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UCC2809DTR-2 from TI,Texas Instruments

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UCC2809DTR-2

Manufacturer: TI

1

Partnumber Manufacturer Quantity Availability
UCC2809DTR-2,UCC2809DTR2 TI 407 In Stock

Description and Introduction

1 The UCC2809DTR-2 is a PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Category:** PMIC - AC-DC Converters, Offline Switchers
- **Type:** PWM Controller
- **Topology:** Flyback, Forward
- **Output Type:** Transistor Driver
- **Number of Outputs:** 1
- **Output Configuration:** Push-Pull
- **Voltage - Supply (Vcc/Vdd):** 10V ~ 22V
- **Duty Cycle (Max):** 50%
- **Frequency - Switching:** 500kHz
- **Operating Temperature:** -40°C ~ 85°C (TA)
- **Mounting Type:** Surface Mount
- **Package / Case:** SOIC-8
- **Packaging:** Tape & Reel (TR)

### **Descriptions:**
- The UCC2809DTR-2 is a high-performance current-mode PWM controller designed for offline and DC-DC power supplies.
- It features a fixed-frequency pulse-width modulation (PWM) control scheme with current-mode operation for improved transient response and simplified loop compensation.
- Suitable for flyback and forward converter topologies.

### **Features:**
- **Current-Mode Control:** Enhances loop response and simplifies compensation.
- **500kHz Switching Frequency:** Supports high-frequency operation.
- **50% Maximum Duty Cycle:** Ensures balanced operation in push-pull configurations.
- **Under-Voltage Lockout (UVLO):** Ensures proper startup and shutdown behavior.
- **Soft-Start Capability:** Reduces inrush current during startup.
- **Low Startup Current:** Minimizes power consumption during initial operation.
- **Push-Pull Output Driver:** Directly drives power MOSFETs or bipolar transistors.

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

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