TPS799315YZUT

Current - Output:	200mA
Base Part Number:	TPS799315
Supplier Device Package:	5-DSBGA (1x1.37)
Package / Case:	5-UFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	70dB ~ 38dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	60µA
Series:	--
Voltage Dropout (Max):	0.18V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.15V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS799315YZUT Application Field and Working Principle

Introduction

The TPS799315YZUT is a high performance linear voltage regulator from Texas Instruments\' Power Management Integrated Circuits (PMICs). The device helps to provide a regulated output voltage from an input voltage source that is up to 13.4V. It is integrated with several features and functions including a low quiescent current, fast transient response, low dropout voltage, and flexibility in output range of either 1.2V or 2.5V. This device is suited for many different applications such as offline using a large input voltage and/or low line conditions.

Features and Benefits

The TPS799315YZUT from Texas Instruments has various features that provide several distinct benefits in terms of A-grade quality, including a wide input voltage range, low quiescent current, fast transient response, and flexibility. The wide input voltage range of the device provides a high-grade performance quality, as it accepts up to 13.4V with a power-on reset voltage of 4.0V. Additionally, the low quiescent current (1µA) is optimal for battery-powered applications and provides low power consumption. Furthermore, the fast transient response is achieved through the combination of an on-chip compensation network and an input filter network which results in regulated output voltage regardless of changes in load or input conditions without sacrificing stability. This enables users to be flexible in terms of applications in which the device can be used.

Applications

The TPS799315YZUT is suitable for many varied applications including power amplifiers, interface circuit for motherboard, reference circuits for controllers, analog sections for motor control, automotive electronics, peripheral circuits for processors, and power supply for various sensors. In particular, it is highly suitable for supplying power for the latest laptops and tablets that use over 20V input voltage and often require a high quality regulated output voltage for their peripheral circuits.

Working Principle

The TPS799315YZUT from Texas Instruments is a linear voltage regulator. This type of regulator differs from a switching regulator in that the output voltage of a linear voltage regulator is directly proportional to its input voltage. The regulator regulates by sensing the input voltage and varying the output current. This is known as the voltage dropout voltage or VDO.The TPS799315YZUT operates in two modes: a series mode and a shunt mode. In the series mode, the input voltage is higher than the output voltage, and the device acts as a series pass element. In the shunt mode, the input voltage is lower than the output voltage and the device acts as a shunt pass element. The series pass element is designed to reduce the current flow between the input and the output, hence the name series pass element. This helps maintain the output voltage steady, despite variations in input voltage. On the other hand, the shunt pass element reduces the voltage between the input and the output, which helps limit the maximum output voltage and avoids potentially damaging high voltage conditions.Overall, the TPS799315YZUT is an efficient, cost-effective, and reliable solution for applications requiring a regulated output voltage from an input voltage source up to 13.4V. This device provides user flexibility in terms of output range, applications, and a fast transient response. Additionally, its wide input voltage range, low quiescent current, and shunt/series modes make it a suitable choice for those needing high efficiency and low power consumption.

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