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UC19432-SP from TI,Texas Instruments

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UC19432-SP

Manufacturer: TI

Precision Analog Controller

Partnumber Manufacturer Quantity Availability
UC19432-SP,UC19432SP TI 134 In Stock

Description and Introduction

Precision Analog Controller The UC19432-SP is a radiation-hardened, synchronous buck controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 100 kHz to 1 MHz (programmable)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -55°C to +125°C  
- **Radiation Hardness:**  
  - Total Ionizing Dose (TID): 100 krad(Si)  
  - Single Event Latch-up (SEL) Immune: > 120 MeV·cm²/mg  
- **Package:** 20-pin Ceramic Flatpack  

### **Descriptions and Features:**  
- Designed for space and high-reliability applications  
- Supports synchronous rectification for improved efficiency  
- Adjustable soft-start and current limit  
- Precision reference voltage (±1%)  
- Programmable frequency synchronization  
- Fault protection features (overcurrent, undervoltage lockout)  
- Radiation-hardened for space environments  
- Compatible with external MOSFETs for flexible power stage design  

This controller is optimized for DC-DC power conversion in harsh environments.

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