Parameters |
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 |
Tube |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
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 |
5V |
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, 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 |
15V |
Max Duty Cycle |
50 % |
Input Current |
11mA |
Duty Cycle (Max) |
48% |
Height |
1.75mm |
Length |
4.9mm |
Width |
3.91mm |
Thickness |
1.58mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
UC3844AD8 Overview
With its 8-SOIC (0.154, 3.90mm Width) package, the switching controller fits the needs of most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. PMIC is packaged in a solid enclosure of Tube. Transistor Driver dc switching's outputs (s) are supported. A 10V~30V voltage is supplied to the dc control and used for operating it. Workable in an dc switcher where 0°C~70°C TA is the 0°C~70°C TArm. 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. The dcdc regulator features Frequency Control for efficient switching control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. The switching converters's terminal (s) are designed at DUAL . 8 terminations with a variety of function. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. A DC switcher's nominal voltage of 15V is input. Searching "UC3844" will return other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. In particular, switching converter is a type of Switching Regulator or Controllers. According to the test statistics, DC regulator outputs 5V 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. To ensure the reliability under power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set as 50 %. Switching controllers operate at 450kHz frequencies. Dormant dc switchings use 11mA. It is possible to set the input voltage to 15V for nominal working status. There is a requirement for a 11V supply voltage. The controller should not be supplied with more current than 25mA. An input of 11mA current flow could satisfy the operation of the switching converter .
UC3844AD8 Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3844AD8 Applications
There are a lot of Texas Instruments UC3844AD8 DC to DC converter applications.
- Photovoltaic power
- Solar power plants
- Product testing
- Sensitive electronic devices
- Electrical power transmission
- seismic instrument power circuits
- Lathes
- Smoke exhaust equipment
- Product burn-in
- Hydro power