STMicroelectronics8-DIP (0.300", 7.62mm)RoHS
UC3842BN
IC REG CTRLR PWM CM 8-MINIDIP
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
8-DIP (0.300", 7.62mm)
Status
Active
$0.89 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | UC3842BN |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TJ) |
| Topology | Boost, Flyback |
| Frequency - Switching | Up to 500kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 8-Mini DIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UC3842BN by STMicroelectronics is a Boost, Flyback IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 8-DIP (0.300", 7.62mm) package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Up, Step-Up/Step-Down |
| Topology | Boost, Flyback |
| Clock Sync | No |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Control Features | Frequency Control |
| Duty Cycle (Max) | 96% |
| Number of Outputs | 1 |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Synchronous Rectifier | No |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V |
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