UC3843BN
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 7 months ago) |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300, 7.62mm) |
| Number of Pins | 8 |
| Weight | 930.006106mg |
| Operating Temperature | 0°C~70°C TJ |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 8 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Subcategory | Switching Regulator or Controllers |
| Max Power Dissipation | 800mW |
| Technology | BIPOLAR |
| Terminal Position | DUAL |
| Terminal Pitch | 2.54mm |
| Frequency | 250kHz |
| Base Part Number | UC3843 |
| Function | Step-Up, Step-Up/Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 5.05V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Power Dissipation | 800mW |
| Output Current | 200mA |
| Voltage - Supply (Vcc/Vdd) | 7.6V~30V |
| Max Supply Current | 17mA |
| Control Features | Frequency Control |
| Topology | Boost, Flyback |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | Up to 500kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Rise Time | 50ns |
| Synchronous Rectifier | No |
| Fall Time (Typ) | 50 ns |
| Nominal Input Voltage | 15V |
| Switcher Configuration | SINGLE |
| Max Duty Cycle | 100 % |
| Duty Cycle (Max) | 96% |
| Height | 3.32mm |
| Length | 10.92mm |
| Width | 6.6mm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
UC3843BN Overview
It comes in a 8-DIP (0.300, 7.62mm) package, so switching controller can be used for most applications. 1 outputs are supported by the dc motor controller. The pmic is packaged in Tube solid enclosure. There are Transistor Driver dc switching's output (s) that it can handle. Voltages 7.6V~30V are the dc control's supply voltage and operating voltage, respectively. A 0°C~70°C TJ dc switcher is not a problem. The switching controller can be switched at Up to 500kHz. It is suitable for general dc dc regulator when it is set to Through Hole. DCDC regulator is controlled efficiently by Frequency Control. An analog IC with the SWITCHING CONTROLLER signal is connected to the switch converters. The switching converters's terminal (s) are designed at DUAL . Various 8 terminations. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. 15V nominal DC switcher's voltage input. Search for "UC3843" to find other relevant dc to dc converter ics. The switching converter has a total of 8 pins. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 5.05V voltage according to the test statistics. If you are starting a new project, you should note the dc dc regulator's typical output current is 200mA. The duty cycle of the voltage regulator dc to dc can be set to 100 % on power-up or power-down to ensure reliability. As DC switcher has a Through Hole, it's suitable for most applications and prototype designs. A frequency of 250kHz is set for the switching controller. It is possible to set the input voltage to 15V for nominal working status. There is a possibility of damage to the component if the switching voltage regulators current exceeds 17mA.
UC3843BN Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 100 %
Frequency: 250kHz
UC3843BN Applications
There are a lot of STMicroelectronics UC3843BN DC to DC converter applications.
- Energy management systems
- Current source circuits
- Electrical power transmission
- Smoke prevention equipment
- Ball screw pair
- Refrigerators of central air conditioners
- Smoke exhaust equipment
- Computer rooms
- Overvoltage protection circuits in TV sets
- Fire elevators
