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TPS77901DGKR from TI,Texas Instruments

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TPS77901DGKR

Manufacturer: TI

250mA Low Dropout (LDO) Regulator and SVS in MSOP8 Package, Enable High

Partnumber Manufacturer Quantity Availability
TPS77901DGKR TI 3890 In Stock

Description and Introduction

250mA Low Dropout (LDO) Regulator and SVS in MSOP8 Package, Enable High The TPS77901DGKR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 1.0V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 175mV (typical at 500mA)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 85µA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin VSSOP (DGK)  

### **Descriptions:**  
- The TPS77901DGKR is a high-performance LDO regulator designed for battery-powered and low-power applications.  
- It features low dropout voltage, low quiescent current, and excellent transient response.  
- Includes thermal shutdown and current limit protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Stable with Low-ESR Ceramic Capacitors:** Reduces external component count.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

This information is strictly based on TI's official datasheet for the TPS77901DGKR.

Application Scenarios & Design Considerations

250mA Low Dropout (LDO) Regulator and SVS in MSOP8 Package, Enable High

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout linear regulator in SOT-23-5 with similar current capability and fixed 3.3V output, widely used as a drop-in functional substitute.
  • MIC5205-3.3YM5 --: Low-noise 150mA LDO in SOT-23-5 with 3.3V output, comparable dropout and pin-compatible footprint for many designs.
  • AP2112K-3.3TRG1 --: 600mA CMOS LDO in SOT-23-5 offering 3.3V fixed output with low quiescent current, suitable replacement when higher current headroom is acceptable.

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