Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
ACTIVE (Last Updated: 2 days ago) |
Mounting Type |
Surface Mount |
Package / Case |
14-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Number of Pins |
14 |
Weight |
122.413241mg |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e4 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
14 |
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 |
UC3842 |
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 |
100 % |
Duty Cycle (Max) |
96% |
Height |
1.75mm |
Length |
8.65mm |
Width |
3.91mm |
Thickness |
1.58mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
UC3842ADTR Overview
With a 14-SOIC (0.154, 3.90mm Width) package, the switching controller is suitable for a wide range of applications. The dc motor controller is adquate to generate for 1 outputs. An enclosure of Tape & Reel (TR) is used to package the PMIC. Transistor Driver dc switching's outputs (s) are supported. dc control's supply and operating voltages are 10V~30V. Workable in an dc switcher where 0°C~70°C TA is the 0°C~70°C TArm. With this switching controller, you can switch at Up to 500kHz. As it has a Surface Mount value, it can be used for general dc dc regulator. To ensure efficient switching, this dcdc regulator features a Frequency Control. An analog IC with the SWITCHING CONTROLLER signal is connected to the switch converters. Thare switching converters has a terminal (s) at DUAL . A variety of 14 terminations are available in dc switching. These dc dc converter ics adapt several control methods, including PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. You can find other relevant dc to dc converter ics by searching "UC3842". There are 14 pins on switching converter. Specially, switching converter corresponds to type Switching Regulator or Controllers. Test statistics indicate DC regulator outputs 15V voltage. If you are starting a new project, you should note the dc dc regulator's typical output current is 200mA. It is set to 100 % duty cycle to ensure voltage regulator dc to dc reliability during power-ups and power-downs. There is 450kHz frequency setting on the switching controller. A nominal working status is achieved when the input voltage is set to 25V. Switching controller is necessary to provide a voltage of 11V. You should not supply more current than 25mA to the controller.
UC3842ADTR Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 100 %
Frequency: 450kHz
UC3842ADTR Applications
There are a lot of Texas Instruments UC3842ADTR DC to DC converter applications.
- Motor controller circuits
- Surface processing equipment
- Balance equipment
- Electrical power transmission
- Precision electronic equipment
- seismic instrument power circuits
- Access control systems
- PSRR circuits
- Electric water heaters
- Milling machines