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MAX1989MEE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1989MEE+

Manufacturer: MAXIM

Multichannel Remote/Local Temperature Sensors

Partnumber Manufacturer Quantity Availability
MAX1989MEE+,MAX1989MEE MAXIM 203 In Stock

Description and Introduction

Multichannel Remote/Local Temperature Sensors The MAX1989MEE+ is a product from Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX1989MEE+  
- **Package:** 16-QSOP  
- **Type:** Power Management IC  
- **Function:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** Adjustable (0.8V to 18V)  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX1989MEE+ is a high-efficiency, step-down DC-DC converter designed for applications requiring a wide input voltage range and adjustable output voltage. It integrates a synchronous rectifier for improved efficiency and is suitable for powering processors, FPGAs, and other low-voltage systems.

### **Features:**
- **Wide Input Voltage Range (4.5V to 23V)**  
- **Adjustable Output Voltage (0.8V to 18V)**  
- **High Efficiency (Up to 95%)**  
- **Integrated Synchronous Rectifier**  
- **500kHz Switching Frequency**  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation**  
- **Soft-Start Function**  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Multichannel Remote/Local Temperature Sensors
Partnumber Manufacturer Quantity Availability
MAX1989MEE+,MAX1989MEE MAX 19 In Stock

Description and Introduction

Multichannel Remote/Local Temperature Sensors The MAX1989MEE+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Package:** 16-pin QSOP (QSOP-16)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1989MEE+ is a synchronous step-down DC-DC converter optimized for high efficiency and compact design. It integrates low RDS(ON) MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for battery-powered applications.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **PWM/PFM Mode Switching:** Improves efficiency at light loads.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Adjustable Output Voltage:** Set via external resistors.  

This device is commonly used in portable electronics, PDAs, and other low-power embedded systems.

Application Scenarios & Design Considerations

Multichannel Remote/Local Temperature Sensors

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