UC3844ADM
| Parameters | |
|---|---|
| Lifecycle Status | OBSOLETE (Last Updated: 1 month ago) |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 8 |
| Weight | 540.001716mg |
| Operating Temperature | 0°C~70°C TA |
| Packaging | Tube |
| Published | 1997 |
| JESD-609 Code | e3 |
| Pbfree Code | yes |
| Part Status | Discontinued |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 8 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Technology | BIPOLAR |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Frequency | 500kHz |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Base Part Number | UC*84 |
| 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 |
| Operating Supply Current | 11mA |
| Output Configuration | Positive |
| Output Current | 1A |
| Voltage - Supply (Vcc/Vdd) | 10V~30V |
| Quiescent Current | 11mA |
| Output Power | 25W |
| Control Features | Frequency Control |
| Topology | Boost, Buck, Flyback, Forward |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | Up to 500kHz |
| Input Voltage (Max) | 30V |
| Control Technique | PULSE WIDTH MODULATION |
| Rise Time | 50ns |
| Synchronous Rectifier | No |
| Switcher Configuration | SINGLE |
| Max Duty Cycle | 50 % |
| Isolation | Isolated |
| Duty Cycle (Max) | 48% |
| RoHS Status | RoHS Compliant |
| Lead Free | Lead Free |
UC3844ADM Overview
With a 8-SOIC (0.154, 3.90mm Width) package, the switching controller is suitable for a wide range of applications. There is sufficient capacity to generate switching controller for outputs 1. A solid enclosure of Tube surrounds pmic. Transistor Driver dc switching's outputs (s) can be handled by it. This dc control operates at 10V~30V and has a 10V~30V supply voltage. Worked in a 0°C~70°C TA dc switcher before. The switching controller is capable of switching at the Up to 500kHz position. The Surface Mount allows it to be used for dc dc regulator in general. Frequency Control provides dcdc regulator efficient switching control. A SWITCHING CONTROLLER analog integrated circuit is connected to the switch converters. Switching converters are designed with the terminal (s) at position DUAL . A variety of terminations with 8 of dc switching. A few of the control techniques these dc dc converter ics adapt include PULSE WIDTH MODULATION. DC switcher's input voltageis set to 15V. UC*84 can be used to locate other relevant dc to dc converter ics. Total pins of switching converter are 8. Specifically, switching converter falls under the Switching Regulator or Controllers category. DC regulator outputs 5V voltage based on test statistics. It should be fully noted that the dc to dc regulator only accepts 30V input voltage at most. A starting point for a project is to note down the dc dc regulator's usual output current, which is 1A. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 50 %. Because of DC switcher's Surface Mount, it is suitable for most prototype designs and applications. Switching controller operates at 500kHz Hz. As long as the dc switching is in a dormant state, it utilizes 11mA. There is 11mA supply current for it.
UC3844ADM Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 500kHz
UC3844ADM Applications
There are a lot of Microsemi Corporation UC3844ADM DC to DC converter applications.
- Radio equipment
- Electrical distribution systems
- Injection molding machinery
- Various precision measuring instruments
- Computed tomography (CT)
- Industrial controllers
- Wide-range voltage regulation circuits
- Large fire protection systems
- Industrial robots
- Domestic water pumps
