Parameters |
Mount |
Through Hole |
Mounting Type |
Through Hole |
Package / Case |
8-DIP (0.300, 7.62mm) |
Number of Pins |
8 |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tube |
Published |
2002 |
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 Pitch |
2.54mm |
Frequency |
275kHz |
Base Part Number |
UC384* |
Function |
Step-Up, Step-Up/Step-Down |
Number of Outputs |
1 |
Output Voltage |
5.1V |
Output Type |
Transistor Driver |
Input Voltage-Nom |
15V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Operating Supply Current |
30mA |
Output Configuration |
Positive or Negative, Isolation Capable |
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 |
45ns |
Synchronous Rectifier |
No |
Fall Time (Typ) |
35 ns |
Switcher Configuration |
SINGLE |
Max Duty Cycle |
50 % |
Duty Cycle (Max) |
48% |
Height Seated (Max) |
4.45mm |
Width |
7.62mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
UC3845N Overview
As a result of 8-DIP (0.300, 7.62mm) compact design, the switching controller is compatible with most applications. It is sufficient to generate 1 outputs with this dc motor controller. There is a Tube solid enclosure around the pmic. Transistor Driver dc switching's outputs (s) can be handled by it. 7.6V~30V is the operating voltage and supply voltage of the dc control. Work well in dc switchers with a 0°C~70°C TA. This switching controller can switch at 500kHz. A generalization of dc dc regulator can be made using Through Hole. In order to control switching efficiently, the dcdc regulator features Frequency Control. The switch converters are connected to a SWITCHING CONTROLLER analog IC. The switching converters's terminals (s) are designed at DUAL. A variety of 8 terminations are available in dc switching. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. It is inputted with a DC switcher's voltage of 15V. Other relevant dc to dc converter ics will be returned if you search "UC384*". Pins number 8 of switching converter in total. There is a particular type of Switching Regulator or Controllers in switching converter. DC regulator outputs 5.1V voltage according to the test statistics. Considering the dc to dc regulator can only accept 25V input voltage, it is important to take note of this. 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. It is set to 50 % duty cycle to ensure voltage regulator dc to dc reliability during power-ups and power-downs. DC switcher's Through Hole qualifies it for most applications and prototypes. Switching controller operates at 275kHz Hz. There is 30mA supply current for it.
UC3845N Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 275kHz
UC3845N Applications
There are a lot of ON Semiconductor UC3845N DC to DC converter applications.
- Surge protection circuits
- Textile machinery
- Machining centers
- Driver circuits
- Computer monitoring equipment of building
- Adjustable voltage or current linear circuits
- Sink circuits
- Motor controller circuits
- Program control systems
- Telecommunications equipment