Description
The CN3905 is a synchronous step-down switching converter featuring internal power MOSFETs and low EMI characteristics. It provides a highly compact solution for power management across a wide input voltage range.
Capable of delivering a continuous current of 3.0A, the CN3905 offers excellent load and line regulation. Its design ensures low EMI by maintaining well-controlled switching edges, making it ideal for sensitive electronic applications.
Integrated fault protection includes programmable output overvoltage protection, constant-time mode, and thermal shutdown. This ensures the device remains safe and stable even under adverse operating conditions.
The converter requires a minimal number of standard external components and is housed in a standard ESOP-8 package for efficient thermal dissipation and easy integration.
{"Brand": "Chipnet", "Protection function": "Programmable overvoltage protection, thermal shutdown", "Maximum power supply current": "3A", "Output current": "3A", "Static current (lq)": "Not specified", "Ripple suppression (PSRR)": "Not specified", "Operating temperature": "Not specified", "Control characteristics": "Synchronous Buck", "Maximum input voltage": "36V", "Maximum output voltage": "Not specified", "Minimum output voltage": "Not specified", "Voltage drop": "Not specified"}Options
| SKU | Price | Availability |
|---|---|---|
| 0:0:规格型号:CN3905 (747222375843-5150144692574) | 0,80 ₽ | In stock |
Reviews
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Sander_Tech ★ 4.00 03.09.2026
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Дмитрий ★ 4.00 20.07.2026
Норм штука, работает стабильно. Единственное, корпус ESOP-8 требует аккуратной пайки, чтобы теплоотвод был нормальный. В остальном КПД высокий, помех по питанию почти нет.
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ElectroNik ★ 5.00 12.05.2026
Отличный понижайка. Взял для проекта на 24В, держит нагрузку в 2.5А без проблем, греется умеренно. Разводка платы получилась очень компактной, так как обвязки нужно минимум. Рекомендую!