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L5991AD13TR from ST,ST Microelectronics

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L5991AD13TR

Manufacturer: ST

PRIMARY CONTROLLER WITH STANDBY

Partnumber Manufacturer Quantity Availability
L5991AD13TR ST 2070 In Stock

Description and Introduction

PRIMARY CONTROLLER WITH STANDBY **Manufacturer:** STMicroelectronics  

**Part Number:** L5991AD13TR  

### **Specifications:**  
- **Type:** High-Voltage Current Mode PWM Controller  
- **Input Voltage Range:** 8.5V to 20V  
- **Output Voltage:** Adjustable  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-8 (Surface Mount)  
- **Current Sense:** Cycle-by-Cycle Current Limiting  
- **Protection Features:** Overvoltage Protection (OVP), Undervoltage Lockout (UVLO), Soft-Start  

### **Descriptions:**  
The L5991AD13TR is a high-performance PWM controller designed for offline and DC-DC converter applications. It operates in current mode control, providing precise regulation and fast response. The device includes built-in protections such as OVP and UVLO, ensuring reliable operation.  

### **Features:**  
- High-voltage startup circuit  
- Adjustable switching frequency  
- Internal soft-start function  
- Low standby current  
- Synchronization capability  
- Latch-mode or auto-recovery protection  
- Optimized for flyback and forward converters  

This information is based on STMicroelectronics' official datasheet for the L5991AD13TR.

Application Scenarios & Design Considerations

PRIMARY CONTROLLER WITH STANDBY

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