Datasheet Linear Technology LT3682 — 数据表
| 制造商 | Linear Technology |
| 系列 | LT3682 |
1A微功耗降压型开关稳压器
数据表
Datasheet LT3682
PDF, 265 Kb, 语言: en, 文件上传: Sep 18, 2017, 页数: 24
1A Micropower Step-Down Switching Regulator
1A Micropower Step-Down Switching Regulator
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| LT3682EDD#PBF | LT3682EDD#TRPBF | LT3682IDD#PBF | LT3682IDD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 3x3 DFN-12 包装外形图 | 3x3 DFN-12 包装外形图 | 3x3 DFN-12 包装外形图 | 3x3 DFN-12 包装外形图 |
| Package Code | DD | DD | DD | DD |
| Package Index | 05-08-1725 | 05-08-1725 | 05-08-1725 | 05-08-1725 |
| Pin Count | 12 | 12 | 12 | 12 |
参数化
| Parameters / Models | LT3682EDD#PBF | LT3682EDD#TRPBF | LT3682IDD#PBF | LT3682IDD#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1222A | DC1222A | DC1222A | DC1222A |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good |
| Frequency, kHz | 2200 | 2200 | 2200 | 2200 |
| Frequency Adjust Range | 250kHz - 2.2MHz | 250kHz - 2.2MHz | 250kHz - 2.2MHz | 250kHz - 2.2MHz |
| Frequency Sync Range | 300kHz - 2.2MHz | 300kHz - 2.2MHz | 300kHz - 2.2MHz | 300kHz - 2.2MHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 0.01 | 0.01 | 0.01 | 0.01 |
| Isupply, mA | 0.075 | 0.075 | 0.075 | 0.075 |
| Max Phases | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 1 | 1 | 1 | 1 |
| Over Voltage Protection, V | 60 | 60 | 60 | 60 |
| Polyphase | no | no | no | no |
| Switch Current, A | 1.7 | 1.7 | 1.7 | 1.7 |
| Synchronous | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 20 | 20 | 20 | 20 |
| Vout Maximum | 20V | 20V | 20V | 20V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 2 | 2 | 2 | 2 |
生态计划
| LT3682EDD#PBF | LT3682EDD#TRPBF | LT3682IDD#PBF | LT3682IDD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
设计须知
- ОјPower Buck Regulator Safely Rides Through Automotive Load Dumps &mdash DN475PDF, 133 Kb, 档案已发布: Dec 9, 2009从文件中提取
模型线
系列: LT3682 (4)
制造商分类
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck