| Allicdata Part #: | TPS77533PWPRG4-ND |
| Manufacturer Part#: |
TPS77533PWPRG4 |
| Price: | $ 0.92 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC REG LIN 3.3V 500MA 20HTSSOP |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  TPS77533PWPRG4 Datasheet/PDF |
| Quantity: | 1000 |
| 2000 +: | $ 0.83790 |
Specifications
| Current - Output: | 500mA |
| Base Part Number: | TPS77533 |
| Supplier Device Package: | 20-HTSSOP |
| Package / Case: | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C |
| Protection Features: | Over Current, Over Temperature, Reverse Polarity |
| Control Features: | Enable, Reset |
| PSRR: | 60dB (100Hz) |
| Current - Quiescent (Iq): | 125µA |
| Series: | -- |
| Voltage Dropout (Max): | 0.29V @ 500mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 3.3V |
| Voltage - Input (Max): | 10V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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TPS77533PWPRG4 is a low-dropout linear regulator designed for applications requiring low output voltage and low operating current, such as ultra-low-power and battery-powered systems. It is intended to operate as a low-noise regulator with excellent transient characteristics, making it well suited to power sensitive applications. It is available in a space-saving 3×3-mm VQFN package with a wide range of output voltage options that can be programmed using external resistors.
Features of TPS77533PWPRG4
TPS77533PWPRG4 offers the following features:- Ultra-Low-Dropout Voltage: 250mV (at 250mA)
- Low Operating Current: 9.5 µA
- Wide Output Voltage Range: 0.6 to 6.5V (up to 10V)
- Programmable Output Voltage
- Reverse Voltage Protection
- On-Off Switch
- Thermal Shutdown Protection
- Small 3 × 3-mm VQFN Package
Applications of TPS77533PWPRG4
The small size and very low operating current of TPS77533PWPRG4 makes it ideal for power sensitive applications, such as ultra-low-power systems, handheld devices, and battery-powered systems. Its reverse voltage protection and thermal shutdown protection make it suitable for automotive applications, such as LED lighting systems.
Working Principle of TPS77533PWPRG4
The TPS77533PWPRG4 is an ultra-low dropout linear regulator, which means it operates by controlling the current flow from an input voltage source to the output voltage source. The difference between the two, known as the dropout voltage, is very small, and it is this low-dropout feature that makes it ideal for low-power and ultra-low-power applications.The TPS77533PWPRG4 works by comparing the output voltage to an internal reference voltage. When the output voltage starts to deviate from the reference, the error amplifier adjusts the gate voltage of the control switch, thereby controlling the input-output voltage difference. The circuit is designed with hysteresis and current limit features to ensure stability and safety.
Conclusion
TPS77533PWPRG4 is a low-dropout linear regulator designed for low output voltage and low operating current applications. Its ultra-low dropout feature makes it ideal for ultra-low-power systems and battery-powered systems. It is available in a small 3×3-mm VQFN package and offers a wide output voltage range of 0.6 to 6.5V. It offers features such as reverse voltage protection and thermal shutdown protection, making it suitable for automotive applications, such as LED lighting systems. Its working principle is based on a comparison of the output voltage with an internal reference voltage, with the error amplifier and control switch controlling the input-output voltage difference.
The specific data is subject to PDF, and the above content is for reference
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