Datasheet Linear Technology LTC3728IUH#TRPBF — 数据表
制造商 | Linear Technology |
系列 | LTC3728 |
零件号 | LTC3728IUH#TRPBF |
双路550kHz 2相同步降压开关稳压器
数据表
Datasheet LTC3728
PDF, 1.7 Mb, 语言: en, 文件上传: Sep 22, 2017, 页数: 36
Dual, 550kHz, 2-Phase Synchronous Step-Down Switching Regulator
Dual, 550kHz, 2-Phase Synchronous Step-Down Switching Regulator
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Package | 5x5 QFN-32 |
Package Code | UH |
Package Index | 05-08-1693 |
参数化
Architecture | Constant Frequency Current Mode |
Demo Boards | DC392A-B,DC447A,DC542A |
Design Tools | LTspice File |
Export Control | no |
Features | PolyPhase, External Synchronization, Power Good, Burst Mode |
Frequency | 550 kHz |
Frequency Sync Range | 250kHz - 550kHz |
Integrated Inductor | no |
Ishutdown | 20 µA |
Isupply | 0.47 mA |
Max Phases | 2 |
Monolithic | no |
Number of Outputs | 2 |
Operating Temperature Range | -40 to 85 °C |
Output Current | 25 A |
Output Current 2 | 25 A |
Polyphase | yes |
Sense Resistor | Rsense |
Switch Current | 25 A |
Switch Current 2 | 25 A |
Synchronous | yes |
Topology | Buck |
Topology 1 | Buck |
Topology 2 | Buck |
Vin Max | 36 V |
Vin Min | 4 V |
Vout Max | 5.5 V |
Vout Maximum | 5.5V |
Vout Min | 0.8 V |
Vout Min 2 | .8 V |
Vref Accuracy Over Temp | 1 % |
生态计划
RoHS | 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
文章
- Low Voltage, High Current DC/DC Power Supply with Load Sharing and Redundancy &mdash LT JournalPDF, 183 Kb, 档案已发布: Aug 9, 2004从文件中提取
模型线
系列: LTC3728 (8)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers
其他名称:
LTC3728IUHTRPBF, LTC3728IUH TRPBF