Product Description
The UC3845BN is a high-performance, 8-pin, through-hole packaged, switching controller IC designed for step-up and step-down DC-DC converters. This IC is based on the UC3845 base part number and is optimized for current-mode control with pulse-width modulation (PWM) technique. The UC3845BN is suitable for a wide range of applications, including power supplies, battery chargers, and other DC-DC conversion systems.
Product Features
· Frequency Control: The IC features frequency control, allowing for precise adjustment of the switching frequency.
· Current-Mode Control: The UC3845BN operates in current-mode control, providing high efficiency and stability.
· Pulse-Width Modulation (PWM): The IC uses PWM technique for efficient and reliable operation.
· High Frequency Operation: The IC can operate at a maximum switching frequency of 500 kHz.
· Wide Input Voltage Range: The IC can handle input voltages from 7.6V to 30V.
· High Output Current: The IC can deliver an output current of up to 200mA.
· Low Power Dissipation: The IC has a maximum power dissipation of 1.25W.
Product Applications
· Primary Applications:
· DC-DC converters for power supplies and battery chargers.
· Switching regulators for industrial and automotive applications.
· Secondary Applications:
· Audio and video equipment.
· Medical devices.
· Industrial control systems.
Product Description
| Type | Description |
| ANSC PART# | ANSC- UC3845BN |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| DC DC Switching Controllers | |
| Manufacturer | - |
| Series | - |
| Packaging | Tube |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Boost, Flyback |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V |
| Frequency - Switching | Up to 500kHz |
| Duty Cycle (Max) | 48% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Serial Interfaces | - |
| Control Features | Frequency Control |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-Mini DIP |
| Base Product Number | UC3845 |
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