Datasheet Linear Technology LT3493 — 数据表
| 制造商 | Linear Technology |
| 系列 | LT3493 |
采用2mm x 3mm DFN封装的1.2A，750kHz降压开关稳压器
数据表
Datasheet LT3493
PDF, 607 Kb, 语言: en, 文件上传: Sep 18, 2017, 页数: 20
1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN
1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN
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价格
打包
| LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | 2x3 DFN-6 包装外形图 | 2x3 DFN-6 包装外形图 | 2x3 DFN-6 包装外形图 | 2x3 DFN-6 包装外形图 | 2x3 DFN-6 包装外形图 | 2x3 DFN-6 包装外形图 |
| Package Code | DCB | DCB | DCB | DCB | DCB | DCB |
| Package Index | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 |
| Pin Count | 6 | 6 | 6 | 6 | 6 | 6 |
参数化
| Parameters / Models | LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#TRPBF |
|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC897A | DC897A | DC897A | DC897A | DC897A | DC897A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no |
| Frequency, kHz | 750 | 750 | 750 | 750 | 750 | 750 |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Isupply, mA | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Over Voltage Protection, V | 40 | 40 | 40 | 40 | 40 | 40 |
| Polyphase | no | no | no | no | no | no |
| Switch Current, A | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 |
| Synchronous | no | no | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 | 36 | 36 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 34.2 | 34.2 | 34.2 | 34.2 | 34.2 | 34.2 |
| Vout Maximum | .95VIN | .95VIN | .95VIN | .95VIN | .95VIN | .95VIN |
| Vout Min, V | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 |
| Vref Accuracy Over Temp, % | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 |
生态计划
| LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
设计须知
- Tiny Monolithic Step-Down Regulators Operate with Wide Input Range &mdash DN390PDF, 158 Kb, 档案已发布: Apr 18, 2006从文件中提取
模型线
系列: LT3493 (6)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck