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MAX1740EUB from MAXIM,MAXIM - Dallas Semiconductor

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MAX1740EUB

Manufacturer: MAXIM, MAX

SIM/Smart Card Level Translators in レMAX
Partnumber Manufacturer Quantity Availability
MAX1740EUB MAXIM, MAX 2022 In Stock

Description and Introduction

SIM/Smart Card Level Translators in レMAX The MAX1740EUB is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX® (3mm x 5mm)  

### **Descriptions:**  
The MAX1740EUB is a high-efficiency, step-down DC-DC converter designed for low-voltage applications. It integrates synchronous rectification to minimize external component count and improve efficiency. The device operates at a fixed 1MHz switching frequency, allowing the use of small inductors and capacitors. It is suitable for battery-powered devices, portable electronics, and point-of-load regulation.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and reduces external diode requirements.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable operation under heavy loads.  
- **Power-Saving Pulse-Frequency Modulation (PFM) Mode:** Enhances efficiency at light loads.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device under fault conditions.  
- **Low Quiescent Current:** Typically 40µA in shutdown mode.  

The MAX1740EUB is optimized for space-constrained applications requiring high efficiency and compact design.  

*(Note: Always refer to the official datasheet for precise details.)*

Application Scenarios & Design Considerations

SIM/Smart Card Level Translators in レMAX

Alternative Part Number

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  • TPS2113A --: Automatic power-path switch with similar voltage range and low quiescent current, suitable as a functional replacement.
  • FSA2270 --: Low-voltage analog switch/multiplexer offering similar signal routing function in a compact package.
  • TPS61020DRB --: Boost converter in a small SON package with comparable input voltage range and current capability, suitable as a functional substitute.
  • LT1935ES5 --: Compact step-up DC-DC converter with similar switching frequency and output current, widely used as a cross for MAX boost regulators.
  • NCP1402SN33T1 --: Low-power boost converter with fixed 3.3V output and small SOT-23 package, usable in similar low-current step-up applications.
  • TPS61020DRCR --: Boost converter in the same small package class with comparable input/output voltage range and current capability, widely available and pin-compatible in function.
  • LT1932ES6 --: Constant-current boost LED driver with similar topology and electrical ratings, suitable as a functional substitute in many designs.
  • AP3015AKTR-G1 --: Low-cost boost converter with comparable switching frequency and voltage ratings, offering a practical drop-in functional alternative.

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