Datasheet Linear Technology LTC1874 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC1874 |
双恒频电流模式降压DC / DC控制器
数据表
Datasheet LTC1874
PDF, 190 Kb, 语言: en, 文件上传: Sep 20, 2017, 页数: 12
Dual Constant Frequency Current Mode Step-Down DC/DC Controller
Dual Constant Frequency Current Mode Step-Down DC/DC Controller
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| LTC1874EGN#PBF | LTC1874EGN#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | SSOP-16 包装外形图 | SSOP-16 包装外形图 |
| Package Code | GN | GN |
| Package Index | 05-08-1641 (GN16) | 05-08-1641 (GN16) |
| Pin Count | 16 | 16 |
参数化
| Parameters / Models | LTC1874EGN#PBF | LTC1874EGN#TRPBF |
|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model | LTspice Model |
| Export Control | no | no |
| Features | 100% Duty Cycle, Burst Mode | 100% Duty Cycle, Burst Mode |
| Frequency, kHz | 550 | 550 |
| Integrated Inductor | no | no |
| Ishutdown, µA | 8 | 8 |
| Isupply, mA | 0.27 | 0.27 |
| Max Phases | 1 | 1 |
| Monolithic | no | no |
| Number of Outputs | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 |
| Output Current, A | 20 | 20 |
| Output Current 2, A | 20 | 20 |
| Polyphase | no | no |
| Sense Resistor | Rsense | Rsense |
| Switch Current, A | 20 | 20 |
| Switch Current 2, A | 20 | 20 |
| Synchronous | no | no |
| Topology | Buck | Buck |
| Topology 1 | Buck | Buck |
| Topology 2 | Buck | Buck |
| Vin Max, V | 9.8 | 9.8 |
| Vin Min, V | 2.5 | 2.5 |
| Vout Max, V | 9.8 | 9.8 |
| Vout Maximum | Vin | Vin |
| Vout Min, V | 0.8 | 0.8 |
| Vout Min 2, V | .8 | .8 |
| Vref Accuracy Over Temp, % | 2.5 | 2.5 |
生态计划
| LTC1874EGN#PBF | LTC1874EGN#TRPBF | |
|---|---|---|
| RoHS | Compliant | Compliant |
模型线
系列: LTC1874 (2)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers