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MAX1587AETL from MAX,MAXIM - Dallas Semiconductor

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MAX1587AETL

Manufacturer: MAX

High-Efficiency / Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones

Partnumber Manufacturer Quantity Availability
MAX1587AETL MAX 3164 In Stock

Description and Introduction

High-Efficiency / Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones The MAX1587AETL is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.8V to 5.5V  
- **Output Current:** Up to 300mA (at 3.3V output from a 1.8V input)  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 40-Pin TQFN (6mm x 6mm)  

### **Descriptions:**  
- The MAX1587AETL is designed for battery-powered applications requiring a regulated output voltage higher than the input supply.  
- It integrates a synchronous rectifier for improved efficiency and eliminates the need for an external Schottky diode.  
- The device supports low input voltages, making it suitable for single-cell or dual-cell battery applications.  

### **Features:**  
- **True Shutdown Mode:** Disconnects the load from the input when disabled.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Low Quiescent Current:** 20µA (typical) in shutdown mode.  
- **Internal Compensation:** Simplifies external component selection.  
- **Thermal Overload Protection:** Prevents damage due to excessive heat.  
- **PWM/PFM Mode Operation:** Optimizes efficiency across load conditions.  

This information is based on the manufacturer's datasheet for the MAX1587AETL.

Application Scenarios & Design Considerations

High-Efficiency / Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones

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