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MAX8581ETB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8581ETB+T

Manufacturer: MAXIM

2.5MHz/1.5MHz Step-Down Converters with 60mΩ Bypass in TDFN for CDMA PA Power

Partnumber Manufacturer Quantity Availability
MAX8581ETB+T MAXIM 108 In Stock

Description and Introduction

2.5MHz/1.5MHz Step-Down Converters with 60mΩ Bypass in TDFN for CDMA PA Power The MAX8581ETB+T is a power management IC (PMIC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX8581ETB+T  
- **Package:** 10-WLP (1.63x1.63mm)  
- **Operating Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Number of Outputs:** 1  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX8581ETB+T is a high-efficiency, step-down DC-DC converter designed for portable and battery-powered applications. It integrates a synchronous rectifier to minimize external components and improve efficiency. The device operates at a fixed switching frequency of 1MHz, allowing for small external inductors and capacitors.

### **Features:**
- **High Efficiency (up to 95%)** – Optimized for battery life in portable devices.  
- **Low Quiescent Current (30µA typical)** – Enhances power savings in standby mode.  
- **Synchronous Rectification** – Reduces power dissipation and improves efficiency.  
- **Adjustable Output Voltage** – Configurable via external resistors.  
- **1MHz Fixed Switching Frequency** – Enables compact external components.  
- **Soft-Start Function** – Reduces inrush current during startup.  
- **Thermal Shutdown Protection** – Prevents overheating damage.  
- **Undervoltage Lockout (UVLO)** – Ensures proper operation within voltage range.  
- **Tiny 10-WLP Package** – Ideal for space-constrained applications.  

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

Application Scenarios & Design Considerations

2.5MHz/1.5MHz Step-Down Converters with 60mΩ Bypass in TDFN for CDMA PA Power

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