| PartNumber | LTC4121IUD#PBF | LTC4121IUD-4.2#PBF | LTC4121IUD#TRPBF |
| Description | Battery Management 40V 400mA Sync Buck Bat Chr | Battery Management 40V 400mA Sync Buck Bat Chr | Battery Management 40V 400mA Sync Buck Bat Chr |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Battery Management | Battery Management | Battery Management |
| RoHS | Y | Y | Y |
| Product | Battery Protection | Battery Protection | Battery Protection |
| Battery Type | Lead Acid, LiFePO4, Li-Ion, Li-Polymer | Li-Ion, Li-Polymer | Lead Acid, LiFePO4, Li-Ion, Li-Polymer |
| Operating Supply Voltage | 40 V | 40 V | 40 V |
| Package / Case | QFN-16 | QFN-16 | QFN-16 |
| Packaging | Tube | Tube | Reel |
| Series | LTC4121 | LTC4121 | LTC4121 |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Development Kit | DC1977A-A, DC1977A-B | DC1977A-A, DC1977A-B | DC1977A-A, DC1977A-B |
| Product Type | Battery Management | Battery Management | Battery Management |
| Factory Pack Quantity | 121 | 121 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |