Parameters |
Mounting Type |
Surface Mount |
Package / Case |
14-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Number of Pins |
14 |
Operating Temperature |
-25°C~85°C TA |
Packaging |
Tube |
Published |
1999 |
JESD-609 Code |
e0 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
14 |
ECCN Code |
EAR99 |
Terminal Finish |
Tin/Lead (Sn/Pb) |
Subcategory |
Switching Regulator or Controllers |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
240 |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
UC284*B |
Function |
Step-Up, Step-Up/Step-Down |
Number of Outputs |
1 |
Output Voltage |
5.05V |
Output Type |
Transistor Driver |
Operating Supply Voltage |
30V |
Input Voltage-Nom |
15V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Configuration |
Positive |
Output Current |
1A |
Voltage - Supply (Vcc/Vdd) |
7.6V~30V |
Control Features |
Frequency Control |
Topology |
Boost, Flyback |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
Up to 500kHz |
Input Voltage (Max) |
25V |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
50ns |
Synchronous Rectifier |
No |
Fall Time (Typ) |
50 ns |
Switcher Configuration |
SINGLE |
Max Frequency |
275kHz |
Max Duty Cycle |
96 % |
Length |
8.65mm |
Width |
3.9mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
UC2843BD Overview
Capsuled in the 14-SOIC (0.154, 3.90mm Width) package, the switching controller suits most application needs. 1 outputs can be generated with the dc motor controller. PMIC is packaged in a solid enclosure of Tube. With Transistor Driver dc switching's output (s), it is able to handle it. A 7.6V~30V voltage is supplied to the dc control and used for operating it. Qualified to work in a -25°C~85°C TA dc switcher. A switching controller such as this can switch at a value of Up to 500kHz . A generalization of dc dc regulator can be made using Surface Mount. To provide efficient switching control, Frequency Control is included in the dcdc regulator. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. A variety of dc switching's functions can be performed on 14 terminations. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. DC switcher's input voltageis set to 15V. Searching "UC284*B" will return other relevant dc to dc converter ics. 14 pins are on switching converter. There is a particular type of Switching Regulator or Controllers in switching converter. According to the test statistics, DC regulator outputs 5.05V voltage. Voltages 25V are the maximum that the dc to dc regulator will accept. It's important to remember that the dc dc regulator's normaloutput current is 1A, so you should note it down when starting a new project. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 96 %. DC regulator275kHz has the maximum frequency. To operate the voltage regulator dc to dc safely and reliably, users should apply 30V.
UC2843BD Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 96 %
UC2843BD Applications
There are a lot of ON Semiconductor UC2843BD DC to DC converter applications.
- Electric heating, lighting
- Terrestrial set-top boxes
- Household control circuits
- Wind power
- Arc suppression circuits
- USB circuits
- Lathes
- Photovoltaic power
- Handheld GPS
- Program control systems