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MAX1586AETM from MAXIM,MAXIM - Dallas Semiconductor

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MAX1586AETM

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1586AETM MAXIM, MAX 981 In Stock

Description and Introduction

High-Efficiency / Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones The MAX1586AETM 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 data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1586AETM  
- **Package:** 48-Pin TQFN (7x7mm)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (varies by regulator)  
- **Number of Outputs:**  
  - **Buck Regulators:** 3 (step-down converters)  
  - **LDO Regulators:** 2 (low-dropout linear regulators)  
- **Switching Frequency:** Up to 1MHz (buck regulators)  
- **Efficiency:** Up to 95% (buck regulators)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1586AETM is a highly integrated PMIC designed for portable applications, providing multiple regulated power rails. It includes three step-down (buck) DC-DC converters and two low-dropout (LDO) linear regulators, making it suitable for powering processors, memory, and peripherals in battery-powered devices.  

### **Features:**  
- **Three Synchronous Buck Regulators:**  
  - High efficiency (up to 95%)  
  - Adjustable output voltages  
  - 1MHz switching frequency  
- **Two LDO Regulators:**  
  - Low dropout voltage  
  - Stable with ceramic capacitors  
- **Power Sequencing Control:** Ensures proper startup/shutdown of voltage rails.  
- **Dynamic Voltage Scaling (DVS):** Allows real-time adjustment of output voltages.  
- **Low Quiescent Current:** Optimized for battery-powered applications.  
- **Thermal Shutdown & Overcurrent Protection:** Built-in safety features.  

For detailed electrical characteristics, refer to the official **Maxim Integrated datasheet**.  

*(Note: Always verify specifications with the latest datasheet from Analog Devices, as Maxim is now part of ADI.)*

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS65217CRSLR --: Integrated power management IC with multiple buck converters and LDOs, functionally similar to the MAX1586A power management IC and widely available.
  • LTC3589EUJ --: Multi-rail power management IC with buck and LDO outputs, suitable as a functional replacement for the MAX1586A in portable applications.
  • DA9063-A --: Configurable system power management IC with multiple regulators, offering comparable multi-rail power management functionality.
  • ISL6420AIRZ --: Multi-output power management IC with similar buck and LDO rails, suitable as a functional substitute in display power applications.
  • TPS65130RGER --: Dual-output boost/converter PMIC offering comparable positive and negative rails for LCD bias and similar loads.
  • LT1945EMS --: Dual-channel switching regulator providing positive and negative outputs, usable as an alternative where MAX1586A rails are required.

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