Parameters |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
8 |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Subcategory |
Switching Regulator or Controllers |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Supply Voltage |
11V |
Frequency |
450kHz |
Base Part Number |
UC3844 |
Function |
Step-Up, Step-Down, Step-Up/Step-Down |
Number of Outputs |
1 |
Output Voltage |
15V |
Output Type |
Transistor Driver |
Input Voltage-Nom |
15V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Configuration |
Positive |
Output Current |
200mA |
Voltage - Supply (Vcc/Vdd) |
10V~30V |
Control Features |
Frequency Control |
Topology |
Boost, Buck, Buck-Boost, Flyback, Forward |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
Up to 500kHz |
Control Technique |
PULSE WIDTH MODULATION |
Rise Time |
50ns |
Supply Current-Max (Isup) |
25mA |
Synchronous Rectifier |
No |
Fall Time (Typ) |
50 ns |
Nominal Input Voltage |
25V |
Max Duty Cycle |
50 % |
Duty Cycle (Max) |
48% |
Height |
1.75mm |
Length |
4.9mm |
Width |
3.91mm |
Thickness |
1.58mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 1 day ago) |
Mounting Type |
Surface Mount |
Package / Case |
8-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Number of Pins |
8 |
Weight |
72.603129mg |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
UC3844AD8TR Overview
This switching controller fits most application requirements since it is packaged in a 8-SOIC (0.154, 3.90mm Width) package. The dc motor controller is adquate to generate for 1 outputs. Packaged in solid enclosures, this pmic has a Tape & Reel (TR) rating. The system can process Transistor Driver dc switching's outputs (s). dc control's supply and operating voltages are 10V~30V. Qualified to work in a 0°C~70°C TA dc switcher. There is a switch at Up to 500kHz that can be used with this controller. A generalization of dc dc regulator can be made using Surface Mount. In order to control switching efficiently, the dcdc regulator features Frequency Control. Switch converters are connected to ICs with SWITCHING CONTROLLER analog outputs. The switching converters's terminal (s) are designed at DUAL . There are many different types of terminations for 8. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. A DC switcher's nominal voltage of 15V is input. A search for "UC3844" will reveal other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. Statistically, DC regulator outputs 15V volts. The dc dc regulator's usual output current is 200mA, which should be noted down when you start a project. A duty cycle set at 50 % ensures voltage regulator dc to dc reliability during power-on and power-off. Switching controller operates at 450kHz Hz. For nominal working status, the input voltage can be set as 25V. Switching controller is necessary to provide a voltage of 11V. You should not supply more current than 25mA to the controller.
UC3844AD8TR Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3844AD8TR Applications
There are a lot of Texas Instruments UC3844AD8TR DC to DC converter applications.
- Alternators
- seismic instrument power circuits
- Constant current circuits
- Lathes
- Hydro power
- Surface processing equipment
- Flaw detection equipment
- Computer rooms
- Scientific testing
- Printing equipment