PMP8903
汽车类 SEPIC 转换器提供 4.5V@5.5A
PMP8903
概述
In today’s start-stop systems, it is common for battery voltages to dip well below the nominal 12V rating. PMP8903 represents a very common start-stop application where that battery voltage can drop as low as 5V, and a 5V output is still needed for CAN and also as an intermediate bus. This design also features two tiny synchronous low-voltage buck regulators generating 3.3V and 1.1V from the 5V intermediate rail, contributing to an overall solution size that is very compact for space-constrained automotive environments. For an additional output voltage version of the design, see PMP8903.2
特性
- 100% duty cycle capability
- 5V to 42V Input
- 5V output at 3.25A (LM3481 output)
- 1.1V output at 2A (TLV62065)
- 3.3V output at 1A (TLV62065)
- This example design is supported with design and test files
| 输出电压选项 | PMP8903.1 | PMP8903.2 | PMP8903.3 |
|---|---|---|---|
| Vin (Min) (V) | 5 | 4.5 | 4.5 |
| Vin (Max) (V) | 42 | 5.5 | 5.5 |
| Vout (Nom) (V) | 5 | 3.3 | 1.1 |
| Iout (Max) (A) | 3.25 | 1 | 2 |
| Output Power (W) | 16.25 | 3.3 | 2.2 |
| Isolated/Non-Isolated | Non-Isolated | Non-Isolated | Non-Isolated |
| Input Type | DC | DC | DC |
| Topology | Sepic- CCM | Buck- Synchronous | Buck- Synchronous |
我们开发的全面组装电路板仅用于测试和性能验证，不可用于销售。
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设计文件
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| 类型 | 标题 | 下载最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| 测试报告 | PMP8903 Test Results | 2013年 5月 22日 |