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MAX8640ZELT12+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8640ZELT12+

Manufacturer: MAXIM

Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX8640ZELT12+ MAXIM 1137 In Stock

Description and Introduction

Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters The MAX8640ZELT12+ is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX8640ZELT12+  
- **Type:** Step-Down DC-DC Converter  
- **Output Voltage:** 1.2V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 6-Pin TDFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX8640ZELT12+ is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates synchronous rectification to minimize power loss and supports a fixed 1.2V output with a maximum load current of 1A. The device operates from an input voltage range of 2.5V to 5.5V, making it suitable for battery-powered and portable electronics.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Quiescent Current:** 25µA (typical) in shutdown mode.  
- **PWM/PFM Mode:** Automatically switches between PWM and PFM for improved efficiency at light loads.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Compact Package:** 6-Pin TDFN (3mm x 3mm) for space-constrained applications.  

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

Application Scenarios & Design Considerations

Tiny 500mA, 4MHz/2MHz Synchronous Step-Down DC-DC Converters

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