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ISL97656IRTZ from INTERSIL

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ISL97656IRTZ

Manufacturer: INTERSIL

Integrated 4A Switch PWM Step-Up Regulator

Partnumber Manufacturer Quantity Availability
ISL97656IRTZ INTERSIL 551 In Stock

Description and Introduction

Integrated 4A Switch PWM Step-Up Regulator The ISL97656IRTZ is a high-performance LED driver manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** INTERSIL (now Renesas Electronics)  
- **Part Number:** ISL97656IRTZ  
- **Type:** LED Driver  
- **Topology:** Boost, Buck-Boost, or SEPIC (configurable)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Up to 34V (adjustable)  
- **Number of Channels:** 1  
- **Maximum Output Current:** Up to 30mA per string (adjustable)  
- **Switching Frequency:** 1MHz (typical)  
- **Dimming Control:** Analog/PWM dimming support  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead DFN (3x3mm)  

### **Descriptions:**  
The ISL97656IRTZ is a compact, high-efficiency LED driver designed for driving multiple LED strings in applications such as LCD backlighting, portable devices, and automotive displays. It supports multiple topologies (boost, buck-boost, or SEPIC) and provides precise current regulation with analog or PWM dimming control.  

### **Features:**  
- **Wide Input Voltage Range (2.7V–5.5V)** – Suitable for battery-powered applications.  
- **High Output Voltage (Up to 34V)** – Supports multiple LED strings in series.  
- **Adjustable Current (Up to 30mA per String)** – Allows precise brightness control.  
- **1MHz Switching Frequency** – Reduces external component size.  
- **Analog & PWM Dimming Support** – Enables flexible brightness adjustment.  
- **Over-Voltage Protection (OVP)** – Safeguards the circuit.  
- **Thermal Shutdown Protection** – Prevents overheating.  
- **Small DFN Package (3x3mm)** – Space-saving for compact designs.  

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

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