低成本的开关稳压器

开关稳压器可完美替代效率低下的线性稳压器。这些产品可以用效率高达 97% 的转换器取代效率低下的线性稳压器,从而无需散热器。这些产品即插即用,引脚与线性稳压器兼容,因此可轻松集成到现有设计中,而无需改变 PCB 布局。由于采用全自动制造工艺,RECOM 能够在不降低质量或可靠性的情况下降低成本,尤其是新推出的 K 系列。
  系列 功率(W) 输入电压(V) 输出路数 主输出电压(V) 安装类型
1 RECOM | R-78CK-0.5 Series | DC/DC, THT, Single Output
重点
1.65 - 7.5 5 - 40, 6.5 - 40, 15 - 40, 18 - 40 单路 12, 15, 3.3, 5 THT
2 RECOM | R-78HE-0.3 Series | DC/DC, THT, 1.5W, Single Output
重点
1.5 6.5 - 72 单路 5 THT
3 RECOM | R-78K-0.5 Series | DC/DC, THT, Single Output
重点
0.75 - 7.5 4.5 - 36, 6.5 - 36, 8 - 36, 12 - 36, 15 - 36, 18 - 36 单路 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 6.5, 9 THT
4 RECOM | R-78K-1.0 Series | DC/DC, THT, Single Output
重点
1.8 - 15 4.5 - 36, 6.5 - 36, 12 - 36, 15 - 36, 18 - 36 单路 1.8, 12, 15, 2.5, 3.3, 5, 9 THT
5 RECOM | R-78K-2.0 Series | DC/DC, THT, Single Output
重点
2.4 - 30 4.5 - 36, 6.5 - 36, 11 - 36, 15 - 36, 18 - 36 单路 1.2, 1.5, 1.8, 12, 15, 2.5, 3.3, 5, 9 THT
6 RECOM | ROF-78K-0.5 Series | DC/DC, SMD (pinless), Single Output
重点 新
1.65 - 12 4.5 - 36, 6.5 - 36, 8 - 36, 11 - 36, 15 - 36, 18 - 36, 28 - 36 单路 12, 15, 24, 3.3, 5, 6.5, 9 SMD (无引脚)
7 RECOM | RPL-1.0 Series | DC/DC, SMD (pinless), 5W, Single Output
重点
5 3 - 22 单路 0.6 ‐ 12 SMD (无引脚)
8 RECOM | RPL-1.0-EVM-1 Series | DC/DC, 5W, Single Output
重点
5 3 - 22 单路 0.6 ‐ 12
9 RECOM | RPL-10 Series | DC/DC, SMD (pinless), 50W, Single Output
重点
50 4 - 16 单路 0.6 ‐ 5.5 SMD (无引脚)
10 RECOM | RPL-10-EVM-1 Series | DC/DC, 50W, Single Output
重点
50 4 - 16 单路 0.6 ‐ 5.5
11 RECOM | RPL-20 Series | DC/DC, SMD (pinless), 100W, Single Output
重点
100 4 - 16 单路 0.6 ‐ 5.5 SMD (无引脚)
12 RECOM | RPL-20-EVM-1 Series | DC/DC, 100W, Single Output
重点
100 4 - 16 单路 0.6 ‐ 5.5
13 RECOM | RPL-3.0 Series | DC/DC, SMD (pinless), 15W, Single Output
重点
15 4 - 18 单路 0.8 ‐ 5.2 SMD (无引脚)
14 RECOM | RPX-0.5Q Series | DC/DC, SMD (pinless), 2.5W, Single Output
重点
2.5 4 - 36 单路 0.8 ‐ 34 SMD (无引脚)
15 RECOM | RPX-1.0 Series | DC/DC, SMD (pinless), 5W, Single Output
重点
5 4 - 36 单路 0.8 ‐ 30 SMD (无引脚)
16 RECOM | RPX-1.5 Series | DC/DC, SMD (pinless), 7.5W, Single Output
重点
7.5 4 - 36 单路 0.8 ‐ 30 SMD (无引脚)
17 RECOM | RPX-1.5Q Series | DC/DC, SMD (pinless), 7.5W, Single Output
重点
7.5 4 - 36 单路 0.8 ‐ 30 SMD (无引脚)
18 RECOM | RPX-2.5 Series | DC/DC, SMD (pinless), 12.5W, Single Output
重点
12.5 4.5 - 28 单路 1.2 ‐ 6 SMD (无引脚)
19 RECOM | RPX-4.0 Series | DC/DC, SMD (pinless), 20W, Single Output
重点
20 3.8 - 36 单路 1 ‐ 7 SMD (无引脚)
20 RECOM | RPZ-2.0 Series | DC/DC, SMD (pinless), 10W, Single Output
重点
10 2.75 - 6 单路 0.6 ‐ 5.74 SMD (无引脚)
21 RECOM | R-78E-0.5 Series | DC/DC, THT, Single Output
1.65 - 7.5 6 - 28, 7 - 28, 12 - 28, 15 - 28, 18 - 28 单路 12, 15, 3.3, 5, 9 THT
22 RECOM | R-78E-1.0 Series | DC/DC, THT, Single Output
3.3, 5, 12 7 - 28, 8 - 28, 15 - 27 单路 12, 3.3, 5 THT
23 RECOM | ROF-78E-0.5 Series | DC/DC, SMD, Single Output
1.65, 2.5, 6 5 - 36, 9 - 36, 15 - 36 单路 12, 3.3, 5 SMD

常见问题解答

Linear regulators act as resistive elements, dissipating excess voltage as waste heat (often operating at efficiencies as low as 30% to 50%). Switching regulators convert voltage at up to 97% efficiency, drastically lowering thermal stress, eliminating the need for bulky heatsinks, and offering a cost-effective long-term solution for energy-conscious designs.
Yes. Standard 78-series switching regulators feature the exact pinout and footprint of traditional TO-220 three-terminal 78xx linear regulators (VIN, GND, VOUT). This allows a direct, cost-effective drop-in upgrade on existing PCB layouts without requiring circuit redesigns.
Through-hole (THT) options fit standard 3-pin headers for drop-in retrofits. Surface-mount (SMD/LGA) modules offer low-profile, pinless construction engineered for automated SMT pick-and-place lines, providing a cost-effective solution where vertical component clearance is strictly limited.

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