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MAX1649ESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1649ESA+

Manufacturer: MAXIM

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controller

Partnumber Manufacturer Quantity Availability
MAX1649ESA+,MAX1649ESA MAXIM 3000 In Stock

Description and Introduction

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controller **Manufacturer:** MAXIM (now part of Analog Devices)  

**Part Number:** MAX1649ESA+  

### **Specifications:**  
- **Package:** 8-SOIC (150mil)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 16V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 90%  
- **Features:**  
  - Step-down (buck) DC-DC converter  
  - Low-dropout operation  
  - Internal power MOSFET switch  
  - Soft-start capability  
  - Overcurrent and thermal protection  

### **Descriptions:**  
The MAX1649ESA+ is a step-down DC-DC converter designed for efficient power conversion in applications requiring a regulated output voltage from a higher input supply. It integrates a power MOSFET switch, reducing external component count.  

### **Features:**  
- Adjustable output voltage  
- High efficiency (up to 90%)  
- Low quiescent current (100µA typical)  
- Internal soft-start for controlled startup  
- Overcurrent and thermal shutdown protection  
- Compact 8-SOIC package  

This IC is suitable for battery-powered systems, portable devices, and industrial applications requiring stable power conversion.

Partnumber Manufacturer Quantity Availability
MAX1649ESA+,MAX1649ESA MAX 289 In Stock

Description and Introduction

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controller The MAX1649ESA+ is a DC-DC converter IC manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 1.8V to 16.5V  
- **Output Voltage Range:** Adjustable (up to 28V)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Features:**  
  - Low quiescent current (100µA typical)  
  - Internal power MOSFET  
  - Adjustable output voltage  
  - Soft-start capability  
  - Overcurrent protection  

### **Descriptions and Features:**  
The MAX1649ESA+ is a high-efficiency, step-up DC-DC converter designed for battery-powered applications. It integrates a power MOSFET, reducing external component count. The adjustable output voltage allows flexibility in various power supply designs. Its low quiescent current makes it suitable for portable devices, while the 500kHz switching frequency enables compact inductor and capacitor selection.  

Key features include:  
- **Wide Input Voltage Range:** Supports battery-powered systems with varying input levels.  
- **High Efficiency:** Minimizes power loss in battery-operated applications.  
- **Integrated MOSFET:** Simplifies circuit design.  
- **Adjustable Output:** Configurable for different voltage requirements.  
- **Protection Features:** Includes overcurrent and thermal shutdown protection.  

This IC is commonly used in portable electronics, medical devices, and industrial applications requiring efficient power conversion.  

(Note: All information is based on the manufacturer's datasheet.)

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