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LM3243TMX/NOPB from NS,National Semiconductor

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LM3243TMX/NOPB

Manufacturer: NS

2.7MHz, 2.5A Step-Down DC-DC Converter with Analog Bypass Mode for 2G/3G/4G PAs 16-DSBGA -30 to 90

Partnumber Manufacturer Quantity Availability
LM3243TMX/NOPB,LM3243TMXNOPB NS 2500 In Stock

Description and Introduction

2.7MHz, 2.5A Step-Down DC-DC Converter with Analog Bypass Mode for 2G/3G/4G PAs 16-DSBGA -30 to 90 The LM3243TMX/NOPB is a power management integrated circuit (PMIC) manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (NS)  
- **Part Number:** LM3243TMX/NOPB  
- **Type:** Power Management IC (PMIC)  
- **Package:** 20-Pin WQFN  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable (supports multiple outputs)  
- **Switching Frequency:** Up to 2.25MHz  
- **Number of Outputs:** 3 (Buck Regulators)  
- **Efficiency:** High efficiency with integrated synchronous rectification  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Integrated power switches  
  - I²C-compatible interface for dynamic voltage scaling  
  - Low quiescent current  
  - Overcurrent and thermal protection  

### **Descriptions:**  
The LM3243TMX/NOPB is a highly efficient, multi-output power management IC designed for portable applications. It integrates three step-down (buck) DC-DC converters with synchronous rectification, providing power-efficient voltage regulation. The device supports dynamic voltage scaling via an I²C interface, making it suitable for processors and system-on-chips (SoCs) requiring adaptive power control.  

### **Features:**  
- **Integrated Power Switches:** Reduces external component count.  
- **I²C Control:** Enables dynamic voltage scaling and power sequencing.  
- **High Efficiency:** Optimized for battery-powered applications.  
- **Protection Features:** Overcurrent and thermal shutdown protection.  
- **Compact Package:** 20-pin WQFN for space-constrained designs.  

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

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