Datasheet Linear Technology LTC3850-2 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC3850-2 |
双路2相同步降压开关控制器
数据表
Datasheet LTC3850-2
PDF, 417 Kb, 语言: en, 文件上传: Jul 31, 2016, 页数: 36
Dual, 2-Phase Synchronous Step-Down Switching Controller
Dual, 2-Phase Synchronous Step-Down Switching Controller
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价格
打包
| LTC3850IGN-2#PBF | LTC3850IGN-2#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | SSOP-28 包装外形图 | SSOP-28 包装外形图 |
| Package Code | GN | GN |
| Package Index | 05-08-1641 (GN28) | 05-08-1641 (GN28) |
| Pin Count | 28 | 28 |
参数化
| Parameters / Models | LTC3850IGN-2#PBF | LTC3850IGN-2#TRPBF |
|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model,LTpowerCAD Model | LTspice Model,LTpowerCAD Model |
| Export Control | no | no |
| Features | PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good | PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good |
| Frequency, kHz | 500 | 500 |
| Frequency Sync Range | 250kHz - 780kHz | 250kHz - 780kHz |
| Integrated Inductor | no | no |
| Ishutdown, µA | 30 | 30 |
| Isupply, mA | 0.85 | 0.85 |
| Max Phases | 2 | 2 |
| Monolithic | no | no |
| Number of Outputs | 2 | 2 |
| Operating Temperature Range, °C | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 |
| Polyphase | yes | yes |
| Sense Resistor | Rsense, DCR | Rsense, DCR |
| Switch Current, A | 25 | 25 |
| Synchronous | yes | yes |
| Topology | Buck | Buck |
| Topology 2 | Buck | Buck |
| Vin Max, V | 30 | 30 |
| Vin Min, V | 4 | 4 |
| Vout Max, V | 6 | 6 |
| Vout Maximum | 6V | 6V |
| Vout Min, V | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 1 | 1 |
生态计划
| LTC3850IGN-2#PBF | LTC3850IGN-2#TRPBF | |
|---|---|---|
| RoHS | Compliant | Compliant |
模型线
系列: LTC3850-2 (2)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers