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LM3420AM5X-8.2 from NAS

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LM3420AM5X-8.2

Manufacturer: NAS, NS, NS国半

Lithium-Ion Battery Charge Controller

Partnumber Manufacturer Quantity Availability
LM3420AM5X-8.2,LM3420AM5X82 NAS, NS, NS国半 11000 In Stock

Description and Introduction

Lithium-Ion Battery Charge Controller The LM3420AM5X-8.2 is a precision shunt regulator manufactured by National Semiconductor (NS国半). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NS国半)  
- **Part Number:** LM3420AM5X-8.2  
- **Type:** Precision Shunt Regulator  
- **Output Voltage:** 8.2V (fixed)  
- **Tolerance:** ±1% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5 (Miniature Surface-Mount)  
- **Reference Voltage:** 1.24V (internal)  
- **Supply Current (Iq):** 60µA (typical)  
- **Maximum Input Voltage:** 30V  
- **Sink Current Capability:** Up to 20mA  

### **Descriptions:**
The LM3420AM5X-8.2 is a precision shunt regulator designed to provide a stable 8.2V reference voltage. It is commonly used in voltage regulation, voltage monitoring, and feedback control applications. The device features low supply current and high accuracy, making it suitable for battery-powered and precision circuits.

### **Features:**
- **Fixed 8.2V Output:** Precision-trimmed for high accuracy.  
- **Low Operating Current:** Consumes only 60µA (typical).  
- **Wide Input Voltage Range:** Supports up to 30V.  
- **Stable Performance:** Low output drift over temperature.  
- **Miniature Package:** SOT-23-5 for space-constrained designs.  
- **High Output Accuracy:** ±1% tolerance ensures reliable performance.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Lithium-Ion Battery Charge Controller

Alternative Part Number

  • MAX16052AUT+T --: Battery charge controller IC in SOT-23-6 with similar 8.2V regulation function; different series naming makes it easy to distinguish from the source part.
  • BQ2002ESN --: Widely available battery charge controller in SOIC-8 offering comparable charge management functionality for 8.2V battery packs.
  • LTC4060EDHC#PBF --: Standalone NiMH/NiCd fast battery charger IC with adjustable charge control, suitable as a functional substitute in similar charging applications.
  • MAX1811ESA --: Single-cell Li+ battery charger controller in a similar small package, suitable as a functional substitute for battery charging applications.
  • MCP73831T-2ACI/OT --: Compact Li-ion/Li-poly charge management controller with comparable charging function and easy sourcing.
  • BQ2002T --: Lithium-ion battery charge controller IC from TI (which acquired National Semiconductor), functionally similar charge management role.
  • LTC4054ES5-4.2 --: Standalone Li-ion linear battery charger IC, suitable replacement for small-package battery charge control applications.

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