Parameters |
Mounting Type |
Surface Mount |
Package / Case |
20-LCC (J-Lead) |
Surface Mount |
YES |
Number of Pins |
20 |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tube |
JESD-609 Code |
e3 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
20 |
ECCN Code |
EAR99 |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Switching Regulator or Controllers |
Technology |
BICMOS |
Terminal Position |
QUAD |
Terminal Form |
J BEND |
Peak Reflow Temperature (Cel) |
260 |
Frequency |
1MHz |
Base Part Number |
UC3856 |
Function |
Step-Up, Step-Down, Step-Up/Step-Down |
Number of Outputs |
2 |
Output Voltage |
13.1V |
Output Type |
Transistor Driver |
Input Voltage-Nom |
15V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Configuration |
Positive |
Output Current |
200mA |
Voltage - Supply (Vcc/Vdd) |
7V~40V |
Control Features |
Enable, Frequency Control, Soft Start |
Topology |
Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
200kHz |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
40ns |
Synchronous Rectifier |
Yes |
Fall Time (Typ) |
40 ns |
Nominal Input Voltage |
40V |
Max Duty Cycle |
50 % |
Duty Cycle (Max) |
47% |
Output Phases |
1 |
Height Seated (Max) |
4.57mm |
Length |
8.965mm |
Width |
8.965mm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
UC3856Q Overview
The switching controller fits in the 20-LCC (J-Lead) package and is ideal for most applications. This dc motor controller can be used to generate outputs with 2 numbers. PMIC is packaged in a solid enclosure of Tube. It is capable of handling Transistor Driver dc switching's outputs (s). This dc control operates at 7V~40V and has a 7V~40V supply voltage. Qualified to work in a 0°C~70°C TA dc switcher. A switching controller such as this can switch at a value of 200kHz . dc dc regulator is made easier with Surface Mount. To provide efficient switching control, Enable, Frequency Control, Soft Start is included in the dcdc regulator. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. The switching converters's terminals (s) are designed at QUAD. Different dc switching's functions can be applied to 20 terminations. These dc dc converter ics adapt several control methods, including PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. Other relevant dc to dc converter ics can be found by searching "UC3856". Total pins of switching converter are 20. In particular, switching converter belongs to the Switching Regulator or Controllers family. The test statistics indicate that DC regulator outputs a voltage of 13.1V. You should note that the dc dc regulator's usual output current is 200mA. The duty cycle of the voltage regulator dc to dc can be set to 50 % on power-up or power-down to ensure reliability. There is 1MHz frequency setting on the switching controller. 40V is the nominal working voltage.
UC3856Q Features
Transistor Driver Outputs
Switching Frequency: 200kHz
Enable, Frequency Control, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 1MHz
UC3856Q Applications
There are a lot of Texas Instruments UC3856Q DC to DC converter applications.
- Photovoltaic power
- Hydro power
- Flaw detection equipment
- Planers
- Combined machine tools
- Automatic plug-in machines
- Series voltage regulation circuits
- Mobile phones
- Arc suppression circuits
- Large fire protection systems