Datasheet Linear Technology LTC3778 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC3778 |
宽工作范围，无RSENSE降压控制器
数据表
Datasheet LTC3778
PDF, 312 Kb, 语言: en, 文件上传: Sep 23, 2017, 页数: 24
Wide Operating Range, No RSENSE Step-Down Controller
Wide Operating Range, No RSENSE Step-Down Controller
从文件中提取
打包
| LTC3778EF#PBF | LTC3778EF#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | TSSOP-20 包装外形图 | TSSOP-20 包装外形图 |
| Package Code | F | F |
| Package Index | 05-08-1650 (F20) | 05-08-1650 (F20) |
| Pin Count | 20 | 20 |
参数化
| Parameters / Models | LTC3778EF#PBF | LTC3778EF#TRPBF |
|---|---|---|
| Architecture | Valley Current Mode | Valley Current Mode |
| Demo Boards | DC389A-A,DC389A-B,DC389A-C | DC389A-A,DC389A-B,DC389A-C |
| Design Tools | LTspice Model | LTspice Model |
| Export Control | no | no |
| Features | No Rsense | No Rsense |
| Frequency Adjust Range | Valley Current Mode | Valley Current Mode |
| Integrated Inductor | no | no |
| Ishutdown, µA | 15 | 15 |
| Isupply, mA | 0.9 | 0.9 |
| Max Phases | 1 | 1 |
| Monolithic | no | no |
| Number of Outputs | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 |
| Output Current, A | 20 | 20 |
| Polyphase | no | no |
| Sense Resistor | Rsense, None | Rsense, None |
| Switch Current, A | 20 | 20 |
| Synchronous | yes | yes |
| Topology | Buck | Buck |
| Vin Max, V | 36 | 36 |
| Vin Min, V | 4 | 4 |
| Vout Max, V | 32.4 | 32.4 |
| Vout Maximum | 0.9VIN | 0.9VIN |
| Vout Min, V | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 1 | 1 |
生态计划
| LTC3778EF#PBF | LTC3778EF#TRPBF | |
|---|---|---|
| RoHS | Compliant | Compliant |
设计须知
- Active Voltage Positioning Reduces Output Capacitors &mdash Design Solutions 10PDF, 130 Kb, 档案已发布: Nov 1, 1999从文件中提取
模型线
系列: LTC3778 (2)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers