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TPS73115DBVT from TI,Texas Instruments

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TPS73115DBVT

Manufacturer: TI, TI德州

150mA NMOS Low Dropout Regulator w/Reverse Current Protection

Partnumber Manufacturer Quantity Availability
TPS73115DBVT TI, TI德州 37731 In Stock

Description and Introduction

150mA NMOS Low Dropout Regulator w/Reverse Current Protection The TPS73115DBVT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 110mV (typical) at 100mA load  
- **Input Voltage Range:** 1.7V to 5.5V  
- **Quiescent Current:** 17µA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 65dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (DBV)  

### **Descriptions:**
- The TPS73115DBVT is a low-noise, low-dropout linear regulator designed for battery-powered applications.  
- It provides a stable 1.5V output with high accuracy (±2% over line, load, and temperature variations).  
- It includes features like reverse current protection, thermal shutdown, and active discharge for output capacitor discharge.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Thermal Shutdown & Overcurrent Protection:** Protects the device from damage.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors as low as 1µF.  
- **Enable Pin (EN):** Allows for power-saving shutdown mode when not in use.  

This regulator is commonly used in portable electronics, IoT devices, and power-sensitive applications.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

150mA NMOS Low Dropout Regulator w/Reverse Current Protection

Alternative Part Number

  • LP5907MFX-1.5/NOPB --: Low-noise 1.5V LDO in SOT-23-5 with similar dropout and current capability, pin-compatible enough for many designs and from the same vendor.
  • MIC5219-1.5YM5-TR --: 1.5V fixed LDO in SOT-23-5 with comparable output current and low dropout, a common cross-vendor substitute.
  • AP2112K-1.5TRG1 --: 1.5V fixed LDO in SOT-23-5 offering similar current rating and low quiescent current, suitable as a cost-effective alternative.

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