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MAX1722EZK+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1722EZK+T

Manufacturer: MAXIM

1.5µA IQ, Step-Up DC-DC Converters in TSOT and µDFN

Partnumber Manufacturer Quantity Availability
MAX1722EZK+T MAXIM 1000 In Stock

Description and Introduction

1.5µA IQ, Step-Up DC-DC Converters in TSOT and µDFN The MAX1722EZK+T is a step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 150mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT23-5  

### **Descriptions:**  
The MAX1722EZK+T is a high-efficiency, step-down DC-DC converter optimized for low-power applications. It integrates a synchronous rectifier for improved efficiency and operates at a fixed switching frequency of 1.2MHz, allowing the use of small external components.  

### **Features:**  
- **Low Quiescent Current:** 20µA (typical)  
- **Pulse-Width Modulation (PWM) Operation**  
- **100% Duty Cycle for Low Dropout**  
- **Internal Soft-Start**  
- **Overcurrent Protection**  
- **Thermal Shutdown Protection**  
- **Small Footprint (SOT23-5 Package)**  

This device is commonly used in battery-powered applications, portable electronics, and low-power embedded systems.

Application Scenarios & Design Considerations

1.5µA IQ, Step-Up DC-DC Converters in TSOT and µDFN

Alternative Part Number

  • TPS61220DCKR --: Boost converter in the same low-power class with similar input voltage range and output current, available in a small SC-70 package; a common drop-in functional substitute.
  • LTC3525ESC6-3.3 --: Low-voltage synchronous boost converter with comparable switching frequency and compact SC-70 footprint, suitable for battery-powered portable designs.
  • NCP1402SN33T1G --: Micropower boost converter with fixed 3.3V output and low quiescent current, offering similar functionality for space-constrained step-up applications.

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