Parameters |
Mount |
Through Hole |
Mounting Type |
Through Hole |
Package / Case |
8-DIP (0.300, 7.62mm) |
Number of Pins |
8 |
Operating Temperature |
-40°C~150°C TJ |
Packaging |
Tube |
JESD-609 Code |
e0 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
8 |
ECCN Code |
EAR99 |
Terminal Finish |
TIN LEAD |
Subcategory |
Switching Regulator or Controllers |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Terminal Pitch |
2.54mm |
Frequency |
250kHz |
Base Part Number |
UC3844 |
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 |
Output Configuration |
Positive |
Power Dissipation |
1W |
Output Current |
1A |
Voltage - Supply (Vcc/Vdd) |
10V~30V |
Quiescent Current |
11mA |
Control Features |
Frequency Control |
Topology |
Boost, Flyback |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
Up to 500kHz |
Input Voltage (Max) |
30V |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
50ns |
Synchronous Rectifier |
No |
Fall Time (Typ) |
50 ns |
Switcher Configuration |
SINGLE |
Max Duty Cycle |
50 % |
Input Current |
11mA |
Duty Cycle (Max) |
48% |
Width |
7.62mm |
REACH SVHC |
No SVHC |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Lead Free |
UC3844AN Overview
It comes in the 8-DIP (0.300, 7.62mm) package, which makes switching controller suitable for most applications. The dc motor controller is adquate to generate for 1 outputs. The pmic is packaged in Tube solid enclosure. It is capable of dealing with Transistor Driver dc switching's output (s). dc switching'sThe supply and operating voltage of the dc control are 10V~30V. Work well in dc switchers with a -40°C~150°C TJ. It can switch at Up to 500kHz. As it has a Through Hole value, it can be used for general dc dc regulator. In order to control switching efficiently, the dcdc regulator features Frequency Control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Switching converters are designed with the terminal (s) at position DUAL . A variety of dc switching's functions can be performed on 8 terminations. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. A search for "UC3844" will reveal other relevant dc to dc converter ics. 8 pins are on switching converter. Specifically, switching converter falls under the Switching Regulator or Controllers category. DC regulator outputs 5.1V voltage according to the test statistics. At most, the dc to dc regulator accepts 30V input voltage. If you start a project, note down the dc dc regulator's usual output current of 1A. Power-up and power-down reliability is ensured voltage regulator dc to dc by setting the maximum duty cycle to 50 %. Having a Through Hole makes DC switcher ideal for most prototype and application designs. A frequency of 250kHz is set for the switching controller. As long as the dc switching is in a dormant state, it utilizes 11mA. 11mA current flow input could be used to operate the switching converter .
UC3844AN Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 250kHz
UC3844AN Applications
There are a lot of STMicroelectronics UC3844AN DC to DC converter applications.
- Smart grid
- Experimental setup
- Emergency lighting monitoring equipment
- Ball screw pair
- Remotely powered electric motors
- Digital video recorders
- Electric water heaters
- Arc suppression circuits
- Various CNC machine tools
- Various precision measuring detectors