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MAX1920EUT from MAXIM,MAXIM - Dallas Semiconductor

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MAX1920EUT

Manufacturer: MAXIM

Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23

Partnumber Manufacturer Quantity Availability
MAX1920EUT MAXIM 3000 In Stock

Description and Introduction

Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23 The MAX1920EUT is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Package:** 6-pin SOT23  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 30µA (typical)  

### **Descriptions:**
The MAX1920EUT is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates a synchronous rectifier to minimize external components and improve efficiency. The device operates at a fixed 1.2MHz switching frequency, allowing the use of small inductors and capacitors. It features a low-dropout mode for extended battery life in portable devices.

### **Features:**
- **Synchronous Rectification:** Improves efficiency and reduces external component count.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage approaches the output voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable operation under varying load conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device under fault conditions.  
- **Small Footprint:** 6-pin SOT23 package saves board space.  

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

Application Scenarios & Design Considerations

Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23

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