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UC3825BN from TI,Texas Instruments

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UC3825BN

Manufacturer: TI

High Speed PWM Controller

Partnumber Manufacturer Quantity Availability
UC3825BN TI 7862 In Stock

Description and Introduction

High Speed PWM Controller The UC3825BN is a high-speed PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3825BN  
- **Type:** High-Speed PWM Controller  
- **Operating Voltage Range:** 8V to 35V  
- **Output Drive Current:** 2A (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 12MHz  
- **Propagation Delay:** 50ns  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
The UC3825BN is a high-performance pulse-width modulation (PWM) controller designed for power supply applications. It features fast response times, high-frequency operation, and precise control for switching power supplies. It includes an onboard error amplifier, oscillator, PWM comparator, and high-current totem-pole outputs for driving power MOSFETs or IGBTs.

### **Features:**
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Precision Reference:** 5.1V ±1% trimmed bandgap reference.  
- **Soft-Start Capability:** Adjustable soft-start control.  
- **Dual Under-Voltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Current Limiting:** Cycle-by-cycle current limiting for protection.  
- **Totem-Pole Outputs:** High-current (2A peak) outputs for driving power switches.  
- **Error Amplifier:** Wide bandwidth (12MHz) for fast transient response.  
- **Synchronizable Oscillator:** Allows synchronization with external clocks.  
- **Low Standby Current:** Reduces power consumption in standby mode.  

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

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