降压型稳压器
Analog Devices 制造了一系列兼具同步和异步开关的高性能降压型开关稳压器 IC 和降压型开关控制器 IC 产品。这些开关稳压器可提供从小于 2 V 至高达 100 V 以上的典型输入电压能力、高达 4 MHz 的开关频率及高达 96% 的运作效率。利用突发模式 (Burst Mode®) 操作，可获得几十微安级的静态电流。这些特点的组合造就了外形非常小巧和扁平的降压型开关稳压器电路实现方案，所需的外部组件极少。
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最新优势资源
设计笔记
- 新 高度可配置的60 V至0.8 V多输出级联降压转换器
- 新 灵活的双输出6相降压控制器按90.0%的效率将12 V驱动至1.0 V/200 A核心电源
- 具有16 μA静态电流的双通道8.5 A、18 V同步降压型Silent Switcher器件
- LTC7803或先进电源便捷设计之路
- 具2.5 μA静态电流和超低EMI的42 V单片式同步降压型稳压器
技术文章
- 5 V至140 V宽输入产生12 V、200 mA偏置电源
- Reduce Costs in the Long Run: Use the Same Qualified Parts for Both Positive and Negative Output DC-to-DC Converters
- Ultralow Noise, High Current, Compact DC-to-DC Converter Solution for Signal and Data Processing Circuits
- 关于开关频率需考虑的因素
- 热回路究竟是什么？
模拟对话
- 汽车USB 2.0和5 V Type-C解决方案提供充电和稳健的数据线保护
- 直接通过汽车电池输入进行DC-DC转换：5 A、3.3 V和5 V电源符合严格的EMI辐射标准
- 轻松快速设计开关模式电源EMI滤波器
- 使用高效率、高频率、低EMI DC/DC转换器降低对陶瓷电容的电源要求
- 基于常见降压转换器的双极性、单路输出、可调节电源
应用笔记
- AN170 - Honing the Adjustable Compensation Feature of Power System Management Controllers PDF
- AN168 - Implementing Fast Telemetry with Power System Management Controllers PDF
- AN-166: In Flight Update with Linduino PDF
- AN-155: Fault Log Decoding with Linduino PSM PDF
- AN-152: Power System Management Addressing (Rev. A) PDF
降压型稳压器
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Output Current 2 (typ) (A) | Monolithic | Vout Min (typ) (V) | Synchronous | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC3888-1 | 2 | 4.5 | 26.5 | 400 | 400 | No | 300m | - | 28m | $5.69 (LTC3888EUHG-1#PBF) |
| 2 | LTM8051 | 4 | 3 | 40 | 1.2 | 1.2 | Yes | 800m | Yes | 60µ | $9.03 (LTM8051EY#PBF) |
| 3 | LTC7802-3.3 | 2 | 4.5 | 20 | 20 | 12 | Yes | 3.3 | Yes | 12µ | $2.14 (LTC7802EUFDM-3.3#PBF) |
| 4 | LTC7132 | 2 | 4.5 | 20 | 25 | 25 | Yes | 500m | Yes | 25m | $6.75 (LTC7132EY#PBF) |
| 5 | LTC7871 | 1 | 1.2 | 100 | 180 | - | No | 1.2 | Yes | 10m | $3.60 (LTC7871ELWE#PBF) |
| 6 | LTC7803 | 1 | 4.5 | 40 | 20 | - | No | 800m | Yes | 12µ | $1.85 (LTC7803EMSE#PBF) |
| 7 | LT8618-3.3 | 1 | 3.6 | 60 | 100m | - | Yes | 3.3 | Yes | 2.5µ | $1.65 (LT8618EDDB-3.3#TRMPBF) |
| 8 | LT8618 | 1 | 3.6 | 60 | 100m | - | Yes | 800m | Yes | 2.5µ | $1.65 (LT8618EDDB#TRMPBF) |
| 9 | LT3383 | 7 | 2.7 | 5.5 | 2.5 | 2.5 | Yes | 850m | Yes | 248µ | $4.30 (LT3383EUJM#PBF) |
| 10 | LT3380 | 7 | 2.7 | 5.5 | 2.5 | 2.5 | Yes | 850m | Yes | 149µ | $4.50 (LT3380EUJM#PBF) |
| 11 | LTC3315B | 2 | 2.25 | 5.5 | 2 | 2 | Yes | 500m | Yes | 70µ | $1.80 (LTC3315BEV#TRMPBF) |
| 12 | LTC3311S | 1 | 2.25 | 5.5 | 12.5 | - | Yes | 500m | Yes | 1.3m | $2.90 (LTC3311SEV#PBF) |
| 13 | LTC3309B | 1 | 2.25 | 5.5 | 6 | - | Yes | 500m | Yes | 40µ | $1.90 (LTC3309BEV#TRMPBF) |
| 14 | LTC3307B | 1 | 2.25 | 5.5 | 3 | - | Yes | 500m | Yes | 40µ | $1.60 (LTC3307BEV#TRMPBF) |
| 15 | LT8698S | 1 | 7 | 42 | 3 | - | Yes | 5 | Yes | 2.5m | $1.80 (LT8698SEV-1#PBF) |
| 16 | LT8604 | 1 | 3.2 | 42 | 120m | - | Yes | 778m | Yes | 1.7µ | $1.50 (LT8604EDDBM#TRMPBF) |
| 17 | LTC7802 | 2 | 4.5 | 40 | 12 | 12 | No | 800m | Yes | 14µ | $2.14 (LTC7802EUFDM#PBF) |
| 18 | LTM4691 | 2 | 2.25 | 3.6 | 2 | 2 | Yes | 500m | Yes | 85µ | $2.84 (LTM4691EV#PBF) |
| 19 | LTC7817 | 3 | 1 | 40 | - | - | No | 800m | Yes | 14µ | $3.75 (LTC7817EUHF#PBF) |
| 20 | LT8648S | 1 | 2.45 | 42 | 15 | - | Yes | 600m | Yes | 140µ | $5.50 (LT8648SEV#PBF) |
| 21 | LTM4657 | 1 | 3.1 | 20 | 8 | - | Yes | 500m | Yes | 18m | $6.48 (LTM4657EY#PBF) |
| 22 | LTC3310S-1 | 1 | 2.25 | 5.5 | 10 | - | Yes | 1 | Yes | 1.3m | $2.70 (LTC3310SEV-1#PBF) |
| 23 | LTC3310S | 1 | 2.25 | 5.5 | 10 | - | Yes | 500m | Yes | 1.3m | $2.70 (LTC3310SEV#PBF) |
| 24 | LTC3310-1 | 1 | 2.25 | 5.5 | 10 | - | Yes | 1 | Yes | 1.3m | $3.24 (LTC3310HV-1#PBF) |
| 25 | LTC3310 | 1 | 2.25 | 5.5 | 10 | - | Yes | 500m | Yes | 1.3m | $3.09 (LTC3310JV#PBF) |
| 26 | LT8228 | 1 | 6 | 100 | 40 | - | No | 0 | Yes | 214µ | $6.60 (LT8228EFE#PBF) |
| 27 | LTC3309A | 1 | 2.25 | 5.5 | 6 | - | Yes | 500m | Yes | 40µ | $1.90 (LTC3309AEV#TRMPBF) |
| 28 | LTC3308A | 1 | 2.25 | 5.5 | 4 | - | Yes | 500m | Yes | 40µ | $1.70 (LTC3308AEV#TRMPBF) |
| 29 | LTC3307A | 1 | 2.25 | 5.5 | 3 | - | Yes | 500m | Yes | 40µ | $1.60 (LTC3307AEV#TRMPBF) |
| 30 | LT8650S-1 | 2 | 3 | 42 | 4 | 4 | Yes | 800m | Yes | 3.7µ | $6.58 (LT8650SHV-1#PBF) |
| 31 | LT8609B | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.40 (LT8609BEMSE#PBF) |
| 32 | LT8609A | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.50 (LT8609AEMSE#PBF) |
| 33 | LT8609 | 1 | 3 | 42 | 2 | - | Yes | 800m | Yes | 2.5µ | $2.50 (LT8609EMSE#PBF) |
| 34 | LT8636 | 1 | 3.4 | 42 | 5 | - | Yes | 970m | Yes | 1.7µ | $3.70 (LT8636EV#PBF) |
| 35 | LTM8024 (single output) | 1 | 3 | 40 | 7 | - | Yes | 800m | Yes | 90µ | $11.65 (LTM8024EY#PBF) |
| 36 | LTM8024 (dual output) | 2 | 3 | 40 | 3.5 | 3.5 | Yes | 800m | Yes | 90µ | $11.65 (LTM8024EY#PBF) |
| 37 | LTM4671 | 4 | 3.1 | 20 | 12 | 12 | Yes | 600m | Yes | 75m | $27.48 (LTM4671EY#PBF) |
| 38 | LTM4668A | 4 | 2.7 | 17 | 1.2 | 1.2 | Yes | 600m | Yes | 500µ | $6.55 (LTM4668AEY#PBF) |
| 39 | LTM4668 | 4 | 2.7 | 17 | 1.2 | 1.2 | Yes | 600m | Yes | 500µ | $6.55 (LTM4668EY#PBF) |
| 40 | LTM4664 (single output) | 1 | 30 | 58 | 50 | - | Yes | 500m | Yes | 1.6m | $57.48 (LTM4664EY#PBF) |
| 41 | LTM4664 (dual output) | 2 | 30 | 58 | 25 | 25 | Yes | 500m | Yes | 1.6m | $57.48 (LTM4664EY#PBF) |
| 42 | LTC7852 | 2 | 4.5 | 5.5 | 200 | 200 | No | 500m | Yes | 15m | $2.59 (LTC7852EUFD-1#PBF) |
| 43 | LT7101 | 1 | 4.4 | 105 | 1 | - | Yes | 1 | Yes | 200µ | $3.95 (LT7101EUHE#PBF) |
| 44 | LTC7818 | 3 | 4.5 | 40 | 25 | 25 | No | 800m | Yes | 14µ | $3.95 (LTC7818EUJ#PBF) |
| 45 | LTC3315A | 2 | 2.25 | 5.5 | 2 | 2 | Yes | 500m | Yes | 70µ | $1.80 (LTC3315AEV#TRMPBF) |
| 46 | LT8550 | 4 | 3.6 | 80 | 25 | 25 | No | - | Yes | 800µ | $2.95 (LT8550EUKG#PBF) |
| 47 | ADP5360 | 3 | 4.1 | 6.8 | 500m | 500m | Yes | 3.56 | Yes | 1.5m | $1.71 (ADP5360ACBZ-1-R7) |
| 48 | LTC7151S | 1 | 3.1 | 20 | 15 | - | Yes | 500m | Yes | 2m | $3.75 (LTC7151SEV#PBF) |
| 49 | LTC3889 | 2 | 5 | 60 | 20 | 20 | No | 1 | Yes | 26m | $7.63 (LTC3889EUKG#PBF) |
| 50 | LT8653S | 2 | 2.6 | 42 | 2 | 2 | Yes | 800m | Yes | 6.2µ | $4.02 (LT8653SEV#PBF) |
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