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MAX1989MUE from MAXIM,MAXIM - Dallas Semiconductor

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MAX1989MUE

Manufacturer: MAXIM

Multichannel Remote/Local Temperature Sensors

Partnumber Manufacturer Quantity Availability
MAX1989MUE MAXIM 80 In Stock

Description and Introduction

Multichannel Remote/Local Temperature Sensors The MAX1989MUE 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:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin TSSOP (MAX1989MUE)  

### **Descriptions:**
The MAX1989MUE is a synchronous step-down DC-DC converter optimized for high efficiency and compact designs. It integrates both high-side and low-side MOSFETs, reducing external component count. The device is suitable for battery-powered applications, portable electronics, and point-of-load regulation.

### **Features:**
- **High Efficiency:** Up to 95% efficiency with integrated synchronous rectification.  
- **Low Quiescent Current:** 25µA (typical) in shutdown mode.  
- **PWM/PFM Mode Operation:** Automatically switches for optimal efficiency.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Small Footprint:** 16-pin TSSOP package for space-constrained applications.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Multichannel Remote/Local Temperature Sensors
Partnumber Manufacturer Quantity Availability
MAX1989MUE MAX 80 In Stock

Description and Introduction

Multichannel Remote/Local Temperature Sensors The MAX1989MUE is a highly integrated power-management IC (PMIC) designed by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- Maxim Integrated (now part of Analog Devices)  

### **Part Number:**  
- MAX1989MUE  

### **Description:**  
The MAX1989MUE is a power-management IC optimized for portable applications, providing multiple regulated power supplies in a single package. It integrates multiple DC-DC converters and LDOs (Low-Dropout Regulators) to power processors, memory, and peripherals in battery-powered devices.  

### **Key Features:**  
1. **Multiple DC-DC Converters:**  
   - Includes step-down (buck) converters for efficient power conversion.  
   - Adjustable and fixed output voltage options.  

2. **LDO Regulators:**  
   - Integrated low-dropout linear regulators for noise-sensitive circuits.  

3. **Wide Input Voltage Range:**  
   - Supports input voltages typically from **2.7V to 5.5V**, making it suitable for Li-ion battery-powered systems.  

4. **High Efficiency:**  
   - Utilizes synchronous rectification in DC-DC converters to improve efficiency.  

5. **Power Sequencing Control:**  
   - Built-in sequencing for controlled power-up and power-down of multiple rails.  

6. **Low Quiescent Current:**  
   - Optimized for battery life in portable applications.  

7. **Protection Features:**  
   - Overcurrent protection (OCP)  
   - Thermal shutdown  

8. **Package:**  
   - **16-pin TSSOP (MAX1989MUE)**  

9. **Applications:**  
   - Smartphones, tablets, and portable media players  
   - Handheld computing devices  
   - Battery-powered embedded systems  

For exact electrical characteristics, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

Application Scenarios & Design Considerations

Multichannel Remote/Local Temperature Sensors

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