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UC39432D from TI/UNITRODE,Texas Instruments

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UC39432D

Manufacturer: TI/UNITRODE

Precision Analog Controller

Partnumber Manufacturer Quantity Availability
UC39432D TI/UNITRODE 75 In Stock

Description and Introduction

Precision Analog Controller The UC39432D is a product from Texas Instruments (TI)/Unitrode. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)/Unitrode  
- **Category:** Integrated Circuits (ICs)  
- **Type:** PWM Controller  
- **Topology:** Flyback, Forward, Buck, Boost  
- **Output Type:** Transistor Driver  
- **Number of Outputs:** 1  
- **Voltage - Supply (Vcc/Vdd):** 4.5V to 35V  
- **Frequency - Switching:** Up to 500kHz  
- **Duty Cycle (Max):** 100%  
- **Operating Temperature:** -40°C to +85°C  
- **Package/Case:** SOIC-8  

### **Descriptions:**  
The UC39432D is a high-performance PWM controller designed for switch-mode power supply applications. It provides precise voltage regulation and supports various power supply topologies, including flyback, forward, buck, and boost configurations. The device operates over a wide input voltage range and is suitable for industrial, automotive, and consumer electronics applications.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 35V)**  
- **Adjustable Switching Frequency (Up to 500kHz)**  
- **High-Current Totem Pole Output (1.5A Peak)**  
- **Soft-Start Capability**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Error Amplifier with Reference**  
- **Current Limiting and Shutdown Protection**  
- **Low Standby Current**  
- **Available in SOIC-8 Package**  

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

Partnumber Manufacturer Quantity Availability
UC39432D TI 2940 In Stock

Description and Introduction

Precision Analog Controller - **Manufacturer**: Texas Instruments (TI)  
- **Part Number**: UC39432D  
- **Type**: Precision Voltage Reference  
- **Package**: SOIC-8  
- **Output Voltage**: 2.5V (fixed)  
- **Initial Accuracy**: ±0.4%  
- **Temperature Coefficient**: 10ppm/°C (typical)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Supply Voltage Range**: 4.5V to 18V  
- **Output Current**: Up to 10mA  
- **Features**:  
  - Low dropout voltage  
  - Low noise  
  - High stability  
  - Short-circuit protection  
  - Thermal shutdown protection  

(Note: Specifications may vary slightly based on datasheet revisions.)

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