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TPS77433DGK from TI,Texas Instruments

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TPS77433DGK

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS77433DGK TI 373 In Stock

Description and Introduction

Fast Transient Response 250-mA LDO Voltage Regulator W/Power Good, MSOP-8 Packaging The TPS77433DGK is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (typical at 500mA)  
- **Input Voltage Range:** 2.7V to 10V  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 85µA (typical)  
- **Package:** 8-Pin VSSOP (DGK)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
- The TPS77433DGK is a fixed-output LDO regulator designed for applications requiring stable, low-noise power supply.  
- It includes an enable (EN) pin for power management and a power-good (PG) output for monitoring.  
- Suitable for battery-powered devices, portable electronics, and industrial applications.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation with minimal input-output differential.  
- **Thermal and Overcurrent Protection:** Safeguards against overheating and short circuits.  
- **Power-Good (PG) Output:** Provides a status signal indicating when the output is in regulation.  
- **Low Quiescent Current:** Enhances battery life in portable applications.  
- **Stable with Ceramic Capacitors:** Reduces cost and board space.  
- **Fast Transient Response:** Improves performance in dynamic load conditions.  

For detailed datasheet information, refer to the official TI documentation.

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.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 offering comparable dropout and output 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 load regulation, a common alternative when the TI part is unavailable.

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