Datasheet Linear Technology LTC3776 — 数据表
制造商 | Linear Technology |
系列 | LTC3776 |
双2相,无RSENSE同步控制器,用于DDR / QDR存储器终端
数据表
LTC3776 - Dual 2-Phase, No RSENSE Synchronous Controller for DDR/QDR Memory Termination
PDF, 396 Kb, 修订版: A, 文件上传: Sep 23, 2017
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LTC3776EGN#PBF | LTC3776EGN#TRPBF | LTC3776EUF#PBF | LTC3776EUF#TRPBF | |
---|---|---|---|---|
N | 1 | 2 | 3 | 4 |
Package | SSOP-24 包装外形图 | SSOP-24 包装外形图 | 4x4 QFN-24 包装外形图 | 4x4 QFN-24 包装外形图 |
Package Code | GN | GN | UF | UF |
Package Index | 05-08-1641 (GN24) | 05-08-1641 (GN24) | 05-08-1697 | 05-08-1697 |
Pin Count | 24 | 24 | 24 | 24 |
参数化
Parameters / Models | LTC3776EGN#PBF | LTC3776EGN#TRPBF | LTC3776EUF#PBF | LTC3776EUF#TRPBF |
---|---|---|---|---|
Demo Boards | DC829A | DC829A | DC829A | DC829A |
Design Tools | LTspice File | LTspice File | LTspice File | LTspice File |
Export Control | no | no | no | no |
Features | PolyPhase, No Rsense, DDR Mode, Selectable Switching Frequency, Spread Spectrum, External Synchronization, PLL, Soft Start | PolyPhase, No Rsense, DDR Mode, Selectable Switching Frequency, Spread Spectrum, External Synchronization, PLL, Soft Start | PolyPhase, No Rsense, DDR Mode, Selectable Switching Frequency, Spread Spectrum, External Synchronization, PLL, Soft Start | PolyPhase, No Rsense, DDR Mode, Selectable Switching Frequency, Spread Spectrum, External Synchronization, PLL, Soft Start |
Frequency, kHz | 750 | 750 | 750 | 750 |
Frequency Adjust Range | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz |
Frequency Sync Range | 250kHz - 850kHz | 250kHz - 850kHz | 250kHz - 850kHz | 250kHz - 850kHz |
Integrated Inductor | no | no | no | no |
Ishutdown, µA | 9 | 9 | 9 | 9 |
Isupply, mA | 0.575 | 0.575 | 0.575 | 0.575 |
Monolithic | no | no | no | no |
Number of Outputs | 2 | 2 | 2 | 2 |
Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 |
Output Current, A | 5 | 5 | 5 | 5 |
Polyphase | yes | yes | yes | yes |
Sense Resistor | None | None | None | None |
Switch Current, A | 5 | 5 | 5 | 5 |
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 | 9.8 | 9.8 | 9.8 | 9.8 |
Vin Min, V | 2.75 | 2.75 | 2.75 | 2.75 |
Vout Max, V | 9.8 | 9.8 | 9.8 | 9.8 |
Vout Maximum | VOUT2=1/2*VOUT1 | VOUT2=1/2*VOUT1 | VOUT2=1/2*VOUT1 | VOUT2=1/2*VOUT1 |
Vout Min, V | 0.3 | 0.3 | 0.3 | 0.3 |
生态计划
LTC3776EGN#PBF | LTC3776EGN#TRPBF | LTC3776EUF#PBF | LTC3776EUF#TRPBF | |
---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant |
模型线
系列: LTC3776 (4)
制造商分类
- Power Management > Switching Regulator > DDR Memory/Bus Termination