Datasheet Analog Devices LTC4121
| Manufacturer | Analog Devices |
| Series | LTC4121 |
40V 400mA Synchronous Step-Down Battery Charger
Datasheets
Datasheet LTC4121, LTC4121-4.2
PDF, 383 Kb, Language: en, File uploaded: Sep 30, 2017, Pages: 30
40V 400mA Synchronous Step-Down Battery Charger
40V 400mA Synchronous Step-Down Battery Charger
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Prices
Status
| LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Packaging
| LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) | 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) |
| Pins | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Code | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 | 05-08-1691 |
Parametrics
| Parameters / Models | LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF |
|---|---|---|---|---|---|---|---|---|
| Battery Chemistry | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer |
| Charge Termination | Timer | Timer | Timer | Timer | Timer | Timer | Timer | Timer |
| Float Voltage, V | Up to 18V | Up to 18V | Up to 18V | Up to 18V | Up to 18V | Up to 18V | Up to 18V | Up to 18V |
| Max Charge Current(typ), A | 400m | 400m | 400m | 400m | 400m | 400m | 400m | 400m |
| Monolithic | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Number of Cells | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage | Up to 18V Battery Voltage |
| Operating Temperature Range, °C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Vin(max), V | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Vin(min), V | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
Eco Plan
| LTC4121EUD#PBF | LTC4121EUD#TRPBF | LTC4121EUD-4.2#PBF | LTC4121EUD-4.2#TRPBF | LTC4121IUD#PBF | LTC4121IUD#TRPBF | LTC4121IUD-4.2#PBF | LTC4121IUD-4.2#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Other Options
Model Line
Series: LTC4121 (8)
Manufacturer's Classification
- Power Management > Energy Harvesting | Switching Battery Chargers
