产品概要
描述
The STEVAL-ISA149V1 implements a 75 W SMPS reference design, tailored to the specifications of a typical high-end portable computer power supply (adapter). The peculiarities of this design are its very high efficiency at light load, and excellent global efficiency for a two-stage architecture. The high efficiency at high load is achieved without using synchronized rectification at the secondary side, resulting in a very cost-effective solution.The circuit is made up of two stages: a front-end PFC using the L6563S, and a flyback converter based on the L6566A. The CV/CC controller TSM1014 allows accurate current limitation on the secondary side. The flyback stage works as master and is dedicated to controlling circuit operation, including standby and protection functions. Additionally, it switches the PFC stage on and off by means of a dedicated pin (VCC_PFC), helping to achieve excellent efficiency even at light load, with a low level of complexity. Efficiency during active load and light load operation is compliant with Energy Star® eligibility criteria for both external (EPA rev. 2.0 EPS) and computer integrated (EPA rev. 4.0 COMPUTERS) power supplies. In addition, this design is also compliant with the latest computer requirements.
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性能一览
- Universal input mains range: 90 - 264 Vac, Freq. 45 - 65 Hz
- Output voltage: 19 V @ 4 A continuous operation
- Mains harmonics: in accordance with EN61000-3-2 Class-D or JEIDA-MITI Class-D
- Standby mains consumption: < 0.14 W @ 230 Vac, < 0.085 W @ 115 Vac
- Active load average efficiency: greater than 87% without synchronous rectification
- EMI: in accordance with EN55022-Class-B
- Safety: in accordance with EN60950
- Dimensions: 78 x 170 mm, 25 mm component maximum height
- PCB: single side, 70 μm, CEM-1, mixed PTH/SMT
- RoHS compliant
特别推荐
所有资源
| Resource title | 版本 | Latest update | Actions | Details | 下載 |
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Board Manufacturing Specifications (1)
| Resource title | 版本 | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| ZIP | 1.0 | 01 Jul 2016 | 01 Jul 2016 |
BOM (1)
| Resource title | 版本 | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| 1.0 | 01 Jul 2016 | 01 Jul 2016 |
Schematic Pack (1)
| Resource title | 版本 | Latest update | Actions | Options | ||
|---|---|---|---|---|---|---|
| 1.0 | 01 Jul 2016 | 01 Jul 2016 |
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | WEEE Compliant | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|---|
| STEVAL-ISA149V1 | Active 产品已量产 | CARD | Industrial | Ecopack2 | - | - | - | |
STEVAL-ISA149V1
Package:
CARDMaterial Declaration**:
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Supplier | Core Product | Board production status | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STEVAL-ISA149V1 | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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STEVAL-ISA149V1 Active