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MAX1976EZT180+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1976EZT180+T

Manufacturer: MAXIM

1.80 V, low-input-voltage, 300 mA LDO regulator with RESET

Partnumber Manufacturer Quantity Availability
MAX1976EZT180+T,MAX1976EZT180T MAXIM 5506 In Stock

Description and Introduction

1.80 V, low-input-voltage, 300 mA LDO regulator with RESET The MAX1976EZT180+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:** Fixed 1.8V (adjustable versions available in the MAX1976 series)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 6-pin TDFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Dropout Voltage:** 100mV (typical at 300mA load)  

### **Descriptions:**
The MAX1976EZT180+T is a synchronous step-down DC-DC converter optimized for high efficiency and compact size. It integrates both high-side and low-side MOSFETs, reducing external component count. The fixed 1.8V output makes it suitable for low-voltage applications such as portable devices, IoT, and embedded systems.

### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **PWM/PFM Mode:** Automatically switches between pulse-width modulation (PWM) and pulse-frequency modulation (PFM) for improved efficiency at light loads.  
- **Internal Compensation:** Simplifies design and reduces external components.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Short-Circuit Protection:** Enhances reliability in fault conditions.  

This device is ideal for battery-powered applications requiring high efficiency and a small footprint.

Application Scenarios & Design Considerations

1.80 V, low-input-voltage, 300 mA LDO regulator with RESET

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