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TPS79933YZUT from TI,Texas Instruments

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TPS79933YZUT

Manufacturer: TI, TI/BB

200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator 5-DSBGA -40 to 125

Partnumber Manufacturer Quantity Availability
TPS79933YZUT TI, TI/BB 972 In Stock

Description and Introduction

200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator 5-DSBGA -40 to 125 The TPS79933YZUT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI) or Burr-Brown (BB). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Dropout Voltage:** 110mV (typical) at 150mA load  
- **Maximum Output Current:** 150mA  
- **Accuracy:** ±2% over line, load, and temperature  
- **Quiescent Current:** 17µA (typical)  
- **Package:** 5-pin SOT-23 (YZUT)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
- The TPS79933YZUT is a low-noise, low-dropout linear regulator designed for battery-powered applications.  
- It provides a stable 3.3V output with high PSRR (Power Supply Rejection Ratio) and low quiescent current.  
- It includes features like thermal shutdown and current limiting for protection.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation with small input-output differentials.  
- **Low Noise:** Suitable for noise-sensitive applications.  
- **High PSRR:** 75dB at 1kHz (typical) for improved noise rejection.  
- **Thermal Shutdown & Current Limit Protection:** Enhances device reliability.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors as low as 1µF.  
- **Enable Pin:** Allows for power management control.  

This information is based on the manufacturer's datasheet for the TPS79933YZUT.

Application Scenarios & Design Considerations

200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator 5-DSBGA -40 to 125

Alternative Part Number

  • LP5907MFX-3.3/NOPB --: Low-noise 250 mA LDO in SOT-23-5 with fixed 3.3 V output, similar dropout and PSRR performance, easy drop-in for many TPS79933 designs.
  • MIC5504-3.3YM5-TR --: 300 mA fixed 3.3 V LDO in SOT-23-5 with low quiescent current and stable ceramic-cap operation, a good cross-vendor substitute.
  • AP2112K-3.3TRG1 --: 600 mA fixed 3.3 V LDO in SOT-23-5, widely available and cost-effective, suitable when slightly higher current capability is acceptable.
  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar 150mA output and low noise, widely available and pin-compatible in function.
  • MIC5205-3.3YM5 --: 150mA low-dropout 3.3V regulator in SOT-23-5 with low quiescent current, a common drop-in functional replacement for small package LDOs.

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