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MAX1916EZT from MAXIM,MAXIM - Dallas Semiconductor

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MAX1916EZT

Manufacturer: MAXIM

Low-Dropout / Constant-Current Triple White LED Bias Supply

Partnumber Manufacturer Quantity Availability
MAX1916EZT MAXIM 1500 In Stock

Description and Introduction

Low-Dropout / Constant-Current Triple White LED Bias Supply The MAX1916EZT is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1916EZT  
- **Type:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to VIN)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX1916EZT is a synchronous buck converter designed for high-efficiency power conversion in portable and battery-powered applications. It integrates low RDS(ON) MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for Li-ion battery-powered systems.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **PWM/PFM Mode Operation:** Optimizes efficiency at light loads.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Small Footprint:** 8-pin TDFN package (3mm x 3mm).  
- **Adjustable Output Voltage:** Set via external resistors.  

This information is sourced from Maxim Integrated's official datasheet for the MAX1916EZT.

Application Scenarios & Design Considerations

Low-Dropout / Constant-Current Triple White LED Bias Supply

Alternative Part Number

  • LM3509SD/NOPB --: Pin-compatible white LED boost driver with similar current regulation and small package, widely available and cost effective.
  • AP5724WUG-7 --: Step-up LED driver in SOT-23 with comparable output current and dimming control, suitable drop-in for small display backlight designs.
  • CAT4139TD-GT3 --: Boost converter LED driver with similar topology and current capability, offering a different vendor source for supply chain flexibility.

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