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MAX8890ETCDDD from MAXIM,MAXIM - Dallas Semiconductor

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MAX8890ETCDDD

Manufacturer: MAXIM

2.9 V, integrated cellular RF-section power-management IC

Partnumber Manufacturer Quantity Availability
MAX8890ETCDDD MAXIM 2500 In Stock

Description and Introduction

2.9 V, integrated cellular RF-section power-management IC The MAX8890ETCDDD is a 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 0.6V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TDFN-8 (3mm x 3mm)  

### **Descriptions:**
- The MAX8890ETCDDD is a synchronous step-down DC-DC converter optimized for portable applications.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- The device operates in pulse-width modulation (PWM) mode for high efficiency across load ranges.  
- It includes features like soft-start, overcurrent protection, and thermal shutdown for reliability.  

### **Features:**
- **High Efficiency:** Uses synchronous rectification for improved power conversion.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Small Footprint:** Compact TDFN package for space-constrained designs.  
- **Protection Features:** Overcurrent, thermal shutdown, and undervoltage lockout (UVLO).  
- **Fast Transient Response:** Maintains stable output under load variations.  

This information is based solely on the manufacturer's datasheet for the MAX8890ETCDDD.

Application Scenarios & Design Considerations

2.9 V, integrated cellular RF-section power-management IC

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