Datasheet Linear Technology LTC1877 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC1877 |
高效单片同步降压稳压器
数据表
Datasheet LTC1877
PDF, 246 Kb, 语言: en, 文件上传: Sep 20, 2017, 页数: 18
High Efficiency Monolithic Synchronous Step-Down Regulator
High Efficiency Monolithic Synchronous Step-Down Regulator
从文件中提取
价格
打包
| LTC1877EMS8#PBF | LTC1877EMS8#TRPBF | LTC1877IMS8#PBF | LTC1877IMS8#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | MS-8 包装外形图 | MS-8 包装外形图 | MS-8 包装外形图 | MS-8 包装外形图 |
| Package Code | MS8 | MS8 | MS8 | MS8 |
| Package Index | 05-08-1660 | 05-08-1660 | 05-08-1660 | 05-08-1660 |
| Pin Count | 8 | 8 | 8 | 8 |
参数化
| Parameters / Models | LTC1877EMS8#PBF | LTC1877EMS8#TRPBF | LTC1877IMS8#PBF | LTC1877IMS8#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC290A-A | DC290A-A | DC290A-A | DC290A-A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle |
| Frequency, kHz | 550 | 550 | 550 | 550 |
| Frequency Sync Range | 400kHz - 700kHz | 400kHz - 700kHz | 400kHz - 700kHz | 400kHz - 700kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 0.01 | 0.01 | 0.01 | 0.01 |
| Isupply, mA | 0.01 | 0.01 | 0.01 | 0.01 |
| Max Phases | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 0.6 | 0.6 | 0.6 | 0.6 |
| Polyphase | no | no | no | no |
| Switch Current, A | 1 | 1 | 1 | 1 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 10 | 10 | 10 | 10 |
| Vin Min, V | 2.65 | 2.65 | 2.65 | 2.65 |
| Vout Max, V | 10 | 10 | 10 | 10 |
| Vout Maximum | Vin | Vin | Vin | Vin |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 2 | 2 | 2 | 2 |
生态计划
| LTC1877EMS8#PBF | LTC1877EMS8#TRPBF | LTC1877IMS8#PBF | LTC1877IMS8#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
设计须知
- 10ВµA Quiescent Current Step-Down Regulators Extend Standby Time in Handheld Products &mdash DN235PDF, 83 Kb, 档案已发布: Jul 6, 2001从文件中提取
文章
- Monolithic Synchronous Step-Down Regulators Pack >500mA Output Current in an MS8 Package &mdash LT JournalPDF, 311 Kb, 档案已发布: May 1, 2000从文件中提取
模型线
系列: LTC1877 (4)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck