Datasheet Linear Technology LTC3617 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC3617 |
用于DDR终端的±6A单片同步降压稳压器
数据表
Datasheet LTC3617
PDF, 487 Kb, 语言: en, 文件上传: Sep 22, 2017, 页数: 20
±6A Monolithic Synchronous Step-Down Regulator for DDR Termination
±6A Monolithic Synchronous Step-Down Regulator for DDR Termination
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| LTC3617EUDD#PBF | LTC3617EUDD#TRPBF | LTC3617IUDD#PBF | LTC3617IUDD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 3x5 QFN-24 包装外形图 | 3x5 QFN-24 包装外形图 | 3x5 QFN-24 包装外形图 | 3x5 QFN-24 包装外形图 |
| Package Code | UDD | UDD | UDD | UDD |
| Package Index | 05-08-1833 | 05-08-1833 | 05-08-1833 | 05-08-1833 |
| Pin Count | 24 | 24 | 24 | 24 |
参数化
| Parameters / Models | LTC3617EUDD#PBF | LTC3617EUDD#TRPBF | LTC3617IUDD#PBF | LTC3617IUDD#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1707A | DC1707A | DC1707A | DC1707A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no |
| Features | DDR Mode, Resistor Set Frequency, External Synchronization, Power Good | DDR Mode, Resistor Set Frequency, External Synchronization, Power Good | DDR Mode, Resistor Set Frequency, External Synchronization, Power Good | DDR Mode, Resistor Set Frequency, External Synchronization, Power Good |
| Frequency, kHz | 4000 | 4000 | 4000 | 4000 |
| Frequency Adjust Range | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz |
| Frequency Sync Range | Up to 4MHz | Up to 4MHz | Up to 4MHz | Up to 4MHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 1.1 | 1.1 | 1.1 | 1.1 |
| Max Phases | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes |
| 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 | 6 | 6 | 6 | 6 |
| Output Current 2, A | 0.01 | 0.01 | 0.01 | 0.01 |
| Polyphase | no | no | no | no |
| Switch Current, A | 10 | 10 | 10 | 10 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck |
| Topology 2 | LDO | LDO | LDO | LDO |
| Vin Max, V | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 2.25 | 2.25 | 2.25 | 2.25 |
| Vout Max, V | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Maximum | Vin | Vin | Vin | Vin |
| Vout Min, V | 0.5 | 0.5 | 0.5 | 0.5 |
| Vout Min 2, V | 0.5 | 0.5 | 0.5 | 0.5 |
生态计划
| LTC3617EUDD#PBF | LTC3617EUDD#TRPBF | LTC3617IUDD#PBF | LTC3617IUDD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
模型线
系列: LTC3617 (4)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck
- Power Management > Switching Regulator > DDR Memory/Bus Termination