1A Low Noise High Current LED Charge Pump with Independent Torch/Flash Current Control The **LTC3216EDE#PBF** is a high-current LED driver manufactured by **Linear Technology (now part of Analog Devices)**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Linear Technology (Analog Devices)
- **Part Number:** LTC3216EDE#PBF
- **Package:** 16-Lead DFN (4mm x 5mm)
- **Input Voltage Range:** 2.9V to 5.5V
- **Output Current:** Up to **400mA per channel** (6 channels total)
- **Total LED Current:** Up to **2.4A** (sum of all channels)
- **Switching Frequency:** **1MHz** (typical)
- **Efficiency:** Up to **90%**
- **Dimming Control:** **PWM or analog**
- **Operating Temperature Range:** **-40°C to +85°C**
### **Descriptions:**
- The **LTC3216EDE#PBF** is a **high-efficiency, high-current LED driver** designed for driving multiple LEDs in portable applications.
- It integrates **six regulated current sources**, each capable of delivering up to **400mA** to individual LEDs.
- The device operates from a **single-cell Li-Ion battery** or other low-voltage sources, making it suitable for **mobile phones, cameras, and portable displays**.
- It includes **automatic soft-start** to limit inrush current and **thermal shutdown** for protection.
### **Features:**
- **Six independent 400mA LED current sources**
- **Low dropout voltage** (200mV typical at 400mA)
- **1MHz fixed-frequency operation** for reduced noise
- **Analog or PWM dimming control** for brightness adjustment
- **Integrated soft-start and thermal shutdown**
- **Small 16-lead DFN package** (4mm x 5mm)
- **High efficiency (up to 90%)**
This information is based strictly on the manufacturer's datasheet and technical documentation.
