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L6599ATD from ST,ST Microelectronics

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L6599ATD

Manufacturer: ST

IMPROVED HIGH-VOLTAGE RESONANT CONTROLLER

Partnumber Manufacturer Quantity Availability
L6599ATD ST 2500 In Stock

Description and Introduction

IMPROVED HIGH-VOLTAGE RESONANT CONTROLLER The L6599ATD is a high-voltage resonant controller manufactured by STMicroelectronics. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Package:** SO-16  
- **Input Voltage Range:** Up to 600V (high-voltage startup)  
- **Operating Frequency Range:** Adjustable up to 500kHz  
- **Gate Driver Output Current:** ±400mA (source/sink)  
- **Supply Voltage (VCC):** 8.75V to 16V  
- **Standby Power Consumption:** < 1W  
- **Protection Features:** Overcurrent protection (OCP), overload protection (OLP), brownout protection, and latch-off on fault  

### **Description:**  
The L6599ATD is a double-ended resonant controller designed for LLC resonant half-bridge topologies. It integrates high-voltage startup circuitry, reducing external component count. It is commonly used in power supplies for LCD TVs, LED lighting, and industrial applications.  

### **Features:**  
- **High-Voltage Startup:** Eliminates the need for an external startup circuit.  
- **Adaptive Dead-Time Control:** Ensures zero-voltage switching (ZVS) for improved efficiency.  
- **Programmable Operating Frequency:** Adjustable via external components.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Burst Mode Operation:** Enhances light-load efficiency.  
- **Integrated Protections:** Includes overcurrent, overload, and brownout protection.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  

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

Application Scenarios & Design Considerations

IMPROVED HIGH-VOLTAGE RESONANT CONTROLLER

Alternative Part Number

  • NCP1399ADR2G --: Resonant half-bridge LLC controller with integrated high-voltage driver, functionally comparable to the L6599A and a common drop-in choice for LLC converter designs.
  • ICE2HS01G --: LLC resonant half-bridge controller with high-side/low-side gate drivers, similar control scheme and pin function suitable as a design alternative.
  • UCC256303DDBR --: Wide-input LLC resonant controller with integrated drivers, offering comparable resonant converter control and a different series naming for easy distinction.

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