Datasheet Linear Technology LTC3827-1 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC3827-1 |
低I Q双路2相同步降压控制器
数据表
Datasheet LTC3827-1
PDF, 458 Kb, 语言: en, 文件上传: Sep 23, 2017, 页数: 32
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
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| LTC3827EG-1#PBF | LTC3827EG-1#TRPBF | LTC3827IG-1#PBF | LTC3827IG-1#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-28 包装外形图 | SSOP-28 包装外形图 | SSOP-28 包装外形图 | SSOP-28 包装外形图 |
| Package Code | G | G | G | G |
| Package Index | 05-08-1640 (G28) | 05-08-1640 (G28) | 05-08-1640 (G28) | 05-08-1640 (G28) |
| Pin Count | 28 | 28 | 28 | 28 |
参数化
| Parameters / Models | LTC3827EG-1#PBF | LTC3827EG-1#TRPBF | LTC3827IG-1#PBF | LTC3827IG-1#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC868A | DC868A | DC868A | DC868A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good | PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good | PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good | PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good |
| Frequency, kHz | 650 | 650 | 650 | 650 |
| Frequency Sync Range | 140kHz - 650kHz | 140kHz - 650kHz | 140kHz - 650kHz | 140kHz - 650kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 8 | 8 | 8 | 8 |
| Isupply, mA | 0.08 | 0.08 | 0.08 | 0.08 |
| Max Phases | 2 | 2 | 2 | 2 |
| Monolithic | no | no | no | no |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 | 25 | 25 |
| Output Current 2, A | 25 | 25 | 25 | 25 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | Rsense | Rsense | Rsense | Rsense |
| Switch Current, A | 25 | 25 | 25 | 25 |
| Switch Current 2, A | 25 | 25 | 25 | 25 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 |
| Vin Min, V | 4 | 4 | 4 | 4 |
| Vout Max, V | 10 | 10 | 10 | 10 |
| Vout Maximum | 10V | 10V | 10V | 10V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 2, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 |
生态计划
| LTC3827EG-1#PBF | LTC3827EG-1#TRPBF | LTC3827IG-1#PBF | LTC3827IG-1#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
模型线
系列: LTC3827-1 (4)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | External Power Switch Buck Controllers