| Part Number | LM3420 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | The LM3420 series of controllers are monolithic integrated circuits designed for charging and end-of-charge control for Lithium-Ion rechargeable batteries. The LM3420 is available in five fixed voltag. n n n n n Voltage options for charging 1, 2, 3 or 4 cells Tiny SOT23-5 package Precision (0.5%) end-of-charge control Drive capability for external power stage Low quiescent current, 85 µA (typ.) Applications n Lithium-Ion battery charging n Suitable for linear and switching regulator charger desig. |
LM3420 Datasheet and Specifications PDF
The LM3420 is a Lithium-Ion Battery Charge Controller.
Key Specifications
| Package | SOT-23 |
|---|---|
| Mount Type | Surface Mount |
| Pins | 5 |
| Max Voltage (typical range) | 20 V |
| Height | 1.45 mm |
| Length | 2.9 mm |
| Width | 1.6 mm |
| Max Operating Temp | 85 °C |
| Part Number | LM3420 Datasheet |
|---|---|
| Description | 8.4-V Li-Ion Battery Charge Controller |
| Manufacturer | Texas Instruments |
| Overview |
The LM3420 series of controllers are monolithic integrated circuits designed for charging and end-ofcharge control for lithium-ion rechargeable batteries. The LM3420 is available in an 8.4-V version f.
*1 Input Voltage Range: up to 20 V * Voltage Options for Charging 1, 2, 3, or 4 Cells * Output Current up to 15 mA * Precision (0.5%) End-of-Charge Control * LM3420 ±1% * LM3420A ±0.5% * Drive Capability for External Power Stage * Temperature Drift Curvature Correction for Voltage Stability * Low Qu. |