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MAX1935ETA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1935ETA+

Manufacturer: MAXIM

500mA, Low-Voltage Linear Regulator in Tiny QFN

Partnumber Manufacturer Quantity Availability
MAX1935ETA+,MAX1935ETA MAXIM 2384 In Stock

Description and Introduction

500mA, Low-Voltage Linear Regulator in Tiny QFN The MAX1935ETA+ is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Regulation Type:** PWM (Pulse-Width Modulation)  
- **Protection Features:** Overcurrent and thermal shutdown  

### **Descriptions:**  
The MAX1935ETA+ is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates in **PWM mode** for stable output under varying loads.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency for extended battery life.  
- **Integrated MOSFETs:** Eliminates the need for external switches.  
- **Adjustable Output:** Set via an external resistor divider.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown & Overcurrent Protection:** Safeguards against faults.  
- **Compact Package:** 8-pin TDFN for space-constrained applications.  

This information is strictly based on the manufacturer's datasheet for the MAX1935ETA+. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

500mA, Low-Voltage Linear Regulator in Tiny QFN

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