Parameters |
Mounting Type |
Surface Mount |
Package / Case |
8-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Number of Pins |
8 |
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 |
8 |
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 or Negative, Isolation Capable |
Power Dissipation |
800mW |
Output Current |
1A |
Voltage - Supply (Vcc/Vdd) |
7.6V~30V |
Control Features |
Frequency Control |
Topology |
Boost, Flyback |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
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 |
48 % |
Length |
4.9mm |
Width |
3.9mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
UC2845BD1 Overview
This switching controller fits most application requirements since it is packaged in a 8-SOIC (0.154, 3.90mm Width) package. This dc motor controller can be used to generate outputs with 1 numbers. Tube is the solid enclosure in which PMIC is packaged. With this function, you can deal with Transistor Driver dc switching's outputs (s). This dc control has a supply voltage and operating voltage of 7.6V~30V. Workable in an dc switcher where -25°C~85°C TA is the -25°C~85°C TArm. This switching controller can switch at 500kHz. The Surface Mount makes it ideal for general dc dc regulator. Featured in the dcdc regulator is Frequency Control which allows efficient switching control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Thare switching converters has a terminal (s) at DUAL . 8 terminations with a variety of function. These dc dc converter ics adapt a variety of control techniques, including PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. You can find other relevant dc to dc converter ics by searching "UC284*B". 8 pins are on switching converter. There is a particular type of Switching Regulator or Controllers in switching converter. Based on the test statistics, DC regulator outputs voltage 5.05V. The dc to dc regulator can only accept 25V input voltage. 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 48 %. This dc regulatorhas a max frequency of 275kHz. If the user wishes to run the voltage regulator dc to dc in a circuit safely and reliably, they should apply 30V.
UC2845BD1 Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 48 %
UC2845BD1 Applications
There are a lot of ON Semiconductor UC2845BD1 DC to DC converter applications.
- Computer monitoring equipment of building
- Printing
- Access control systems
- Computer-related products
- Wide-range voltage regulation circuits
- Driver circuits
- Television equipment
- Milling machines
- CNC system
- Linear guide