onsemi MC34025DWG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Topology | Half-Bridge |
| Voltage - Start Up | 9.2 V |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 30V |
| Duty Cycle | 45% |
| Frequency - Switching | 1MHz |
| Power (Watts) | - |
| Fault Protection | Current Limiting |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
MC34025DWG - Half-Bridge PWM Controller IC by onsemi
The MC34025DWG is a high-performance half-bridge pulse width modulation (PWM) controller IC designed for isolated power supply applications. Manufactured by onsemi, this versatile controller features a 1MHz switching frequency capability, making it ideal for compact, high-efficiency power conversion designs in industrial, telecommunications, and automotive applications.
Key Features & Benefits
- High-Frequency Operation: 1MHz switching frequency enables smaller transformer and filter components
- Wide Supply Voltage Range: 8.4V to 30V operating range with 9.2V start-up voltage
- Integrated Protection: Current limiting fault protection safeguards your power supply design
- Advanced Control: Frequency control and soft start features for reliable operation
- Isolated Topology: Half-bridge configuration with output isolation for safety-critical applications
- Surface Mount Package: 16-SOIC package (7.50mm width) for automated assembly and space-efficient PCB layouts
Applications
This PWM controller is perfectly suited for AC/DC and DC/DC converter designs requiring galvanic isolation, including switch-mode power supplies, battery chargers, industrial control systems, and telecommunications equipment operating in 0°C to 70°C ambient temperature environments.
Why Choose MC34025DWG? This proven PWM controller combines reliability, performance, and design flexibility. The integrated soft-start and current limiting features reduce component count and enhance system robustness, while the high switching frequency capability enables more compact power supply designs with improved efficiency.

MC34025DWG.pdf