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MAX1587CETL from MAXIM,MAXIM - Dallas Semiconductor

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MAX1587CETL

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1587CETL MAXIM, MAX 3590 In Stock

Description and Introduction

High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones The MAX1587CETL is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.2A  
- **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 MAX1587CETL is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs. It integrates low-resistance MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for battery-powered applications. The device features pulse-width modulation (PWM) operation and includes internal compensation for simplified design.  

### **Features:**  
- High-efficiency synchronous rectification  
- Adjustable output voltage (0.8V to VIN)  
- 1MHz fixed-frequency PWM operation  
- Low quiescent current (40µA typical)  
- Internal soft-start for controlled inrush current  
- Overcurrent and thermal protection  
- Power-good output monitor  
- Small 40-pin TQFN package  

This information is sourced from Maxim Integrated's official documentation. For detailed application notes, refer to the datasheet.

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 MAX1587 power-management device and widely available.
  • LP3907TLX-JJCP --: Multi-channel PMIC with buck and LDO regulators, suitable as a functional substitute for MAX1587 power-management applications.
  • DA9063L --: Configurable multi-rail PMIC offering comparable power-management functionality and an alternative sourcing option.
  • TPS65130RGER --: Multi-output power management IC for LCD panels with similar boost and charge-pump rails; widely available and functionally comparable to the MAX1587.
  • LT3580EMS8E --: Versatile boost/inverting DC-DC converter that can implement comparable supply rails; strong alternative when the exact MAX1587 function is not required.
  • RT8511BGQW --: Integrated LCD bias power management IC offering multiple regulated outputs; cost-effective alternative for display power applications.

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