Datasheet Linear Technology LTC4121 — 数据表
| 制造商 | Linear Technology |
| 系列 | LTC4121 |
40V 400mA同步降压电池充电器
数据表
Datasheet LTC4121, LTC4121-4.2
PDF, 383 Kb, 语言: en, 文件上传: Sep 30, 2017, 页数: 30
40V 400mA Synchronous Step-Down Battery Charger
40V 400mA Synchronous Step-Down Battery Charger
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| LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 3x3 QFN-16 包装外形图 | 3x3 QFN-16 包装外形图 | 3x3 QFN-16 包装外形图 | 3x3 QFN-16 包装外形图 |
| Package Code | UD | UD | UD | UD |
| Package Index | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 |
| Pin Count | 16 | 16 | 16 | 16 |
参数化
| Parameters / Models | LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF |
|---|---|---|---|---|
| Battery Chemistry | Li-Ion, Li-Polymer, LiFePO4, Lead Acid | Li-Ion, Li-Polymer, LiFePO4, Lead Acid | Li-Ion, Li-Polymer, LiFePO4, Lead Acid | Li-Ion, Li-Polymer, LiFePO4, Lead Acid |
| Buck Output Current, A | 400mA | 400mA | 400mA | 400mA |
| Charge Termination | Timer | Timer | Timer | Timer |
| Demo Boards | DC1977A-A,DC1977A-B | DC1977A-A,DC1977A-B | DC1977A-A,DC1977A-B | DC1977A-A,DC1977A-B |
| Export Control | no | no | no | no |
| Features | Maximum Power Point Tracking (Sampled Voc) | Maximum Power Point Tracking (Sampled Voc) | Maximum Power Point Tracking (Sampled Voc) | Maximum Power Point Tracking (Sampled Voc) |
| Float Voltage, V | Up to 18V | Up to 18V | Up to 18V | Up to 18V |
| Max Charge Current, A | 0.4 | 0.4 | 0.4 | 0.4 |
| Number of Cells | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Type of Charger | Switching | Switching | Switching | Switching |
| Vin Max, V | 40 | 40 | 40 | 40 |
| Vin Min, V | 4.4 | 4.4 | 4.4 | 4.4 |
生态计划
| LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
其他选择
模型线
系列: LTC4121 (4)
制造商分类
- Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers
- Power Management > Energy Harvesting