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TPS77433DGKR from TI,Texas Instruments

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TPS77433DGKR

Manufacturer: TI

Fast Transient Response 250-mA LDO Voltage Regulator W/Power Good, MSOP-8 Packaging

Partnumber Manufacturer Quantity Availability
TPS77433DGKR TI 5350 In Stock

Description and Introduction

Fast Transient Response 250-mA LDO Voltage Regulator W/Power Good, MSOP-8 Packaging The TPS77433DGKR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Voltage:** 3.3V (Fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (Typical at 500mA)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Accuracy:** ±2% (Over Line, Load, and Temperature)  
- **Quiescent Current:** 85µA (Typical)  
- **Package:** 8-Pin VSSOP (DGK)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal Shutdown, Current Limit  

### **Descriptions:**  
The TPS77433DGKR is a high-performance LDO regulator designed for low-power applications. It provides a stable 3.3V output with excellent line and load regulation. The device is optimized for battery-powered systems, offering low dropout voltage and low quiescent current.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Thermal Shutdown & Current Limit:** Protects the device from overheating and overcurrent conditions.  
- **Fast Transient Response:** Suitable for dynamic load applications.  
- **Small Package:** 8-Pin VSSOP (DGK) for space-constrained designs.  

This LDO is commonly used in portable electronics, industrial controls, and embedded systems requiring a stable 3.3V supply.

Application Scenarios & Design Considerations

Fast Transient Response 250-mA LDO Voltage Regulator W/Power Good, MSOP-8 Packaging

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar current capability and pin-compatible function, widely available and cost-effective.
  • MIC5219-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 offering comparable dropout and load current, suitable drop-in replacement for many TPS77433 applications.
  • AP2112K-3.3TRG1 --: 3.3V fixed LDO in SOT-23-5 with low quiescent current and good availability, functionally similar to the TPS77433DGKR.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 offering comparable dropout and output current, suitable drop-in replacement from a different vendor.

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