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MAX1589EZT180-T from MAX,MAXIM - Dallas Semiconductor

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MAX1589EZT180-T

Manufacturer: MAX

Low-input-voltage, 500mA LDO regulator with RESET, out=1.8V

Partnumber Manufacturer Quantity Availability
MAX1589EZT180-T,MAX1589EZT180T MAX 635 In Stock

Description and Introduction

Low-input-voltage, 500mA LDO regulator with RESET, out=1.8V The MAX1589EZT180-T is a high-efficiency, 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:** 1.8V (fixed)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typ)  
- **Efficiency:** Up to 95%  
- **Package:** 6-pin TDFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Quiescent Current:** 30µA (typ)  

### **Descriptions & Features:**  
- High-efficiency, synchronous step-down DC-DC converter.  
- Fixed output voltage of 1.8V.  
- Integrated power MOSFETs for compact design.  
- Low dropout operation for extended battery life.  
- Pulse-width modulation (PWM) mode for high efficiency.  
- Overcurrent and thermal protection.  
- Small footprint, suitable for space-constrained applications.  

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

Application Scenarios & Design Considerations

Low-input-voltage, 500mA LDO regulator with RESET, out=1.8V
Partnumber Manufacturer Quantity Availability
MAX1589EZT180-T,MAX1589EZT180T MAXIM 2167 In Stock

Description and Introduction

Low-input-voltage, 500mA LDO regulator with RESET, out=1.8V The MAX1589EZT180-T 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:

### **Specifications:**
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage:** 1.8V (fixed)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 6-pin TDFN (Thin Dual Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Dropout Voltage:** 100mV (typical at 300mA load)  

### **Descriptions:**
- The MAX1589EZT180-T is a synchronous step-down DC-DC converter optimized for portable applications.  
- It integrates both high-side and low-side MOSFETs for improved efficiency.  
- The device operates in pulse-width modulation (PWM) mode for stable output under varying loads.  

### **Features:**
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Prevents damage under fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Small Footprint:** 6-pin TDFN package (2mm x 2mm) for space-constrained designs.  

This device is commonly used in battery-powered applications such as smartphones, portable media players, and handheld devices.

Application Scenarios & Design Considerations

Low-input-voltage, 500mA LDO regulator with RESET, out=1.8V

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