Datasheet Linear Technology LTC4121-4.2 — Ficha de datos
| Fabricante | Linear Technology | 
| Serie | LTC4121-4.2 | 
Cargador de batería reductor síncrono de 40V 400mA
Hojas de datos
Datasheet LTC4121, LTC4121-4.2
PDF, 383 Kb, Idioma: en, Archivo subido: sept 30, 2017, Páginas: 30
40V 400mA Synchronous Step-Down Battery Charger
40V 400mA Synchronous Step-Down Battery Charger
Extracto del documento
Embalaje
| LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 
| Package | 3x3 QFN-16 Dibujo del esquema del paquete | 3x3 QFN-16 Dibujo del esquema del paquete | 3x3 QFN-16 Dibujo del esquema del paquete | 3x3 QFN-16 Dibujo del esquema del paquete | 
| 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 | 
Paramétricos
| Parameters / Models | LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | 
|---|---|---|---|---|
| Battery Chemistry | Li-Ion, Li-Polymer | Li-Ion, Li-Polymer | Li-Ion, Li-Polymer | Li-Ion, Li-Polymer | 
| 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 | 4.2V | 4.2V | 4.2V | 4.2V | 
| Max Charge Current, A | 0.4 | 0.4 | 0.4 | 0.4 | 
| Number of Cells | 1 | 1 | 1 | 1 | 
| 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 | 
Plan ecológico
| LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | |
|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | 
Otras opciones
Linea modelo
Serie: LTC4121-4.2 (4)
Clasificación del fabricante
- Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers
- Power Management > Energy Harvesting