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MAX16821BATI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX16821BATI+

Manufacturer: MAXIM

High-Power Synchronous HB LED Drivers with Rapid Current Pulsing

Partnumber Manufacturer Quantity Availability
MAX16821BATI+,MAX16821BATI MAXIM 100 In Stock

Description and Introduction

High-Power Synchronous HB LED Drivers with Rapid Current Pulsing The **MAX16821BATI+** is a high-brightness LED (HB LED) driver from **MAXIM Integrated**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Current:** Up to 1A (adjustable)  
- **Switching Frequency:** Adjustable up to 2MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-TDFN (3x3mm)  

### **Descriptions:**
- The MAX16821BATI+ is a **step-down (buck) LED driver** designed for driving high-brightness LEDs in automotive, industrial, and general lighting applications.  
- It features **PWM dimming control** for brightness adjustment and includes **thermal shutdown** and **overcurrent protection** for reliability.  
- The device operates in **constant-current mode**, ensuring stable LED brightness.  

### **Features:**
- **Wide Input Voltage Range (4.5V–28V)** – Suitable for automotive and industrial applications.  
- **High-Efficiency Buck Converter** – Up to 95% efficiency.  
- **Adjustable Switching Frequency (up to 2MHz)** – Allows optimization for size and performance.  
- **PWM Dimming Control** – Supports external PWM signals for brightness adjustment.  
- **Thermal Shutdown & Overcurrent Protection** – Enhances system reliability.  
- **Small Footprint (10-TDFN Package)** – Ideal for space-constrained designs.  

This LED driver is optimized for **automotive lighting, architectural lighting, and industrial LED applications**.

Application Scenarios & Design Considerations

High-Power Synchronous HB LED Drivers with Rapid Current Pulsing

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