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L6599N from ST,ST Microelectronics

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L6599N

Manufacturer: ST, ST,ST, STM

High-voltage resonant controller
Partnumber Manufacturer Quantity Availability
L6599N ST, ST,ST, STM 46697 In Stock

Description and Introduction

High-voltage resonant controller The L6599N is a high-voltage resonant controller manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (STM)  
- **Type:** High-voltage resonant controller  
- **Package:** PDIP-16 (Plastic Dual In-line Package)  
- **Input Voltage Range (VCC):** 8.6V to 16V (operating), 20V (absolute max)  
- **Frequency Range:** Adjustable, typically up to several hundred kHz  
- **Gate Driver Output Current:** ±400mA (source/sink)  
- **Operating Temperature Range:** -40°C to +150°C  
- **High-Voltage Startup Circuit:** Integrated 600V startup cell  

### **Descriptions:**  
The L6599N is designed for resonant half-bridge topologies, commonly used in power supply applications such as AC-DC adapters, LED drivers, and LCD TV power supplies. It integrates a high-voltage startup circuit, reducing external component count. The device supports frequency modulation for soft switching, improving efficiency and reducing EMI.

### **Features:**  
- **Resonant Half-Bridge Control:** Optimized for ZVS (Zero Voltage Switching) operation.  
- **Adjustable Dead-Time:** Ensures safe switching transitions.  
- **Frequency Modulation:** Enables soft switching and efficiency optimization.  
- **Integrated Bootstrap Diode:** Simplifies high-side gate drive circuitry.  
- **Protections:**  
  - Overcurrent protection (OCP)  
  - Undervoltage lockout (UVLO)  
  - Overvoltage protection (OVP) via external sensing  
  - Latch-mode or auto-recovery fault handling  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  

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

Application Scenarios & Design Considerations

High-voltage resonant controller

Alternative Part Number

  • NCP1399AN --: Resonant LLC controller with integrated high-voltage driver, functionally comparable to the L6599 resonant controller and widely used as a direct design alternative.
  • ICE2HS01G --: Half-bridge resonant LLC controller with similar control scheme and gate drive capability, suitable as a drop-in functional replacement in resonant converter designs.
  • UCC25630 --: LLC resonant half-bridge controller offering comparable functionality and protection features, usable as an alternative with minor circuit adjustments.
  • NCP1399 --: Resonant LLC controller with integrated high-voltage driver, functionally equivalent to the L6599 resonant half-bridge controller and widely used as a direct design alternative.
  • NCP1399AP --: Current-mode resonant half-bridge controller with integrated high-voltage driver, functionally comparable to the L6599 resonant controller and widely used in LLC converter designs.
  • UCC256303 --: LLC resonant half-bridge controller with integrated drivers and robust protection features, suitable as a modern alternative for resonant power supply applications.

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