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MAX1921EUT18+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1921EUT18+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1921EUT18+T,MAX1921EUT18T MAXIM 1330 In Stock

Description and Introduction

Low-Voltage, 400mA Step-Down DC-DC Converters in SOT23 The **MAX1921EUT18+T** is a voltage regulator manufactured by **MAXIM**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** MAXIM  
- **Part Number:** MAX1921EUT18+T  
- **Package:** SOT-23-6  
- **Output Voltage:** 1.8V (fixed)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Quiescent Current:** 50µA (typical)  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1921EUT18+T is a **low-dropout (LDO) linear regulator** designed for applications requiring a stable 1.8V output. It features high efficiency, low quiescent current, and a small form factor, making it suitable for portable and battery-powered devices.  

### **Features:**  
- **Low Dropout Voltage:** 120mV (typical at 100mA)  
- **Low Quiescent Current:** 50µA (typical)  
- **High Output Accuracy:** ±2% over line, load, and temperature  
- **Thermal and Short-Circuit Protection**  
- **Stable with Low-ESR Ceramic Capacitors**  
- **Small SOT-23-6 Package**  

This information is strictly factual and based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS62203DBVR --: Pin-compatible step-down converter in SOT-23-6 with similar 1.8V fixed output and low quiescent current, widely available and cost-effective.
  • AP3211KTR-G1 --: Synchronous buck regulator in SOT-23-6 offering comparable input range and 1.8V output capability, good second-source option.
  • RT8059GJ5 --: Compact 1.5A step-down converter in TSOT-23-5 with adjustable output that can be set to 1.8V, suitable functional replacement.

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