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UCC35705P from UNITRODE

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UCC35705P

Manufacturer: UNITRODE

High Speed Voltage Mode Pulse Width Modulator

Partnumber Manufacturer Quantity Availability
UCC35705P UNITRODE 400 In Stock

Description and Introduction

High Speed Voltage Mode Pulse Width Modulator **Manufacturer:** UNITRODE  

**Part Number:** UCC35705P  

**Specifications:**  
- **Type:** High-Speed PWM Controller  
- **Topology:** Supports Flyback, Forward, and Boost Converters  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 4.5V to 15V  
- **Output Drive Current:** 1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Protection Features:** Overcurrent, Undervoltage Lockout (UVLO), Soft-Start  
- **Package:** 8-Pin DIP (Dual In-Line Package)  

**Descriptions and Features:**  
- Designed for high-efficiency power supply applications.  
- Includes an integrated oscillator with programmable frequency.  
- Features a precision reference voltage for stable operation.  
- Provides adjustable soft-start to reduce inrush current.  
- Suitable for both isolated and non-isolated power converters.  
- Optimized for fast transient response in switching power supplies.  

(Note: Ensure verification with the latest datasheet as specifications may vary.)

Partnumber Manufacturer Quantity Availability
UCC35705P TI 5045 In Stock

Description and Introduction

High Speed Voltage Mode Pulse Width Modulator The UCC35705P is a synchronous buck controller manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable down to 0.9V  
- **Switching Frequency:** 300kHz (fixed)  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- Designed for high-efficiency synchronous buck DC-DC converters.  
- Supports synchronous rectification for improved efficiency.  
- Includes integrated drivers for both high-side and low-side MOSFETs.  
- Features voltage-mode control with adjustable soft-start.  

### **Features:**  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within input voltage range.  
- **Adjustable Soft-Start:** Prevents inrush current during startup.  
- **Error Amplifier:** Provides precise output voltage regulation.  
- **Current Limiting:** Protects against overcurrent conditions.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  

This information is strictly based on the manufacturer's datasheet for the UCC35705P.

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