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MAX1531ETJ+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1531ETJ+

Manufacturer: MAXIM, MAX

Multiple-Output Power-Supply Controllers for LCD Monitors

Partnumber Manufacturer Quantity Availability
MAX1531ETJ+,MAX1531ETJ MAXIM, MAX 965 In Stock

Description and Introduction

Multiple-Output Power-Supply Controllers for LCD Monitors The MAX1531ETJ+ is a power management IC (PMIC) manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1531ETJ+  
- **Package:** 32-TQFN (5x5)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Programmable (via external resistors)  
- **Number of Outputs:** 1  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Current Limit:** Adjustable  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Descriptions:**  
The **MAX1531ETJ+** is a high-efficiency, step-down (buck) DC-DC converter designed for applications requiring high input voltage and precise output regulation. It integrates a power MOSFET and supports synchronous rectification for improved efficiency. The device is suitable for industrial, automotive, and telecom applications where stable power conversion is critical.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)** – Supports various power sources.  
- **Adjustable Output Voltage** – Configurable via external resistors.  
- **High Efficiency (Up to 95%)** – Reduces power loss with synchronous rectification.  
- **Adjustable Switching Frequency (300kHz to 1MHz)** – Optimizes performance for different applications.  
- **Integrated Power MOSFET** – Simplifies design and reduces external components.  
- **Programmable Soft-Start** – Prevents inrush current at startup.  
- **Protection Features** – Includes overcurrent, overtemperature, and UVLO.  
- **Compact 32-TQFN Package** – Space-efficient for high-density PCB layouts.  

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

Application Scenarios & Design Considerations

Multiple-Output Power-Supply Controllers for LCD Monitors

Alternative Part Number

  • TPS61130PW --: Multi-channel TFT-LCD bias power supply with integrated boost and charge pumps, functionally similar to the MAX1531 for LCD panel bias applications.
  • LT1945EMS --: Dual boost/inverting DC-DC converter suitable for LCD bias generation, offering comparable multi-output regulation in a small package.
  • RT4801WSC --: LCD bias power management IC with positive and negative outputs, a practical alternative for panel bias supply designs.
  • LT1940EFE --: Dual-channel step-up/step-down converter offering comparable multi-rail LCD bias supply capability with robust performance.
  • ISL98611IIZ --: Highly integrated LCD bias power management IC providing positive and negative rails similar to the MAX1531 function.

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