Lithium-Ion Battery Charge Controller The LM3420AM516.8 is a switching regulator controller manufactured by National Semiconductor (NS). Below are the factual details about this part:
### **Specifications:**
- **Manufacturer:** National Semiconductor (NS)
- **Type:** Switching Regulator Controller
- **Function:** Designed for controlling switching regulators in various power supply applications.
- **Package:** Likely comes in a surface-mount package (specific package type not provided in Ic-phoenix technical data files).
- **Input Voltage Range:** Not explicitly stated in Ic-phoenix technical data files.
- **Output Voltage:** Adjustable based on external components.
- **Switching Frequency:** Not specified in Ic-phoenix technical data files.
- **Operating Temperature Range:** Not explicitly mentioned.
- **Protection Features:** May include overcurrent, overvoltage, or thermal shutdown (exact features not detailed in Ic-phoenix technical data files).
### **Descriptions:**
- The LM3420AM516.8 is a controller IC used in DC-DC converter circuits.
- It is optimized for driving external power switches (such as MOSFETs) in step-up (boost), step-down (buck), or other switching regulator topologies.
- The device is designed for efficiency and stability in power management applications.
### **Features:**
- **High Efficiency:** Optimized for power conversion with minimal losses.
- **Adjustable Output:** Allows flexibility in setting the desired output voltage using external resistors or feedback networks.
- **External Drive Capability:** Supports driving external power switches (e.g., MOSFETs).
- **Compact Design:** Suitable for space-constrained applications (exact dimensions not specified).
- **Wide Application Range:** Used in power supplies, battery chargers, LED drivers, and other DC-DC conversion systems.
For exact electrical characteristics, package details, and application circuits, refer to the official datasheet from National Semiconductor (now part of Texas Instruments).
