Parameters |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
8 |
Termination |
Through Hole |
ECCN Code |
EAR99 |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Subcategory |
Switching Regulator or Controllers |
Max Power Dissipation |
1W |
Technology |
BIPOLAR |
Terminal Position |
DUAL |
Supply Voltage |
11V |
Terminal Pitch |
2.54mm |
Frequency |
450kHz |
Base Part Number |
UC3845 |
Function |
Step-Up, Step-Down, Step-Up/Step-Down |
Number of Outputs |
1 |
Output Voltage |
15V |
Output Type |
Transistor Driver |
Max Output Current |
1A |
Input Voltage-Nom |
15V |
Analog IC - Other Type |
SWITCHING CONTROLLER |
Output Configuration |
Positive, Isolation Capable |
Power Dissipation |
1W |
Output Current |
1A |
Voltage - Supply (Vcc/Vdd) |
7.6V~30V |
Quiescent Current |
11mA |
Control Features |
Frequency Control |
Topology |
Buck, Boost, Flyback, Forward Converter |
Control Mode |
CURRENT-MODE |
Frequency - Switching |
500kHz |
Max Input Voltage |
25V |
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 |
Switcher Configuration |
BUCK-BOOST |
Max Duty Cycle |
50 % |
Input Current |
11mA |
Duty Cycle (Max) |
48% |
Height |
5.08mm |
Length |
9.81mm |
Width |
6.35mm |
Thickness |
3.9mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 2 days ago) |
Mounting Type |
Through Hole |
Package / Case |
8-DIP (0.300, 7.62mm) |
Surface Mount |
NO |
Number of Pins |
8 |
Weight |
528.605208mg |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tube |
UC3845AN Overview
This switching controller fits most application requirements since it is packaged in a 8-DIP (0.300, 7.62mm) package. The dc motor controller is adquate to generate for 1 outputs. Packaged in solid enclosures, this pmic has a Tube rating. There are Transistor Driver dc switching's output (s) that it can handle. dc control's supply and operating voltages are 7.6V~30V. Work well in dc switchers with a 0°C~70°C TA. In this switching controller, the switch can be set to 500kHz. Through Hole makes it suitable for general dc dc regulator. Frequency Control provides dcdc regulator efficient switching control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. There are a terminal (s) on the switching converters that are designed at DUAL. An array of 8 terminations of dc switching. This dc dc converter ic uses a variety of control techniques, including PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. In addition to "UC3845", there are other relevant dc to dc converter ics you can find. 8 pins are present on switching converter. Specifically, switching converter falls under the Switching Regulator or Controllers category. Test statistics indicate DC regulator outputs 15V voltage. normally, the dc dc regulator's output current is 1A, which you should keep in mind when starting a project. As a result of this, the maximum duty cycle of the voltage regulator dc to dc must remain 50 % during power-up and power-down. There is 450kHz frequency setting on the switching controller. In dormant mode, 11mA is used. It is possible to set the input voltage as 15V for nominal working statuses. The maximum input voltage of dc switcher is 25V, so users should limit their voltage accordingly. Voltage 11V is required for supply. DC switcher will not be able to provide an output current above 1A volts. The controller should not be supplied with more current than 25mA. If there is 11mA current flow input, then the switching converter could operate.
UC3845AN Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz
UC3845AN Applications
There are a lot of Texas Instruments UC3845AN DC to DC converter applications.
- Household control circuits
- Production lines
- Digital display device
- SMT equipment
- Scientific testing
- Series voltage regulation circuits
- Precision electronic equipment
- Smart grid
- Thermal power
- Scientific research