.7V .AC to DC converter reaches high efficiency when operated at a frequency of 1MHz .It is also possible to discover CAN ALSO BE CONFIGURED IN CURRENT MODE when using this ACDC converter.
UC3877DWPTR Features
Packaged with 28-SOIC (0.295, 7.50mm Width)
With 28 pins
Output Current at 500mA
UC3877DWPTR Applications
There are a lot of Texas Instruments UC3877DWPTR AC DC Converters applications.
- Set-top boxes
- Small off-line low voltage power supplies
- MPS parts
- LED Driver
- Set Top Boxes (STB)
- Open Frame Switching Power Supply
- Consumer electronics
- Vacuum Cleaner
- Appliance Power Supplies
- Adapter/Charger for Cordless Phones